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Old 04-24-2013, 10:39 AM   #1
mjohnson68
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Default LS1 upgrades?

I have a 2001 LS1 and came across some heads for sale locally. They are LS2 heads for a GREAT price with only 300 miles on them.

My question would be what kind of performance increase could I see if I swapped heads and threw in a small cam?

I always wanted some LS6 heads but these are really priced nice and if they offer almost the same performance I might jump on them...

Thanks,

Mike.
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Old 04-24-2013, 01:37 PM   #2
baxsom
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LS2 heads are LS6 heads. They are the same casting. Sometime different numbers. the 02-04 LS6 heads have the special valves. Check the casting numbers either 243 or 799 if memory serves me right. Same flow rate.
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Old 04-24-2013, 02:21 PM   #3
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These heads have the 317 casting number on them.
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Old 04-24-2013, 02:23 PM   #4
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From what I am reading online they are from the 6.0l and have a larger combustion chamber. Not sure if they would increase performance or just make lower compression.
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Old 04-24-2013, 02:23 PM
 
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