The Diffshop is a 20 year old business started by John Gilmore. He and a team during those early years have worked at this one part of the vehicle. The difference about The Diffshop is, to establish a standard of workmanship to be proud of and stand behind all of our attributes.
The Diffshop is & does...
- Differential Specialist
- Rebuild Kits
- Straight cut gear
- Ford 8" / 9" Parts
- GM / Chev 10, 12, 14, Bolts
- Diff Conversions
- Recondition Restoration
- Redline Oil Agent
- Differential Modification
- Locker Units
- Pinion Oil Seals
- Axle Seals
- Ratio Changes
- Insurance Work
- Drift car Setup For Rear Ends
- Plus Lots More
About The Differential
The differential has three jobs:
- To aim the engine power at the wheels
- To act as the final gear reduction in the vehicle, slowing the rotational speed of the transmission one final time before it hits the wheels
- To transmit the power to the wheels while allowing them to rotate at different speeds (This is the one that earned the differential its name.)
Why You Need a Differential
Car wheels spin at different speeds, especially when turning. Since speed is equal to the distance traveled divided by the time it takes to go that distance, the wheels that travel a shorter distance travel at a lower speed. For the non-driven wheels on your car -- the front wheels on a rear-wheel drive car, the back wheels on a front-wheel drive car -- this is not an issue. There is no connection between them, so they spin independently. But the driven wheels are linked together so that a single engine and transmission can turn both wheels. If your car did not have a differential, the wheels would have to be locked together, forced to spin at the same speed. This would make turning difficult and hard on your car: For the car to be able to turn, one tire would have to slip. With modern tires and concrete roads, a great deal of force is required to make a tire slip. That force would have to be transmitted through the axle from one wheel to another, putting a heavy strain on the axle components.
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