Difference between ls1 and ls3
TECH Enthusiast
Joined: Jan 2010
Posts: 578
Likes: 4
From: REALITY
5.7L vs 6.2L....
more displacement= more power potential...
Bozz
Provided you have a complete engine with intake, covers etc... the cam position sensor and knock sensors are in different locations on genIV stuff so if you have an LS1 harness you will need extensions which a lot of vendors here sell. You will also have to convert to a cable TB as the LS3/98 stuff is drive by wire....
Physically, externally, not much differnts, most accessors will bolt up. Internall, many updates for oiling and others items.
The Mounts and bell housing bolt patterns will be the SAME !.
Gen III vs Gen IV
Heads.. ports shape (different inakes)
24x vs 58x, different Crank sensor.
Knock sensor = Top vs side
Cam sensor = top/back vs front timing cover.
How much do you need to know..
The Mounts and bell housing bolt patterns will be the SAME !.
Gen III vs Gen IV
Heads.. ports shape (different inakes)
24x vs 58x, different Crank sensor.
Knock sensor = Top vs side
Cam sensor = top/back vs front timing cover.
How much do you need to know..
Last edited by bczee; Mar 8, 2011 at 12:52 PM.
Thread Starter
Registered User
Joined: Mar 2011
Posts: 2
Likes: 0
wow thanx guys my main concern was mounts that way i'll jus use a kit to install it since ima do it myself n i kno that i've read that a gto ls1 oil pan is recomended is the oil pan from an ls3 the same kuz like i said makin it fit is my main concern for right now
