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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!
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| | | | Joined: Nov 2012 Posts: 185 'Bolter | | 'Bolter Joined: Nov 2012 Posts: 185 | It seems that my speedo works perfectly up to 40 mph, after that it shows a way higher speed than the truck is actually going. I have p185-75r14 front and p235-75r15 rear. Odometer works fine. Have a 283 with turbo 350 tranny. Any suggestions to remedy this problems, thanks HUGH | | | | | Joined: Nov 2006 Posts: 247 'Bolter | | 'Bolter Joined: Nov 2006 Posts: 247 | I would say that you have a problem with your speedometer. You didn't say what year of truck or if you are using the original dash. If it is a older vehicle that uses a speedometer cable from the transmission and your odometer works and is accurate, the speedometer probably needs to be sent to a speedometer shop to be repaired or recalibrated.
Hope that helps.
Jim | | |
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