Quote:
Originally Posted by suicideneil
1. The pro gears are truggy ratio, which means you would have to use a much larger pinion/ smaller spur than normal to get the desired gear ratio for any given speed; normal buggy ratio non-pro diffs only need a pinion 1 tooth larger than compared to the normal emaxx diffs. Get the non-pro ones.
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I'm not sure about this. I have a pro 2 evo and it has standard buggy ratio, but all the gears are a different metal, some kind of special hardened steel or something comapred to the normal ones.
Hardened Diffs
Diff pinion
Diff ring gear
Notice the 'standard' and 'option' part listings.