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.

3.1 to tpi350 or lt1

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Old Nov 2, 2009 | 07:52 PM
  #1  
Dustin Fitch's Avatar
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Joined: Dec 2008
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From: Houston, TX
Car: 91 Firebird
Engine: 3.1
3.1 to tpi350 or lt1

i just kind of want to know the pros and cons in between the two motors from dificulty installing, price range, and power differences. any input would be helpful thank you,........oh and please don't reply with " read sticky" or "research" I just want everyones opinions and pointers.
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Old Nov 3, 2009 | 09:13 AM
  #2  
1ADan's Avatar
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Joined: Mar 2009
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From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: 3.1 to tpi350 or lt1

+both will bolt in the same way
-both will need new wiring harnesses + computer
-both will require new fuel pump
+LT1 will have more stock horsepower

couple of starters for ya
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Old Nov 3, 2009 | 11:14 AM
  #3  
Dustin Fitch's Avatar
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Joined: Dec 2008
Posts: 96
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From: Houston, TX
Car: 91 Firebird
Engine: 3.1
Re: 3.1 to tpi350 or lt1

thanks, that is what i figured. I have read all the stickys and have been looking at what everyone has been saying in here for months. I got this car for free about a year ago and have been doing body work on it when i have the time (which is hardly ever) So far it is coming out nice. I am going to finish the body work and probably start interior work, but, I want to go ahead and buy a motor and put it on my stand and work on it while I also collect all the things needed to0 do the swap, which is a lot. i am going to ride the v6 til it dies lol. If i get a donor car and buy a lt1 vette motor or a newer model ta, how much will be different from the factory v8 to lt1. or would it just be easier to get the tpi350. I'll also put some pics on here of the work i've done so far.
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