ExtReme '69 GTO by Speedtech

[Ben@SpeedTech]

Hey everyone- You've heard of our new ExtReme C10 full frames as seen in our '67 C10 shop truck. Without major tuning it handled so well it took 1st place trophies it's first time on the track. Click here to see it... (http://www.speedtechperformance.com/index.cfm/page/ptype=product/product_id=422/category_id=7/mode=prod/prd422.htm)

Then came our ExtReme subframes for Camaros and Novas which have been flying out of the warehouse and will soon be popping up at events. Click here to check them out! (http://www.speedtechperformance.com/index.cfm/page/ptype=results/category_id=177/mode=cat/cat177.htm)

Now that same awesome totally new suspension is underway for '64-72 A body cars!

Our first test car for the '68-72 A bodies is this beautiful '69 GTO project brought up by Tony from Las Vegas. Starting with a shell in great shape, we'll be dropping the GM chassis out and replacing it with our new ExtReme full chassis, including the same geometry/ front suspension as the C10 and the subframes, and out back will be our famous Torque Arm!

Some may ask why not leave well enough alone. Well, we're not after "well enough" in our suspension design, we want to see our customers win races rather than just participate. We all know that the triangulated 4 link with a few tweaks does ok in handling, but it still has issues with bind and potential for wheel hop. The Torque Arm on the other hand allows for less bind in a greater amount of articulation, and won't disrupt handling by maxing out. It also allows adjustable ride height, roll center, pinion angle, instant center, and wheelbase.

Here's my Photoshop rendering to get the ball rolling...

https://static1.pt-content.com/images/pt/2016/02/Comparison20dk20wheels_zpssyrw2owf-1.jpg

[Ben@SpeedTech]

Some more before shots....

https://static1.pt-content.com/images/pt/2016/02/6920GTO20Silver20001_zpsyhe89dlp-1.jpg

https://static1.pt-content.com/images/pt/2016/02/6920GTO20Silver20004_zpsht9cg3tz-1.jpg

https://static1.pt-content.com/images/pt/2016/02/6920GTO20Silver20003_zpsa8rbyqq3-1.jpg

Not only will this GTO have a killer suspension, the drivetrain is in normal Speedtech fashion, plenty of power. Tony brought up this stroked LS2 packing boost by way of a Whipple supercharger going through Trick Flow heads. Woohoo, GT-go!

https://static1.pt-content.com/images/pt/2016/02/6920GTO20Silver20006_zps56rh4ixs-1.jpg

[Ben@SpeedTech]

And the tear down begins. Stay tuned for more...

https://static1.pt-content.com/images/pt/2016/02/6920GTO20Silver20005_zpszygyb132-1.jpg

[slimjim]

This is going to be awesome!

[Ben@SpeedTech]

Thanks Jim!

[Ron Sutton]

Being an old Pontiac guy, I love the '68-'70 GTOs. Sweet!


:cool:


.

[andrewb70]

Looking forward to this.

What size tire do you think you can get on an A-body with your frame?

Also, what sort of anti-squat properties does the rear suspension have? I realize that optimized handling is the point, but I do like going drag racing on occasion.

Andrew

[Ron Sutton]

Looking forward to this.

What size tire do you think you can get on an A-body with your frame?

Also, what sort of anti-squat properties does the rear suspension have? I realize that optimized handling is the point, but I do like going drag racing on occasion.

Andrew

Hi Andrew,

The chassis, suspension & frame are all designed to be optimum with a 315/30/18 front tire. While you can run larger in the rear, for handling purposes, I suggest the same 315/30/18 in the rear too. The eXtreme full chassis for the A-Body has all the same benefits as the F-Body clip we've been discussing. The dimensions are slightly different to achieve that optimization for the A-Body, so the result is the same.

As far as the Speedtech Torque Arm set-up in the full chassis, it will have 60% anti-squat.

:cheers:

[Crashflow]

Beautiful Gto. Can't wait to watch this unfold.

[Nicks67GTO]

Sweet. I'll be checking in. 69 gto's are a favorite of mine.

[csouth]

That will be hot! Looking forward to seeing this done...

[andrewb70]

Hi Andrew,

The chassis, suspension & frame are all designed to be optimum with a 315/30/18 front tire. While you can run larger in the rear, for handling purposes, I suggest the same 315/30/18 in the rear too. The eXtreme full chassis for the A-Body has all the same benefits as the F-Body clip we've been discussing. The dimensions are slightly different to achieve that optimization for the A-Body, so the result is the same.

