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Old 11-05-2010, 04:14 AM   #1
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Default Gear diff database...

I thought it might be a good idea to share some data on gear diffs so we can get the handful that are on the market to fit a wider variety of cars.

Useful dimensions would be...

- Width between bearing inner faces
- Bearing dimensions
- Pulley size/fitting
- Pulley offset (to centre of pulley from bearing inner face)
- Notes on use

Anyone care to contribute?
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Old 11-05-2010, 07:26 AM   #2
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i'll support the cause by starting a list of currently available gear diffs. unfortunately, i don't have the dimensions on any just yet. here's what i can think of in terms of ep cars:

serpent (401) - 35t
3racing (sakura) - 37&38t
spec-r (416) - 37t
spec-r (t3) - 38t
spec-r (bd-5) - 40t
top (photon) - 40t

probably missing some already .. like the old hpi pro/pro2 gear diffs that weren't sealed and were generally garbage, but that should get it started. good thread.
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Old 11-05-2010, 09:07 AM   #3
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Default gear diff

One thing to also consider is that with the gear diff design for the photon you can modify other pulleys to fit on it and into other cars that gear diffs are not available for. That design gives you multiple pulley possibilities; however do not know how it performs compared to the other manufacturer designs. I am looking to modify one to fit in my corally just to have it as an option.
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