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Click on image for the lowdown. 
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8 members (Guitplayer, klhansen, fonz8261, cmayna, Lightholder's Dad, Hotrod Lincoln, RLB, 52Carl),
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Mod | | | Forums66 Topics128,192 Posts1,057,229 Members48,465 | | 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: Jan 2008 Posts: 4,963 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,963 | If your speedo works and the drive gear and driven gear work in the trans, the easiest way is to correct it is with an adapter. Speedo shops can make them. Find your per cent of error either by using a gps or using the odometer and comparing it to mile markers on the interstate. The 54 GMC parts book lists 75 different adapters. These guys have speedo adapters. http://www.scottspeedometer.com/ | | |
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