As far as the Speedtech Torque Arm set-up in the full chassis, it will have 60% anti-squat.

:cheers:




Thanks for the info Ron. I like the idea of running a square set-up for tires, maybe 305/30-19s all the way around like the new Z28...

Andrew

[Godbolt]

Great stuff.

By the way, where did you get those valve covers?

[Ben@SpeedTech]

Thanks for the compliments everyone. We wish we could claim responsibility for the car itself, it really is pretty. At least we can be proud of the beauty of what will be underneath.

The valve covers came with the engine so we don't have any info on them at this point.

So far the plan is this car will have 19s in the front but the customer hasn't decided whether to do 19s or 20s out back. We'll keep everyone posted as things unfold.

Thanks for chiming in Ron!

[Later-A-body]

He should skip the 20's in back.

[Ben@SpeedTech]

I'm a more practical kind of guy, meaning cars were created to be beat on on a track, so I'm not into bling bling and big wheels, fat 18s and sticky tires suit me fine. But with the right stance I think this body style can get away with 20's out back and look good. If it's close to the rendering we nailed it and it'll be pretty wicked.

Another GTO on 20s...
https://s-media-cache-ak0.pinimg.com/736x/cf/bd/48/cfbd480deb03cae0d8945b563d37149b.jpg

[69Goat]

69 GTO's have always been my favorite. Car looks awesome. Can't wait to see finished product.

[andrewb70]

Any updates on this?

Andrew

[Ben@SpeedTech]

Thanks for asking. We had the prototype frame in the car but felt we needed to make some minor final rear frame rail fitment adjustments to make it perfect. At this point are waiting for the updated plates from the laser cutter so we can assemble it again and anticipate this will be our last revision before production. We're estimating about 2 weeks to have it on the ground again. Once we know it fits the way we want I'll start posting pics, so thanks again for the interest and hang tight, more coming soon.

[Ben@SpeedTech]

Out with the old. You can see what a factory frame minus springs looks like. That's not far off from the ride height potential the ExtReme frame has.

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20007_zpsxdiq5s84-1.jpg

To prepare to swallow 345s out back a mintub was in order. Also note the contoured rear sheet metal removed and the insert that we provide to better conform to the shape of the new frame rails and suspension.

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver200087_zpssqsjyjsd-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20009_zpswvgqm1q5-1.jpg

- - - Updated - - -

First mock ups of prototype frame...

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20012_zpsebiik2ye-1.jpg


https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20011_zps1q4uadjg-1.jpg


https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20010_zpso34kjgz7-1.jpg

- - - Updated - - -

Because this chassis has such a low ride height we have created and added to our production lineup a high clearance complete trans tunnel insert. It comes in three main pieces that are easily fitted and welded into the floor.

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20014_zpsgwp1xfdl-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20015_zps6r1fmjod-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20016_zpslxeg85iy-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20017_zpsgob7tnhz-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20019_zpsjmdcs44d-1.jpg

[Ben@SpeedTech]

Some pics of the bare "after the prototype's revisions" production frame. This car got our gunmetal grey metallic powder coating. Lookin good!

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20020_zpsclctiucu-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20021_zpsljlqqigf-1.jpg

https://static1.pt-content.com/images/pt/2016/08/6920GTO20Silver20022_zpsafjqwnuv-1.jpg

More coming soon...

[andrewb70]

Will raising the tunnel in the rear neccesitate modifications to a stock seat bottom?

Andrew

[Ben@SpeedTech]

The stock floor is fairly low back there, so at this point our measurements say yes. You should be able to modify the center inner seat support to clear the tunnel and maintain the factory bench rear seat. We're not quite to that point in the build yet but so far that's what we're seeing. Note that our chassis is designed to maximize suspension travel range even at this low ride height. This necessitates the taller tunnel to clear the driveline at full suspension compression. The front will need to be converted to bucket seats if it has not been already, but we suspect a front bench seat pro touring car will be somewhat rare anyway.

[jlcustomz]

Should be pretty cool. To me those old Pontiac a body wheel wells were always just begging for wider wheels to fill them.

[Ron Sutton]

I got to fly up & see it in person. The frame design, which is primarily Blake's doing, is spot on. Clean, strong, no wasting weight. Very nicely designed & built.

