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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