What gear ratio for a street car w/occasional track use?

mbaird said

I would have thought that stock flywheels fracturing would be the main culprit but I have never witnessed it happen.

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Cranks break, blocks split, balance jobs have been neglected, wrong flywheel... all those things happening at the track, harsh *** conditions compared to daily driver grocery getter...and added to the clutch plates that yellow rose stated and the rest.

That's why they have proof bell housings, shields and blankets. All of our cool hot rod'r catalog bolt ons , parts n pieces come from racing development.