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Thread: 1970 Trans Am Project
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09-25-2013 #1
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Sweet! Do you have a time frame on that build? Ive thought seriously about staying with a 400 and doing almost the same thing. I had Dave@ SD performance spec me a 400 build a year or so ago. It used his stump puller hydraulic roller and 290cfm KRE D ports and an RPM intake. He was claiming they usually end up in the 500-525hp range and 525-550 ft lbs of tq with a long flat curve.
Originally Posted by jtwoods4
-Nick
-1967 GTO I drive and race
-Build threads:
-http://forums.maxperformanceinc.com/forums/showthread.php?t=615847&page=23
-https://www.pro-touring.com/showthre...project-thread
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09-26-2013 #2
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the time frame on my build is about six to eight months. jim lehart at Central Virginia machine services is building the engine for me. he is a very popular pontiac builder and there is a little bit of a wait but he does a great job.last year he built a 461 stroker for my 69 GTO and it is insane. Originally Posted by Nicks67GTO
I am sure SD performance would also build a very nice engine. I have those kre heads on my 461. we went with the 246/248 can and ported the heads to 330 CFM and used the Torker 2 intake.
10-13-2013 #3
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FRONT END DONE!!!! SHE IS BACK ON THE GROUND!!!
12-09-2013 #4
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Great build! Love the early T/A's. Also love those swaybar endlinks, infinite adjustments... Originally Posted by jtwoods4
FRONT END DONE!!!! SHE IS BACK ON THE GROUND!!!
12-09-2013 #5
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This weekend I pulled the original engine with 87,000 miles on it. Replacing with period correct 400 setup for road race performance and a tremec 5 speed.
12-09-2013 #6
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01-04-2014 #7
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Made a custom brake push rod today to work with the new manual brakes and the CNC dual master cylinder. Please watch the video and make any comments if you see any design issues with the pushrod. I think it is going to hold up just fine but second opinions are always nice
The video is long, shows the design, install, and finished product. The design shows how I sleeved the hole in the brake pedal to make it a snug fit for the bolt that goes through the brake pedal and hiem joint..... anyway, enjoy.
01-06-2014 #8
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New Steering shaft dust boot and brake lines installed
DUST BOOT VIDEO
BRAKE LINE VIDEO
01-12-2014 #9
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Guys I need a Front Passenger fender from a 1970-72 Trans Am. That is the only piece on my car that is not the original sheet metal. It has a later model fender. The fender works and fits fine but as most of you know the 70-72 didn't have the mounting holes for the engine compartment brace. Anyway, I would like to find one so I can have all the original sheet metal. These are hard to find. Can anyone point me in the right direct? Wrecking yards? Hoarders? Collectors?
02-09-2014 #10
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Today I picked up my engine from the shop. It's a pretty nasty 400 (406). It's a 10:1 compression engine so it was made to run on pump gas but it was built to lean toward a road race application. The power band was moved up in the RPM range so it would have better corner exit without breaking loose the rear end. She's making around 500 to 525 horsepower and torque. The pins and rods are a little tougher so it can handle spinning up to around 6500 to 6800 rpm.
She has the Edelbrock aluminum d port heads that were ported to flow around 310 cfm. The torker II intake was port matched to the heads. Forged pistons and forged 6.8 rods. Solid roller and steel rockers. Carburetor is AED 950 HO. the distributor and headers are not in the video we just used what was on the engine stand. I have a set of the hooker super competition headers that I sent to thermal tech to have Coated. MSD billet distributor is still in the box. I'll post the complete build sheet later on.
Enjoy the video
02-15-2014 #11
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New Engine went into the car today
12-23-2014 #12
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Beautiful car!! Very nice car to start a project like this. Originally Posted by jtwoods4
New Engine went into the car today
02-16-2014 #13
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Ok guys I need some. I am trying to wire the new starter to the original harness. Please watch the video and chime in if you know what I need to do.
02-26-2014 #14
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Purple is the gm color for the starter. The others should you the the bat post Originally Posted by jtwoods4
02-26-2014 #15
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Thanks hessdawg
03-18-2014 #16
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The red one goes to the battery terminal on the starter, the purple one goes to the solenoid terminal (the smaller terminal on the starter), and just discard the yellow one, its just used for the old contact type ignition and its not used with the newer types of ignition systems (MSDs and the likes). Originally Posted by jtwoods4
03-19-2014 #17
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Thank you Kamaro. I was wondering about that loose wire. Originally Posted by kamaro
02-23-2014 #18
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Guys, I just installed my TKO 600 from American power train. Please take a look at this video. Is the engine suppose to lean back this much? I know they do lean back a little but not sure if this transmission mount needs to be higher.
03-02-2014 #19
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Fuel Line Complete
03-08-2014 #20
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This weekend I finished installing most of the engine accessories. Still need to throw in the MSD box and distributor. I also ordered a new 3 inch Chromoly Driveshaft from the drive shaft shop, should be here in the next couple weeks. I decided to go with the Chromoly shaft because it allowed me to use a smaller 3 inch diameter instead of the 3.5 inch alluminum shaft. This frees up some space in the trans tunnel. I have had cars in the past with 3.5 inch driveshafts that would knock the trans tunnel on a hard bump with passengers in the car.
Haven't decided on a Radiator yet. I would like to use the original style shroud with the mechanical fan and clutch. Any aluminum radiator recommendations that fit well in the stock shroud?
Anyway, Enjoy the video
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