The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1967 GMC V6

factorystock · 07-20-2019, 07:04 PM

The 351 was essentially a larger bore version on the 305. There was a heavy duty option on the 305E, not sure about the heavy duty option on the 351E. Maybe Bob B. is familiar with this option and how to detect if a engine has this option.

07-20-2019, 07:04 PM	#39
factorystock Registered User Join Date: Feb 2007 Location: west coast Posts: 3,354	Re: 1967 GMC V6 - 351E on a Camper Cruiser The 351 was essentially a larger bore version on the 305. There was a heavy duty option on the 305E, not sure about the heavy duty option on the 351E. Maybe Bob B. is familiar with this option and how to detect if a engine has this option. Attached Images Last edited by factorystock; 07-24-2019 at 09:41 PM.