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Thread: Ls1 Heads
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08-01-2008, 10:08 AM #1
- Join Date
- Jan 2008
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- MISSION TX
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- 24
YELLOW- 2001 GMC SIERRA
Ls1 Heads
Ls1 Heads 862 Or 241 What Is Better
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08-02-2008, 07:09 AM #2
241s are the newer casting that flow slightly better.
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