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Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

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Old 08-30-2009, 10:47 PM   #1
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350 chevy replacement?

I have a 1987 firebird formula with a 305 5.0 L automatic tranny. I would like to know if i can swap it with a 350 chev and will the tranny bolt up?
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Old 08-31-2009, 12:13 AM   #2
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Re: 350 chevy replacement?

Short answer, yes.
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Old 09-04-2009, 12:17 PM   #3
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Car: 91 Camaro RS
Engine: L03
Transmission: 700R4
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Re: 350 chevy replacement?

worth looking at:

http://www.carcraft.com/techarticles...ine/index.html

ima re-read this later because it is like poetry .. friggen wicked lil engine.
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Old 09-05-2009, 02:37 AM   #4
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Re: 350 chevy replacement?

You realize that the 5.3 takes just as much to swap as a LS1, right? That isn't anywhere near a straight bolt in like the 350 could be.
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it kills performance similar to visualizing a picture of Rosey O'Donnell nude.
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Old 09-05-2009, 10:15 AM   #5
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Car: 91 Camaro RS
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Transmission: 700R4
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Re: 350 chevy replacement?

but worth it in the end.. yes.
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Old 10-03-2009, 10:49 AM   #6
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Car: 1987 Pontiac GTA
Engine: 350tpi
Transmission: t56 6 speed
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Re: 350 chevy replacement?

Try to start off first with finding out what gears you have in the rear end. I don't know about the formula but the trans am 305tpi auto had 2.73 and no matter how big of an engine you put in it its gonna suck. So start off with that and change them if you have the crappy 2.73 and see how much of a difference you feel.
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Old 10-03-2009, 10:49 AM
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