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Gray Ghost · 10-20-2008, 12:23 AM

Only way to tell is to open it up and count the bolts in the main caps...seems they never coded 2 or 4 bolts from the outside.

10-20-2008, 12:23 AM	#4
Gray Ghost Senior Member Join Date: Sep 2004 Location: Terrell, TX Posts: 1,967	Re: Help Decode my motor & Heads! Only way to tell is to open it up and count the bolts in the main caps...seems they never coded 2 or 4 bolts from the outside. __________________ Kelly '05 GMC Sierra SLE Z71 Bone stock except for new bed rail caps.