swap problem pls help
swap problem pls help
heloo every body
this is my first topic in this board .
I want to ask you guys about :what is the most popular engine you have swap in the third gen.
I have many choices : LS1 , 6.0 iron block ,Lt1 , 454 BB ,350
my project is : I want the most power with stock bottom engine and N2O in weekend drive.
I have 1987 red iroc no motor no trans ,
so guys i want to help me in my Project
this is my first topic in this board .
I want to ask you guys about :what is the most popular engine you have swap in the third gen.
I have many choices : LS1 , 6.0 iron block ,Lt1 , 454 BB ,350
my project is : I want the most power with stock bottom engine and N2O in weekend drive.

I have 1987 red iroc no motor no trans ,
so guys i want to help me in my Project
Supreme Member
iTrader: (4)
Joined: Mar 2009
Posts: 3,079
Likes: 4
From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: swap problem pls help
350 is still the defacto, due to the fact that it drops in without much issue. the LSx family (5.3, 5.7, 6.0) is becoming more common, but a lot more expensive to get in the door. budget will be a big deciding factor
Senior Member
Joined: Sep 2007
Posts: 568
Likes: 1
From: Leander,TX
Car: 84 Z28 / 88 Trans Am / 87 base
Engine: L69 H.O. / 468 BBC / 2.8 v6
Transmission: 89 700R4 / TH375B / 700R4
Axle/Gears: 3.73 open / 3.23 posi / 3.42 open
Re: swap problem pls help
Do you have to keep emissions legal?
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