LS1 vs. LS2 whats different?
Team Owner
Joined: Aug 2003
Posts: 38,314
Likes: 35
Displacement: 346 cu in vs 364 cu in
Bore and stroke: 3.90 x 3.62 vs 4 x 3.62
Horsepower: 350 @ 5200 vs 400 @ 6000
Maximum engine speed: 6000 RPM vs 6500 RPM
Recommended fuel: 91 octane vs 93 octane (not required)
Bore and stroke: 3.90 x 3.62 vs 4 x 3.62
Horsepower: 350 @ 5200 vs 400 @ 6000
Maximum engine speed: 6000 RPM vs 6500 RPM
Recommended fuel: 91 octane vs 93 octane (not required)
Last edited by '06 Quicksilver Z06; Sep 29, 2005 at 10:28 PM.
Safety Car
Joined: Apr 2004
Posts: 3,818
Likes: 4
From: San Bruno ca
Originally Posted by vertC6
I know the basics that the LS2 has 10.9 to 1 compression and has a little larger displacement, but what else is different about them.
lifter retainers
head bolts(on the pre 2004 ls1 motors are different
timing cover (i think)
thats about it.
i am having a ls2 (402) short block installed in my car.
Pro
Joined: Dec 2004
Posts: 530
Likes: 2
From: Colorado Springs CO
Originally Posted by vertC6
I know the basics that the LS2 has 10.9 to 1 compression and has a little larger displacement, but what else is different about them.
Blair
Team Owner
Joined: Aug 2003
Posts: 38,314
Likes: 35
Originally Posted by fenderowner
In addition to the above engine differences, Chevy achieved more horses by designing a more efficient exhaust system for the C6 (fewer bends, etc.) and I believe adapting the C5 Z06 air intake system to the LS2. Realize these aren't strictly engine-related, but they are contributors to the overall HP increase that Chevy was able to achieve between the LS1 and the LS2.
Blair
Blair
