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Old 10-15-2020, 10:45 AM   #12
cwcarpenter98
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Join Date: Jan 2018
Location: Hickory Flat, GA
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Re: Speedometer recalibration place.

Quote:
Originally Posted by geezer#99 View Post
That’s possible until you hit the point where you need to get into the tailshaft to change the drive gear.
This right here is crucial. I hit that point with my truck. The driven gear number of teeth that I needed ended up not working well at all with the drive gear that's in my transmission. I don't want to pull the tail shaft off since that would require me to also pull the overdrive unit off (it's the same unit), so my speedo reads about 5 mph slow still
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Christian Carpenter

1963 C10 - Frankentruck 283, 3 speed with overdrive
Overdrive wiring here
1963-ish truck bed trailer - Half-Wit

1981 C10 - Penny 305, th350

1995 Dodge Dakota Sport

"I'll put it simple: if you're going hard enough left, you'll find yourself turning right." - Doc Hudson
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