S2000 Under The Hood S2000 Technical and Mechanical discussions.

Resurfacing Flywheel?

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Old Jul 11, 2010 | 09:09 AM
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Default Resurfacing Flywheel?

Hey everyone,

I'm having some issues shifting into gears and I believe it may be a broken spring in the clutch, so I'm going to get a clutch job done. I've contacted a shop to get a quote for work and they asked if they wanted me to get a new flywheel or get the stock one resurfaced.

I called a local Honda Dealer and asked a tech if resurfacing would be okay but he wasn't very sure.

Is there anything wrong with getting the flywheel resurfaced?

TIA
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Old Jul 11, 2010 | 09:41 AM
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As long as the machine shop can pull the pins and do a two step resurface you are good.
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Old Jul 12, 2010 | 07:13 PM
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What does that mean? I have never heard of that before, and just curious?
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Old Jul 12, 2010 | 07:14 PM
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Make sure you find and provide the specs for the step. It's not in the manual and I haven't seen them on this site.
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Old Jul 13, 2010 | 06:02 AM
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Had my Flywheel resurfaced when I put in my new SOS clutch in. Put over 7k on the clutch so far and no problems, pulls and drives hard! Currently at 65k
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Old Jul 13, 2010 | 06:47 AM
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You dont need specs.

Any good machine shop can measure the original step height from the small unused portion of the friction surface.

Basically, what ever you take off the friction surface, you have to take off the "step" (part of the flywheel where the PP bolts too. 3 dowel pins must be removed to do so)
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Old Jul 14, 2010 | 07:00 AM
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so how much longer would the flywheel be good for after resurfacing at 95k mi?
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Old Jul 14, 2010 | 07:30 AM
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Originally Posted by IlleztImportz,Jul 14 2010, 07:00 AM
so how much longer would the flywheel be good for after resurfacing at 95k mi?
Probably longer than your car and/or engine would last.
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Old Feb 24, 2020 | 08:11 AM
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I don't mean to dig up an old thread but is the final consensus that a good machine shop SHOULD be able to machine it correctly? I've searched for the last two days and have only seen those mentioning that they've heard something elsewhere. Does anyone have a link to the thread with the finer details? Obviously buying a new flywheel would be BEST but the same argument could be made for upgrading the exhaust side valve retainers.
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Old Feb 24, 2020 | 09:30 AM
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Resurfacing a flywheel is a normal everyday machine shop task. There is nothing particularly special about the S flywheel that makes this any different than any other flywheel job. Any competent machine shop can just be handed the flywheel and asked to resurface it.

If its an ap2, this is a golden opportunity to dump the 22 lb boat anchor and replace it with a used ap1 (14 lb) or aftermarket light weight, typically around 8 lb for 'race' version, or 11 lb for 'street'. Many run 8 on street without issues.
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