what does ls1 with stock 243's put out?
05-17-2009, 09:22 PM
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what does ls1 with stock 243's put out? Just wondering what swopping 243's onto a stock 02 ls1 will do power wise? it already had the ls6 intake just figured for the price of the heads I would get them from a buddy and put them on. but I am currious on how much I will gain.......
05-18-2009, 07:27 AM
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with stock cam...maybe 15hp. marginally better flow, small boost in compression.
while they're off, may as well spend a few extra $$ and get a mild port job and mill them a tad.
that could boost the gain into the 20-30hp range possibly, especially if you get a cam down the road.
while they're off, may as well spend a few extra $$ and get a mild port job and mill them a tad.
that could boost the gain into the 20-30hp range possibly, especially if you get a cam down the road.
05-18-2009, 11:55 AM
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rwhp...and its VERY generalized numbers.
can't say i've seen any before/after...apples to apples..comparison between ls1 and untouched ls6 heads.
and only a few comparisons of stock cam with ported heads...although the results were nice.
can't say i've seen any before/after...apples to apples..comparison between ls1 and untouched ls6 heads.
and only a few comparisons of stock cam with ported heads...although the results were nice.
