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cayoterun · 09-30-2007, 08:31 PM

Hoo-rah! The elusive piston has been found and installed.
Tried all sources mentioned above plus others. Found one in junked motor locally.
Maybe reassembly can get started tomorrow.

If anyone considers trying to rebuild a V-12, be prepared for lots of headaches trying to find parts. Over time, many different bores and types of pistons have been used in these motors. Matching pistons seems to be one of the golden items.
Thanks for all suggestions
Cayoterun

09-30-2007, 08:31 PM	#59
cayoterun Junior Member Join Date: Dec 2006 Location: Guymon, Oklahoma Posts: 2,040	Re: GMC V-12 powered '91 Chev crewcab Hoo-rah! The elusive piston has been found and installed. Tried all sources mentioned above plus others. Found one in junked motor locally. Maybe reassembly can get started tomorrow. If anyone considers trying to rebuild a V-12, be prepared for lots of headaches trying to find parts. Over time, many different bores and types of pistons have been used in these motors. Matching pistons seems to be one of the golden items. Thanks for all suggestions Cayoterun __________________ Cayoterun Okla. Panhandle I think I'll do it myself and pay the extra $500. Last edited by cayoterun; 09-30-2007 at 08:34 PM.