Hey cool, a 10 year old thread. :p

While we're on the subject of DD engines, I thought about putting a 6V53 in my Spartan if the original 348 turns out to be complete junk. Seem like a good swap?

1949 Chevy 3100 (In the family since new)
1955.5 Chevy 3100 - in the DITY Gallery - (Dad's truck)
1955 Chevy 6500 - in Big Bolts - (Possible parts truck?)
1958 Chevy 3800 w/9 ft bed - in Project Journals - (Current project)
1959 Chevy Spartan 10400 - in Big Bolts