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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 01-08-2012, 11:33 PM   #1
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Join Date: Sep 2011
Posts: 112
Car: 1985 Camaro Iroc
Engine: 350 tpi
Transmission: 700r4

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Rebuild my 305 tpi or get a 350 tpi crate engine?

I am in a pickle. My 305 TPI has already been rebuilt with 160k miles on it. The compression on cylinders 6 and 8 are getting low (22% differential from the others).

Should I rebuild this engine again (2nd time rebuild) or should I just get a 350 tpi crate engine and save up some money? I want more power but not sure about monetary situation... I can't decide. Opinions?

I am also about to move overseas to Guam and its real hot and humid and rains a lot there. Not sure how this relates to thread but take for it what you will.
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Old 01-09-2012, 12:07 AM   #2
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Join Date: Feb 2011
Location: Virginia
Posts: 311
Car: 85 camaro z28
Engine: 355
Transmission: t-5
Axle/Gears: 3.73

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Re: Rebuild my 305 tpi or get a 350 tpi crate engine?

use the 305 as an anchor for a boat, overseas of course.

and get a 350 to replace
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Old 01-09-2012, 12:07 PM   #3
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Location: Arlington, Tx
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Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
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Re: Rebuild my 305 tpi or get a 350 tpi crate engine?

305 isnt a bad motor. but once you have to tear into the bottom end on one, it makes more sense to just get a cheap jy 350 and rebuild that instead. you can fit the 305's tpi on top with a few minor tweaks.
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Old 01-11-2012, 11:10 AM   #4
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Join Date: Jan 2012
Posts: 147
Car: 1986 Camaro
Engine: 355 N/A mind 400hp build
Transmission: 700r4
Axle/Gears: 3.23

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Re: Rebuild my 305 tpi or get a 350 tpi crate engine?

I've you've got the money now.. go with the 350. You'll enjoy the HP more. But on the other note, building a 305 wouldn't really be that expensive either, considering you can buy a 305 block or even better yet the 305 HO block and heads for practically nothing.
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Old 01-11-2012, 11:10 AM
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