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Old 06-03-2002, 16:01   #1 (permalink)
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flywheel lightening

Is it worth lightening the flywheel before putting the gearbox in. I should be getting it machined and was wondering what the benifits if any on an ea?

I think improved acceleration, but ruff idle.
And dont paticluary want to make my idle 2 ruff just yet.
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Old 06-03-2002, 17:45   #2 (permalink)
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From what I've been told, lightening the flywheel will increase power (as the engine doesn't have rotate a big heavy flywheel), but decrease torque at low revs (due to the loss of rotational momentum that the engines has courtesy of the heavier flywheel).

A mate of mine lightened his flywheel in his XD and the decrease in torque was significant - the thing used to struggle up hills!


Hope this helps.


Dave
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Old 06-03-2002, 17:59   #3 (permalink)
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Yea good point didnt think of that one at all, wouldnt u lose top end as well as, or would this be increased due to less mass of flywheel at higher engine rpm. But the benifits really dont look worth it atm, a higher diff ratio would bring more benifits, with less negative effects.
thanx Dave
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Old 06-03-2002, 22:28   #4 (permalink)
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I think it would rev a little quicker. Idealy you want to balance it with the crank, etc to help reduce the vibration.
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Old 06-04-2002, 05:54   #5 (permalink)
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Yes it's more of an acceleration thing,quicker to rev,more acceleration.Lighter flywheel is like taking weight out of body only makes more difference at flywheel..
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Old 06-06-2002, 01:16   #6 (permalink)
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MAD ea s, did u manage to get that other car after all???? or did u just get a manual???
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