1967 GMC V6 - 351E on a Camper Cruiser

[Blue Sage]

Originally Posted by Bob B.

My 4 speed 351E with a 4:10 rear axle and LT245/75R16E tires gets 8-10 m.p.g. unloaded. I did replace the Stromberg WWC carburetor with a 500 c.f.m. Holley 2bbl.. That was a common swap back in the day and usually resulted in better performance with slightly better fuel economy.

As for the 351, pistons and head gaskets are particularly tough to find, but they do show up on Ebay from time to time.

Thanks Bob - SO! A first! It is possible to get 10 mpg. Hallellujia. Thx.