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Old 12-20-2023, 10:29 PM   #2
cwcarpenter98
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Join Date: Jan 2018
Location: Hickory Flat, GA
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Re: Differential still runs rough

Have you checked the pinion angle? I wonder if after lowering the truck, your pinion angle is no longer proper, thus causing a hum.

Your ring and pinion pattern seems ok to me in the first and second pictures.
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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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