OK, I did find in the resto-pac the OD was offered with the 4.11. No info on the ratio, though. Thanks, Bill.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.