The Smurf a 1964 GMC Truck

Transmission and Drivetrain

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       After quite a bit of thinking am changing to another engine now lol. I bought a used cummins 24v turbo diesel engine and plan and fitting it in to the truck and get it placed so I can get her driveable. Will be posting plenty of pics of brackets, mods, and other assorted things being done to make this happen.    The axle itself is a dana 60 heavy duty unit and has been rebuilt  by a drive train shop here locally. They replaced the original trac loc system with a newer model made by Detroit Locker. It is about 25% stronger than the original units produced in the optional axles used in these trucks. They are going to install a reinforced center carrier bearing and extreme duty 1350 u joints from the semi style trucks.
The gears are the original 4.56 gears that were stock for the truck. I am not expecting miracles in gas mileage even with overdrive, but, it will make the truck fairly agile in getting going from a dead stop without too much heavy pedal.  Will be posting pictures of the allison transmission when I get it this next weekend from my brother. He found me a slightly damaged bellhousing allison 6 speed from a late model chevy truck for 500$.

Below are some pictures of the rear axle before and after the rebuild was done. Again the powder coating was worth it for only 45$. Couldnt get a paint shop to do it for that little. That and the powder coating lasts much longer than paint ever hopes to.

reaxlepc.jpg

rear2.jpg

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