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rwgregory · 03-31-2010, 02:42 AM

There is no SPID on your glovebox because most '67 GMC's never came with one. As to which engine you have, look just forward of the passenger side head on the block and you will see the serial number. you will see either 305E or 351E somewhere in that number. That will be the size of your engine.

03-31-2010, 02:42 AM	#4
rwgregory Registered User Join Date: Apr 2005 Location: Chula Vista, California Posts: 495	Re: v6 GMC information needed There is no SPID on your glovebox because most '67 GMC's never came with one. As to which engine you have, look just forward of the passenger side head on the block and you will see the serial number. you will see either 305E or 351E somewhere in that number. That will be the size of your engine. __________________ rwgregory 67 GMC 2500 ,2w/d wide box 305 V-6, 4-speed