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LS1 Engine

4788 Views 18 Replies 10 Participants Last post by  JimGnitecki, 
H
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!
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wildcat66
Posted By JimGnitecki
[The reason that regearing is so effective on many modern cars and bikes is that te factories are making the gearing VERY tall in order to artificially improve their emissions, noise, and EPA mileage scores]

My question is will this change make any differences when you need to have in inspected every year?
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