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LS6 vs. LS2 Heads?

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Old 12-14-2005, 11:52 PM
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Question LS6 vs. LS2 Heads?

What are the differences between LS2 and LS6 heads?

Aren't they both 243 castings?
Old 12-15-2005, 12:00 AM
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yes they are the same.
Old 12-15-2005, 10:23 AM
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05+ do not use lightweight valves, correct?
Old 12-15-2005, 10:37 AM
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Right no sodium filled valves in the LS2 castings allthough they are the same number.
Old 12-18-2005, 01:18 PM
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Sweet. Thanks guys! I'm getting a set for my 98 SS... they should flow a bit better.
Old 12-20-2005, 04:36 PM
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Are the valves the same length as the 02+ ZO6, just not sodium filled? If so, then the ZO6 valves would be interchangable?

The second part of the question would be, if they are the shorter LS1 type valves then the LS2 heads should bolt right on the a LS1 with a stock cam?

Last edited by jcarp; 12-20-2005 at 04:49 PM.



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