Thread: KS10 rear end
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Old 06-25-2020, 05:21 PM   #10
cwcarpenter98
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Join Date: Jan 2018
Location: Hickory Flat, GA
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Re: KS10 rear end

TH350 will not change anything. If you decide to change transmissions, you need to go with an overdrive transmission to drop the revs down. Just a transmission change might not drop the revs enough for your liking, but an overdrive trans with 4.10 gears would be a pretty good setup.

Also, if you decide to keep the original rear and go with some 4.10s, you could have the 3rd member set up by a shop if you didn't want to do it yourself, and you wouldn't have to pull the entire axle from the truck. The pinion and ring gears are set up together in the 3rd member
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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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