Originally Posted by long term resto
I believe the 57 GMC came stock with the 348. I have a 57 GMC stock V8 Hydramatic and its serial shows as a 348. If the truck was designed with that engine it should handle it

You may be correct for a Canadian built truck, they did weird things up there...lol. The 348 didn't appear in US vehicles until 1958.

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD