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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: Aug 2004 Posts: 476 Moderator | | Moderator Joined: Aug 2004 Posts: 476 | You can just take the speedo and the output gear & housing from the tranny down to the local auto parts store to get a cable figured out. Then, time it with mile-markers and a good watch the way dan-pa is saying. At 60MPH, 1 mile = 1 minute. that will tell you how much error you have, then back to the auto parts store for the correct output gear for the tranny.
Be advised, if you jump too many gear sizes, the housing piece changes too. Be sure you end up with the right speedometer drive gear housing to hold the output gear in the transmission.
Don't lose your head to save a minute,
You need your head, your brains are in it.
Burma-Shave (1947)
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