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Old Aug 26, 2006 | 06:50 PM
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Default ls2 header question

i have an ls1 with ls2 heads on it, can i use a header for an ls1 or will it not work?
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Old Aug 26, 2006 | 08:17 PM
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Im kinda curious bout that one too
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Old Aug 26, 2006 | 08:34 PM
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LS2 heads on 05-06 are 243 castings, so I dont see why not? What car is it going in?

-J
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Old Aug 26, 2006 | 08:55 PM
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i have an ls1 with ls2 heads on it, can i use a header for an ls1 or will it not work?
Did you put your stock manifolds back on because if you did and they work fine then ls1 headers should work fine. plus i think that ls2 heads are ls1 ported with a higher compression.
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Old Aug 26, 2006 | 10:29 PM
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The LS2 heads are the same 243 casting heads on the 03-04 C5 ZO6 corvettes. The header bolt pattern are the same as the LS1 F-bodies. But make sure that the headers you get is for a F-body and not a vette and they will bolt right on.
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Old Aug 27, 2006 | 12:37 AM
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Originally Posted by GREATWALLTA
The LS2 heads are the same 243 casting heads on the 03-04 C5 ZO6 corvettes. The header bolt pattern are the same as the LS1 F-bodies. But make sure that the headers you get is for a F-body and not a vette and they will bolt right on.
He may have a 'vette/GTO though lol, gotta love it when people post lots of information for us.

LS2 heads = LS6 heads. Bolt pattern/location is exactly the same. 6.0l, 5.3l, 4.8l, LSx heads all have the same exhaust setup.
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Old Aug 27, 2006 | 03:37 AM
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thanks for all the feedback, i don't know what year the heads are i just bought the motor and its going in an rx7. I think i can still just use ls1 headers.
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