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Old 06-16-2007, 04:27 PM
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M21 clutch combos

Hi everyone I have an 81 Z28 with a mild 406 that will be going into it,the rear has a 3:42 and 26 inch tall tires ,it had a luk diaphram setup in it that worked well with the 355 that was in it.
My question is should I stay with the Luk unit which from what I was told is what GM 's came and still come with, and will it take the higher torque from the 406 or should I try another brand name ie Hays Centerforce etc,as well would a lightweight aluminum flywheel serve me better or should I stay with a steel one. The car will be strictly street driven therefore streetability is a major concern and taken on trips as well . Any input will be thankfully received and faithfully applied.

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Old 06-17-2007, 08:34 PM
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I'd stay with the heavy flywheel for a street car. You'll have enough trouble getting it started from a dead stop with the gearing the way it is, and a light flywheel will just make it worse.
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Old 06-18-2007, 07:52 PM
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Quote:
Originally Posted by jimfulco
I'd stay with the heavy flywheel for a street car. You'll have enough trouble getting it started from a dead stop with the gearing the way it is, and a light flywheel will just make it worse.
Thanks for input
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