:cheers:

[1965_SS]

Very nice!
Can't wait to see a setup for a 65' Chevelle.

[Ben@SpeedTech]

Agreed JL.

Thanks Ron. Always a pleasure to have you stop by and hear your input.

Todd- it's coming, just hang tight. We already have a project Chevelle out back waiting for shop time, but the Tri-5 crowd is really rattling our chains so we currently brought a 57 in the shop and are working on the prototype for those. The early Chevelles are up next!

[Critchie]

So when are these chassis's going to be on the market?

[Ben@SpeedTech]

Critchie- The frames are in full production and available now. Check them out by clicking Here (http://www.speedtechperformance.com/index.cfm/page/ptype=results/category_id=17/mode=cat/cat17.htm) or give us a call at 435-628-4300 and a sales rep can answer any questions and help you place an order.

[Ron Sutton]

:flag2:

Video for RSRT Designed Speedtech eXtreme Subframes & Chassis



https://www.youtube.com/watch?v=h2S3szGr8UI&feature=youtu.be


To watch this In-Depth Video on YouTube ... Click HERE (https://youtu.be/h2S3szGr8UI).

-------------------------------------------------------------------------------------

New Speedtech ExtReme Full Frame & Suspension Package

New Cutting Edge Design Includes:

Ron Sutton Race Technology geometry built-in.
Strong Box type laser cut and jig welded construction - reduced weight over factory subframe.
Special subframe width & shape allowing 315 front tires.
Ron Sutton designed Next-Gen ATS 7075 Forged Aluminum Spindles.
Ron Sutton designed High-Ackerman steering arms for ATS spindles.
C7 heavy duty bearings & hubs.
Speedtech high clearance upper & lower tubular control arms
Upper control arms feature additional caster adjustability.
Control arms powder coated gloss black and fully assembled with Delrin bushings.
3-piece Speedway Engineering sway bar – Choice of rates from 400# to 2000# - Not kidding
Sweet racing DUAL POWER rack & pinion steering. Ultra heavy duty !!!
New 9" Ford Rear End Housing w/flange axles, bearings & seals
Speedtech Torque Arm Rear Suspension for the optimum rear grip WITH a back seat
New wide range, low roll center double adjustable panhard bar setup
Coil over shocks & springs all around (Viking twin tube shocks std - Ridetech & JRI Monotube shocks Optional)
Motor stands accept small block engines with OEM style mounts.
Accepts LSX engines with Speedtech fabricated oil pan and motor mounts.
Adjustable engine frame stands allows 3/4" fore & aft range.
Fully adjustable rear cross member fits all GM transmissions as well as T-56 and TKO.
Factory alignment holes offer ease of aligning frame to body and bumpers.
Mounting hardware, instructions, and custom alignment specs.
Comes bare. Powder coat options available.
Built-in tow/tie down hooks eliminate strapping around painted frames.
Ridetech single adjustable coil-over shocks, including delrin thrust washers & adjusting wrench.
Hypercoil coil-over springs – Wide choice of rates.


Base Price is ONLY $14,499 + $300 crating fee

Base Package from Speedtech includes Viking shocks & springs.
Base package from RSRT automatically includes the $400 upgrade option to superior Ridetech shocks & Hypercoil springs for $14,899.
Ron's Digressive, High Grip, Secret Sauce Valving is available at an additional cost of $400.


Available NOW for:
67-72 Chevy & GMC C10 Pickups
68-72 Malibu & Chevelle
68-72 Olds Cutlass & 442
68-72 Buick Skylark & Grand Sport
68-72 Pontiac Tempest, LeMans & GTO

Taking Pre-Orders NOWfor:
55-56-57 Chevy 150, 210 & Bel Air


OPTIONS:
• Powder Coat Subframe – Flat Black
• Powder Coat Subframe – Semi-Gloss Black
• Powder Coat Subframe – Gloss Black
• Powder Coat Subframe – Gun Metal Grey
• Powder Coat Subframe – Silver
• Billet Aluminum Body Mount Set
• Engine Bay Round Tube Chassis Down Bar Supports
• Double Joint Steering Shaft Kit
• LSx Engine Adapter Plates
• Speedtech 1 7/8" LSx Headers, Mill Finish
• Speedtech LSx 1 7/8" Headers, Show Polished Finish
• Ron Sutton Tailored Suspension Tech Service #40STP
• Ron Sutton Tailored Brake Tech Service #29
• Ron Sutton Secret Sauce Digressive Track-Star Valving added to Ridetech Single Adj Shocks
• Ridetech Secret Sauce Triple Adj Shocks w/Digressive Track-Star Valving
• JRI Shocks w/Digressive Track-Star Secret Sauce Valving in double or triple adjustable

