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Lightening of the flywheel


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  On 11/4/2019 at 1:12 AM, SoCalJim said:

Thanks Leon!  I’m going to stop thinking!

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  On 11/4/2019 at 2:19 AM, siteunseen said:

Leon V suggested the cheap stock oem clutch and pressure plate was fine, and it was/is. Exedy 6009 I think from amazon, $100. Works great. Thanks again @LeonV

Saved me some $. I was about to go with a $300 stage 3 kit from Center Force.

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??

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  On 11/4/2019 at 2:19 AM, siteunseen said:

Leon V suggested the cheap stock oem clutch and pressure plate was fine, and it was/is. Exedy 6009 I think from amazon, $100. Works great. Thanks again @LeonV

Saved me some $. I was about to go with a $300 stage 3 kit from Center Force.

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That's what I run in my racecar.  It has worked great.

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How loud are these lightened flywheels?  I've heard they make a noise similar to a diesel truck?

Are there any lighter double mass flywheels (stock style) that are lighter which would eliminate the chatter (I can't find any)?

Edited by chaseincats
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  On 11/6/2019 at 2:40 PM, chaseincats said:

How loud are these lightened flywheels?  I've heard they make a noise similar to a diesel truck?

Are there any lighter double mass flywheels (stock style) that are lighter which would eliminate the chatter (I can't find any)?

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Never heard that before.

Get your OE one cut and lightened. Thats the cheaper route.

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  On 11/6/2019 at 4:14 PM, siteunseen said:

Never heard that before.

Get your OE one cut and lightened. Thats the cheaper route.

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This is an extreme example of the single mass (light) flywheel noise - https://www.youtube.com/watch?v=3vUdmshAsYM&t=20s

I've heard shaving down the OE flywheel can weaken it to the point it may shatter if done improperly - is this true?

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  On 11/6/2019 at 4:31 PM, chaseincats said:

I've heard shaving down the OE flywheel can weaken it to the point it may shatter if done improperly - is this true?

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Sure, if done improperly or too much is taken off, it's the kind of job you want the oldest guy in the shop to do and know that he does it often.

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  On 11/7/2019 at 3:51 AM, LeonV said:

Stock flywheels are single mass, dual mass flywheels were not around when these cars were built. A light one won't be any more noisy than OEM.

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Ah ok, good to know.  Is the transmission chatter then a thing that happens when putting a single mass flywheel on a car designed for a double?

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