I am only 16 but i want to get rid of my v6.I have a 1985 firebird with the 2.8.My gramps would probably help me in a bout a year when i hopefully do this.If i go from efi to carb will i still be able to use a tranny that was originally mated to a efi v8. I was just wonderin this today and wanted to ask.
What i was going to do was get a 700r4 from a boneyard but buy a carbed crate engine between 250-300 hp.I dont want something with a $hitoad of hp b/c i dont want to kill myself.
So pretty much the biggest things i need are the engine,trans,.and radiator right?
Thanks also any suggestions on some engines would be nice?



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1985 Firechicken
2.8 v6
Mods:
TB Coolant Bypass
My own kik @$$ dual intake
Freshly Painted(bright metallic blue)
Mods to come:
Either an 80 series flows or super turbo dynomax.Cant decide!
An engine is like a person,to scream it has to exhale hard -Flowmaster

 

Good luck kido, its going to be ALOT of money. I highly suggest sellng the car as is, and buying a car origionally equipped with a V8 for probably the same price, and then just having it painted or something. I recently switched from a 350 to a 350 and believe me its expensive even if you do the work yourself. The little things add up. But if you are going to do it you made the right choice by asking about it on here.

And yes all GM tranny's that are made for 8 cylinders will fit on other 8 cylinders. Your going to need all kinds of other stuff then just an engine and a trans. There's too much to list.

Matt

 

The first thing you need to find is an '85 FB with factory V8 from which to pull all the parts you're going to need (the engine doesn't have to be any good since you're getting a crate engine, but it does have to be complete). Then, take pictures of both cars before you take anything off, label everything as it is removed, take more pictures as you go, and start moving things onto your driver.

Since you're buying another car anyway, the best approach is to do what IROC says - sell what you've got and get a factory V8 car. Even if you put the crate engine in it, you'll be dollars ahead.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/'87 LB9 block, ZZ3 cam and intake, World 305 heads, Hooker headers & y-pipe, 3" Catco cat & 3" cat-back).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Edelbrock 1901 Q-Jet, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).

 

dont let anyone tell you not to do it, im doing the same thing to my 93 camaro, it had a 2.8 in it, and im putting a 5.7 in it. dont let anyone tell you it cant be done or it will be to hard, i havnt ran into anything that has stopped me yet. good luck finding a 700r4 tho, i cant find one at all.

 

Nobody is saying "don't do it" or "it can't be done", or "it's too hard". Obviously, it can and has been done (see sig in above post).

The point is, it isn't economical, especially if you have emissions to worry about. There is only so much value to being able to say "I did it myself", and this isn't one of those situations, unless you have a particularly nice V6 car with sentimental value, or some other reason to spend more money than what the car will be worth when you're done or what you would spend getting a factory V8 car.

Your own admission of having difficulty finding a transmission just drives the point home further (no transmission isn't stopping you? You must get tired pushing it around).

Also didn't realize they were still putting 2.8's in '93's...

 

Hey im in the middle of writting my book on that switch..i had a 2.8 liter now a blown s/b. just email me with what you need

Cody

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Wieand blown 87 camaro

 

the whole tranny this is minor, i will eventually find one, i have a lot of stuff to do before i need a tranny anyway.

 

luckily he doent live in memphis city limits so he wont have to pass emissions.