Special Offer!
Purchase the Secret Sauce Track-Star shock valving upgrade for $400 & receive Ron's $200 Tech Service #40STP at No Charge

So You Get ...
* The highest performing suspension & steering in a well designed, strong full frame package.
* State of the Art Ridetech shocks with my special Track-Star valving
* A Custom Balanced Suspension Package Tailored to Your car & goals by Ron Sutton


For more information ... OR To Place Your Order ... Contact Ron Sutton Race Technology:
Phone: (916) 834-8051
Email: [email protected]
Address: 11374 Amalgam Way, Suite K, Gold River, CA 95670
Website: www.RonSuttonRaceTechnology.com (http://www.RonSuttonRaceTechnology.com)

.

[1965_SS]

Went and saw this frame last week! Very nice! Blake, thanks for the shop tour and everything. Can't wait to see a 65' frame next year.

[GEARBOXGARAGE]

The progress looks great! I've been doing some research for my '69 Chevelle and highly considering one of your frames, so i would love to see the results of this GTO in its final stance when you are complete on the frame swap. The cost of keeping the stock frame and adding the bolt-on parts with frame mods isn't much cheaper than this complete frame, so it is very enticing...

[Ben@SpeedTech]

More updates! With the frame powder coated and ready to install our attention got us back to the body, by cleaning up and smoothing the firewall and prepping everything for paint and box liner.

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20042a_zpsoermwhlw-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20042_zps989wbffk-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20043_zpstsfyri4q-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20043a_zpsp3rmwdqv-1.jpg

[Ben@SpeedTech]

We like to use black epoxy primer to seal everything first, including the interior areas. Then in the exposed areas and the trunk we use spray on box liner as a second application. It's super durable, has a nice color and sheen to it, and along with the texture gives a nice contrast to the shiny frame and suspension parts. We're like form and function here.

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20044_zps2xhrncby-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20045_zpsbg9kyflt-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20049_zpsostkunbv-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20051_zpseq1wgzqf-1.jpg

https://static1.pt-content.com/images/pt/2017/01/Sisson20Camaro20046_zpskmeqhsr3-1.jpg

[Ben@SpeedTech]

While the paint and body crew were working on their handiwork the mechanical crew mocked up the engine and fitted our 1st set of production A body headers. For each of our applications we initially design and build the headers in house, considering both component and ground clearance specifically at a low ride height, and then send out that design for production models. In this case Ultimate Headers is building our ExtReme headers exclusively for us using their high quality materials and production processes. The end result is a super nice header that fits perfectly in our applications.

The engine here is LS3 based however everything internally has been upgraded. This motor was previously run by the owner in a late model Camaro which dipped into the 10's in the 1/4. Pulled out and freshened up for the GTO, the lighter weight A body should see a further drop in track times. He also shared with us it made a great around town cruiser too. This will be the ultimate GTO when it's back on the streets, right?

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20024_zpsykismc8t-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20025_zps8vybcndc-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20026_zpstqxyyiuz-1.jpg

[Ben@SpeedTech]

Next objective was installing the frame into the car and having a good last look at clearance and suspension geometry at ride height. For this we installed 315 30 18s on the front and 335s out back. Everything is looking perfect and working out just as we anticipated. I know some of you will have questions about clearance and all, hopefully I have everything covered in the pics. If not let me know and maybe I can shoot something specific for you.

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20030_zps2ybicpr9-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20031_zpsr9mdaayw-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20032_zpszegypb3a-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20028_zpsdvf0vhp5-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20029_zpsumgqaon8-1.jpg

[Ben@SpeedTech]

More install pics...

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20033_zpse4qdoo8y-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20034_zpssm6qw8la-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20035_zpsetsopgkx-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20036_zps8rykighg-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20037_zpskcbd6u0m-1.jpg

[Ben@SpeedTech]

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20038_zpsgqjlwd1x-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20039_zpshvkmor6s-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20040_zps8wb2mfyf-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20041_zpsw5n2jbaf-1.jpg

[Ben@SpeedTech]

And with the front clip and doors on. The 5th photo down from a ground up view the truck's tire makes it look there's something hanging down under the cross member that goes under the engine. There's actually a good deal of clearance there, even at this low ride height. Our goal was to have incredible geometry with plenty of suspension travel yet not have to worry about bottoming out at all.

