SUpercharger Help!!!!

[rfalker1]

Decided to edit it, Ummmm I guess I will look for a turbo system and will work for my vortec heads...

[65 ELKY]

Twin, Single. How much boost do you want to run. What are the spec on the engine you have?

[rfalker1]

well the following is the set up and its a non fuel injected car. To be my honest is I actually want descent gas mileage thats why I thought about a turbo system, but looks for me is just as important as the performance. So this is my issue!!


Block:
4-bolt main block
Passenger side dipstick
Square and parallel decked
Align honed main bearing bore
Cylinders are sonic tested for thickness
Cylinders honed on a computer controlled machine to within .0002'' straightness and roundness

Rotating Assembly:
SCAT 3.75'' stroke cast crankshaft
Chevy 5.7'' heavy beam rods with 150,000psi bolts
Keith Black hypereutectic pistons
Hastings Moly rings
Clevite bearings
Externally balanced rotating assembly
Melling high volume oil pump
Heavy duty double roller timing set

Cylinder Heads:
GM Vortec cast iron heads
Hardened retainers and 1.25'' diameter valve springs
2.02'' swirl polished intake valves
1.60'' swirl polished exhaust valves
Hardened pushrods

Camshaft Specs:
Hydraulic Flat Tappet
Duration @ .050'' Lift: 234 Intake / 244 Exhaust
Lift: .487'' Intake / .508'' Exhaust
Lobe Separation: 112°

Other Features:
Professional Products dual-plane satin aluminum intake
Chrome valve covers
Chrome timing cover
New 5-quart oil pan
Brass freeze plugs
9.5:1 compression



Dress Model Adds:
Edelbrock 750cfm Carburetor
Edelbrock water pump
Edelbrock fuel pump
MSD distributor
MSD Coil
MSD spark plug wires
Braided fuel line

Horsepower: 405
Torque: 440
ADD ONs


Mr. Gasket Hi-Thermostat 160 degree

BeCool Complete Crossflow Electric Radiator
BeCool Radiator Fluid 4 Gallons
JEGS Inline Radiator Hose Drain
Drop, Incldes Temperature Wiring Kt
Spectra Braided Radiator Hoses

March Performance 22050 Serpentine Kit
Gates 6-Rib Micro V Belts (Alternator)
Gates 6 RIb Micro V Belts (Power Steering)
JEGS Saginaw Style Power Steering Pump
JEGS Power Steering Adapter Fittings
JEGS GM Kool-FIn140-amp Serpentine Belt
JEGS Hi-Output Alternator Wiring Kit


Hooker Super Competition Headers
Full Length 2207HKR, Jet Hot Ceramic Silver Coated
Mr. Gasket Ultra-Seal Exhaust Gasket

MSD Ignition Kit

Holley 700cfm Double Pump Carbuarater / Mechanical Secondary
Electric Choke Kit
Choke Linkage

Flex-Pro Gaskets

Harland Sharp 1002 Aluminum Roller Rockers
1.6 ratio
JEGS Pushrod Guideplates

K&N Air Cleaner Assemblies
Custom Electric Design Oval 3"

Edelbrock Signature Centerbolt Valve Cover
Valve Gaskets
Valve Screws

MagnaFlow Super 44 Exhaust System

[Sparky67]

If you are looking for good gas mileage, then I would sell you current engine and go with LS engine. Your current reminds me of my first engine that I had built back in 1985, when gas was cheap. Although, it only got around 10 mpg. To do a Turbo or supercharger with your current engine, well you have to replace your current engine to do it. I have currently an LS3 with Harrop TVS 2300 in my 67 RS Camaro.

Jeff

[rfalker1]

It makes sense, I do love the LS my 2010 camaro has a ls3. But I really want the vintage appeal. So maybe I will look into something else, or do another car in time. Or a twin turbo Supra. Thanks for the advice, I hope I get 14 mpg lol

[MonzaRacer]

First of all the Hyperutectic pistons HAVE to go, period, they will shatter if you get any detonation.
Other than that a couple of small TO4 turbos can be done ,,,look shmoov, his Camaro is a good pattern and he ran 2 old Thunderbird Turbo Coupe turbos for years,, and blow through too.
Oh and you would need to do a different carb most likely.
I am working up what it will take on my big block Caprice and my Monza also in turbo.

[rfalker1]

That sounds crazy but exciting, I think I will give his a look. Thanks for the advice

[opnwide]

I think if you want gas mileage, go with a 5.3 LS truck engine and a turbo setup. HotRod Magazine did a test a month ago and got 600hp for about $3250 total cost! Its tough to build a 400 hp 350 chevy for that kind of money. I spent close to $10K on my turbo pontiac.
When you blow it up, just buy another $300 5.3 short block.
A 5.3 is roughly 327 cu in, so tell everyone you've got an LS327. Won't that be appropriate for a 1st gen camaro!

[opnwide]

Oh, and if you decide to keep your current 383, I'd swap the cam out for a 224/224 on 114 l/c. that cam will give you more torque down low, and the turbos will boost the top end power. The ex duration and 112 cl of the current cam is going to reduce your scavenging and cost you gas mileage.
Remember a turbo can give you an extra 1000rpm over an NA setup with the same cam, so cam appropriately (more mildly) to build low speed torque to cover up any turbo lag.

[73X]

I know the HOT ROD built 5.3 sounds great, but watch the cost. That $3250 doesn't include all the accessories, drives, computer, wiring harness, fuel system, mounts, etc. You'll be $4000+ by the time all that is done. I'm not knocking the LS at all, wish I had the money for one, just letting you know all the little stuff you have to have adds up too. Good luck

[wicked68]

I agree with the others that I would not force induct this engine. Your rotating assembly and heads are not up for it.

you would dump a lot of money into a turbo or blower setup that will only hurt the engine or you would have to go so small that you would not get the power that you are looking for to stay safe on that engine.

btw - if you want to keep this engine - maybe just change the top end of the rotating assembly to bump your compression up to 10.5 or 11 and you will get some nice hp out of it without going blown.


if you want to go blown I would definitely go with billet on your crank and rods and add aluminum pistons and heads for heat. fuel injection will make your life easier as well. this is a bit over simplified but a good engine builder will know the general idea and can put a nice engine together for you. Of just get you a nice ls3 motor.

[68camotion]

I wonder how many of the autoX guys have prochargers

[Zspoiler]

On a supercharged car , or any high performance engine,especially if you want to any degree of boost .It is better to over build an engine than not.Or can become very expensive.

[uxojerry]

old thread, didnt notice.