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LS1 Engine

4788 Views 18 Replies 10 Participants Last post by  JimGnitecki
Does anyone know the differences in the 04 SSR LS1 compared to the 04 GTO LS1? I know the SSR is about 290hp, 5.3L and the GTO is rated at 350hp, 5.7L.

So what is the difference? Cam, throttle body, compression/pistons. Were the heck is that 60 horse difference coming from!
1 - 1 of 19 Posts
41chevcoe said:
There is no replacement for displacement , bigger is better !

Yes there is...It is called boost... :lol :lol
1 - 1 of 19 Posts
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