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20042_zps0svwennh-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20043_zpsnxuochhs-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20044_zpsc6yzqiax-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20045_zpspyqredji-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20046_zps2o2jslms-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20047_zpsbbpi79ut-1.jpg

https://static1.pt-content.com/images/pt/2017/01/6920GTO20Silver20048_zpsr7rktsim-1.jpg

[slimjim]

that looks incredible, a lot of progress has been made, this car will be wild.

[Gil]

BadA$$ !! I love it...
Awesome work !

[BlackHD]

Great job! If I may ask which spray on box liner do you guys use?

Thanks!

[Ben@SpeedTech]

Thanks guys!

There are a lot of great products out there and in trying a few we lean towards Defender Pro. It sticks well (prep is still important), is durable, has a bit of sound deadening quality and lays down nice. It' doesn't do much for blocking heat so we still use Dynomat inside as well.

[Ben@SpeedTech]

Moving forward with the engine install, lots to do here. This shows the positioning pretty well in the ExtReme chassis. We make custom air intakes for each car, that way we can control exactly where and how we place the air filter. Note we had to machine the "whipple" logo off the supercharger for hood clearance. With some slight mods to the underside of the hood support this all fits under a stock hood!

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20001_zpsaupaifri-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20002_zpscv5s6473-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20003_zpsfmpfd9sg-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20004_zpsxbxnnfla-1.jpg

[Ben@SpeedTech]

Off to the side will be a custom air box that opens up to the grill area for cool fresh air. Up front we have a radiator, A/C condenser, intercooler, and uber heavy duty oil, power steering and trans coolers. Lots of plumbing on deck! Custom radiator support and brackets will be powdercoated silver to match the engine bay.

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20005_zpsiem4z5k6-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20007_zpszsl8nkry-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20008_zpsf9nmzx2g-1.jpg

[Ben@SpeedTech]

The GTO's brakes were feeling a little lonely, luckily the new wheels and tires finally showed up. Check out the impact that brushed nickel has, man that's a cool look! This car sports 295-30-19s up front and 345-30-20s out back.

https://static1.pt-content.com/images/pt/2017/03/00220GTO20Chassis20and20Suspension20001_-1.jpg

https://static1.pt-content.com/images/pt/2017/03/00220GTO20Chassis20and20Suspension20002_-1.jpg

https://static1.pt-content.com/images/pt/2017/03/00220GTO20Chassis20and20Suspension20003_-1.jpg

https://static1.pt-content.com/images/pt/2017/03/00220GTO20Chassis20and20Suspension20004_-1.jpg

[Shawn01754]

Wow

[mikes2nd]

138546Always great to see a GTO being built. This is my 1970 Goat firewall after waking it up from winter... I think I went a little more extreme with mine though :) I kind of have a LS3 Camaro, Z06 under mine, with a 2004 body pan transplanted with interior... oh and a 3 link rear end from a Mustang GT500 :)

[andrewb70]

138546Always great to see a GTO being built. This is my 1970 Goat firewall after waking it up from winter... I think I went a little more extreme with mine though :) I kind of have a LS3 Camaro, Z06 under mine, with a 2004 body pan transplanted with interior... oh and a 3 link rear end from a Mustang GT500 :)

You should start your own build thread. I'm sure a lot of people would like to see more details.

Andrew

[Ben@SpeedTech]

Agreed Andrew, that looks like quite the project Mike!

[Ben@SpeedTech]

A couple more pics of the cool, ...er, cooling parts. Dual fans, radiator, condenser, intercooler, then fluid coolers. Jeremy's still working on the plumbing and wiring so that'll all be routed and tucked in there nicely when he's done.

