Thread: My Engine....
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Old 07-17-2007, 12:44 PM
Performance Oil Products Performance Oil Products is offline
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Join Date: Jan 2007
Location: Goodyear, AZ
Posts: 2,083
Cut off on forged rods is 10-2000 but if you have a close build date you can tell by engine code or by pulling out the plug and looking.

Forged good to close to 600HP PMR's 400HP
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