Originally posted by svtProdigy: what was mumms running for diff gears?
Special hardened ring and pinion after stripping several stock sets on road tracks. Not sure what diff they actually ran or it was a custom spool or something... Euro gear set which was closer ratio too. They also had solid motor mounts (made me a set a loooooooooooong time ago) and custom A-arms which eliminated a LOT of wheel hop.
That's probably why they broke their final drive gears. Those will take the brunt of driveline shock if the motor is locked from moving since the final drive has the most play of any of the trans gears.
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