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20009_zpshcxb34iv-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0120GTO20Engine20010_zpseeyz8jmd-1.jpg

[Ben@SpeedTech]

Next up was the roll bar. Not intended to be NHRA legal, our customer wanted a 4 pt bar with rear seat access. Jeremy custom bent this one to be practical and tucked in there nice and neat.

https://static1.pt-content.com/images/pt/2017/03/0320interior20001_zpsa6otdwyv-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0320interior20002_zpsgivlonz6-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0320interior20003_zps6yub3xeg-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0320interior20004_zpsulmfikum-1.jpg

https://static1.pt-content.com/images/pt/2017/03/0320interior20005_zpsi0gfe653-1.jpg

[Ben@SpeedTech]

For those tempted to think going with a 4 pt the customer doesn't understand good roll bar design, well this is his other car which is also at our shop for some upgrades. Now that's a roll cage. :D

https://static1.pt-content.com/images/pt/2017/03/Drag20Camaro2000220web_zpsejsamvqe-1.jpg

https://static1.pt-content.com/images/pt/2017/03/Drag20Camaro2000120web_zps8vna5pni-1.jpg

[ekmxryda]

Nice progress Ben, and great job on the roll bar! I have to bend my back brace bars to follow the roof line like that.

Mikes2nd did you start a build thread yet? Would love to see more.

[Ben@SpeedTech]

Quick update- The underneath is mostly done, the exhaust system being the latest venture. Notice this is 3" stainless tubing with some electric cut outs for play time. I'll have more pics up soon that show all the details under here.

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20005_-1.jpg

[andrewb70]

I like the way you guys made the H-pipe!

Andrew

[Ben@SpeedTech]

Thanks Andrew!

[badolds]

AWESOME!!!! I love the car and upgrades. I am totally jelly.

Dan

[berdunord]

I love the car, love the work done ! that is beautiful !

[GEARBOXGARAGE]

Ben,

Are those the SpeedTech LS conversion headers?

Also, do you guys have an approximate curb weight of a complete A-Body with the Extreme Chassis?

Thanks,

Mike

[Ben@SpeedTech]

Thanks Dan and Berd!

Mike- Yes, they are Speedtech headers. The frame rails are fairly tight on the ExtReme frames to get that 30 degree steering angle goal with tucking 315 tires so we developed a header that we knew would fit well and give great ground clearance too. We have not tested any other brands to see if something else would fit. I asked Jeremy if he could weigh it when he gets it all buttoned up. This car has a blower, a hefty intake with intercooler, coolant tanks, a roll cage, etc, so he said to expect it to be a little heavier than a more simple build.

[Ben@SpeedTech]

More pics of chassis and exhaust detail, front suspension here. Note things like the tie down hooks for trailering and splined sway bars are standard on ExtReme frames. This customer chose to run 295-30-19s up front, although the suspension is designed to accept 315s. Everything about this frame is designed to be the missing link between street cruiser and race track thrasher. One thing I think is cool is the inclination angle on the front shocks is more effective allowing for a lighter rate spring to achieve heavier rate handling characteristics. Headers are designed to play nice with this super low stance. The spindle was redesigned to have even better geometry for even better handling than our current AFX spindle. Any questions or comments feel free to post 'em up!

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20006_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20007_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20008_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20009_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20010_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20011_-1.jpg

[Ben@SpeedTech]

Mid section here. As mentioned this car has 3" exhaust that tucks nicely parallel to the Torque Arm. We considered a triangulated 4 link for the A body cars when this chassis was in development mostly because that's what everyone was used to. That idea quickly got axed to run our Torque Arm instead, there's so many advantages to this system it just didn't make sense to run a 4 link. If you've never experienced how smooth and predictable our torque arm is, next time you're at an event ask a Speedtech equipped car's owner for a ride along.

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20012_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20013_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20014_-1.jpg

[Nicks67GTO]

Mid section here. As mentioned this car has 3" exhaust that tucks nicely parallel to the Torque Arm. We considered a triangulated 4 link for the A body cars when this chassis was in development mostly because that's what everyone was used to for these cars. That idea quickly got axed to run our Torque Arm instead, there's so many advantages to this system it just didn't make sense to run a 4 link. If you've never experienced how smooth and predictable our torque arm is, next time you're at an event ask a Speedtech equipped car's owner for a ride along.

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20012_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20013_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20014_-1.jpg

Have you guys considered a TQ arm and watts package for A body guys running stock frames? Based on conversations I've had with other A body guys, I think it would be a big hit. Chassisworks has started making one now

[Ben@SpeedTech]

Rear suspension. One of the biggest challenges with any lowered Pro Touring car is exhaust clearance, some rear suspensions make it more difficult than others. Our Torque Arm with it's panhard bar is tight too, but still allows ample room for a 3" system. We don't have a specific exhaust kit available, we usually buy a SW mandrel bent stainless universal builder kit and custom fit it to the car. Dutchman preps our 9" axles including welding on all Torque Arm brackets.

