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Re: Clifford the Big Red Truck~~The Build
So the old truck had a 10 bolt with 3:73's with an eaton diff. When I bought this new frame to start the build, it ha a 12 bolt. I decided to run that since we were switching to a manual. I know some folks swear by the strength of a 10 bolt, but I decided to go with the 12. I already had Wilwoods on the 10 bolt so i just switched them over.
The 12 bolt has 3.42 gears, eaton diff and all new bearings and seals.
I also switched out the wheel studs to longer ones. When I put the disc brakes on the rear, I didn't like the length of the studs. I never got around to changing them on the 10 bolt, but did on the 12. The original studs are a .535 knurl, these are a .547 knurl (dorman part number 610-298.) You will need a 17/32 drill bit to open the axles up. They have a small shoulder on them, so make sure your wheels will cooperate. I also had to drill the brake hats out to fit over them.
I also cut off the shock mounts on the rearend because I'm using the ride tech rear 4 link suspension and I won't need em.
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