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7 members (Gdads51, joe apple, 78buckshot, Hanks custodian, Otto Skorzeny, 1955 1 Series, Rexville48),
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Global Mod,
Mod | | | Forums66 Topics128,070 Posts1,055,896 Members48,428 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Sep 2009 Posts: 5,835 Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT | | Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT Joined: Sep 2009 Posts: 5,835 | Jerry - I haven't yet found a specific GMC manual to confirm, but a 2020 GMC engine conversation in the HAMB made reference to a 1955 Wayne Performance Parts catalog indicating the original 248 deck height is 11.25 inches. Perhaps one of our GMC engine builders can provide more details/confirmation?
~ Dan 1951 Chevy 3 window 3100Follow this story in the DITY Gallery"My Grandpa Carl's Truck and How it Became Mine"1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
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