Unique to Speedtech are our 2-peice "Articulink" lower trailing arms that use components machined from billet steel to allow the arms to rotate with suspension articulation. This really makes for smooth transitions as you throw the car back and forth in the curves and over bumps in the road. Note that the arms have multiple mount position options as do the shocks so that you can maximize performance with your desired ride height. That billet lower shock mount can be flipped for a 1 1/2" difference in ride height without adjusting the shock at all. This suspension works so well a rear sway bar isn't typically necessary unless you're running a LARGE front sway bar for racing and the rear bar is needed to balance and reduce understeer. We like to use Rick's Tanks for our builds, they come with the extra clearance of notched corners and pretty much any fuel pump requirement provisions.

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20015_-1.jpg


https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20016_-1.jpg


https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20017_-1.jpg


https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20018_-1.jpg


https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20019_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20020_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20021_-1.jpg

https://static1.pt-content.com/images/pt/2017/06/00220GTO20Chassis20and20Suspension20022_-1.jpg

[Ben@SpeedTech]

Nick- Good question. You never know what the future holds, ;). It's nice to know that folks are starting to get on board with the Torque Arm, something we've been promoting on Leaf Spring cars since the beginning. My car is a 4 link G body and I was excited about the huge difference I felt on the autoX by simply swapping from another brand solid rear control arms to the Speedtech Articulink arms. Now after having driven a few of these Torque Arm equipped cars and feeling how they're even smoother and predictable than what I have, I wish G body Torque Arms were on the to do list too!

For now, we're more focused on the total transformation of having superior front and rear matched suspension packages through this complete redesign of theory and geometry in the ExtReme products. We recently released the Tri 5 ExtReme chassis and look forward to some classic shoe boxes soon to be kicking some Camaro booty. We have several ExtReme cars in the line up for R&D, the earlier Chevelle/ A body like yours is in development as we speak. We're also working 50's Chevy and Ford Trucks right now and then 3rd Gen Camaros. Possibly doing a square body Chevy truck frame and Impalas are bringing up the rear of the list. We'd rather get it right the first time and give you guys the best bang for the buck so it takes a while to get these perfected and on the market for each application.

We've talked in design meetings about doing some other conversion ideas for factory frames, but for now they may have to wait till after the ExtReme product line is available for most applications.

[Gil]

Killer work ! Badass... Just awesome !
I just love it...
(think I said it already)
Gil

[berdunord]

about ground clearence, with that ride height what is the lowest part of the car ?

[Ben@SpeedTech]

about ground clearence, with that ride height what is the lowest part of the car ?

The frame rail near the front tire has about 4.5" of clearance. The front fender roughly 6.5", rear frame rail roughly 5.5" and the rear rocker in front of the rear tire roughly 7.5". Lowest point on the exhaust is the collectors at 3.5".

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20060_zpsrfy0vkfa-1.jpg

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20061_zpsocfizlji-1.jpg

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20062_zpsjqyanhtc-1.jpg

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20063_zpst3fh0wda-1.jpg

[Ben@SpeedTech]

Final pics before it heads home. There is still some work to be done, including the hood tach which is off getting re-faced to match the interior gauges and some of the interior work which will get done at the upholstery shop down in Vegas. It's been a great project to work on and turned out just beautiful. Enjoy!

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20052_zpsd4qalopf-1.jpg

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20053_zpseaqw0rnh-1.jpg

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https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20055_zpsbwuu1vvt-1.jpg

[Ben@SpeedTech]

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20056_zpsyh43vflf-1.jpg

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20057_zpse2jyccze-1.jpg

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20058_zpssbs6ifba-1.jpg

[Ben@SpeedTech]

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20058a_zps40te8mhx-1.jpg


https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20059_zpsoxcu1qwb-1.jpg


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https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20064_zpsr5seg9ly-1.jpg

[Ben@SpeedTech]

https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20065_zpsxznfm3o9-1.jpg


https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20066_zpswuvgpnlf-1.jpg


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https://static1.pt-content.com/images/pt/2017/06/6920GTO20Silver20070_zpsifs0lhmv-1.jpg

[ekmxryda]

Very nice, I love how low it sits now!

[berdunord]

ok thx Ben ! this is reallay a nice car, congrats to the owner and the work you have done !

[elcamino80]

Very nice car indeed!

[Ben@SpeedTech]

Thanks fellas!