S2000 Under The Hood S2000 Technical and Mechanical discussions.

Flywheel: resurface or replace

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Old Aug 3, 2012 | 02:30 PM
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Default Flywheel: resurface or replace

Wore out my clutch. There is some scarring on the flywheel. The shop says they want to resurface it.
Any downside to resurfacing? Or just spring for a new replacement.
If replacement, what clutch kit would you recommend?
Not looking for high-performace. Just something that's reasonably priced and appropriate for the S2K. (It's an AP1 with 100k+. Not my daily driver.)
Tx!
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Old Aug 3, 2012 | 02:56 PM
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I mean, its 10 years old, and you have the whole thing pulled apart - why not just put in a new OEM flywheel?
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Old Aug 3, 2012 | 03:17 PM
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I just replaced mine
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Old Aug 3, 2012 | 03:46 PM
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Originally Posted by Saki GT
I mean, its 10 years old, and you have the whole thing pulled apart - why not just put in a new OEM flywheel?
Why do that when you can just resurface the flywheel? Saving $300...
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Old Aug 3, 2012 | 04:47 PM
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^^^^ Exactly.....
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Old Aug 4, 2012 | 10:53 AM
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Originally Posted by gregAP1
Wore out my clutch. There is some scarring on the flywheel. The shop says they want to resurface it.
Any downside to resurfacing? Or just spring for a new replacement.
If replacement, what clutch kit would you recommend?
Not looking for high-performace. Just something that's reasonably priced and appropriate for the S2K. (It's an AP1 with 100k+. Not my daily driver.)
Tx!
Being an engineer-machinist, I made a fixture for my lathe and faced off 8 thou with a nice sharp carbide tipped tool. This method is often frowned upon in favour of grinding. But I have to say my new clutch is as smooth as a very smooth thing!! And a new OEM flywheel here in the UK is £600!
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Old Aug 4, 2012 | 01:08 PM
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local machine shop charged me 35 bucks to resurface mine . unless its cracked why waste money ?
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Old Aug 4, 2012 | 07:13 PM
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is there an issue with the step height if you just resurface and not maintain that spec? I'm just asking and by no means, an expert.

darcy
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Old Aug 4, 2012 | 11:39 PM
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Originally Posted by darcyw
is there an issue with the step height if you just resurface and not maintain that spec? I'm just asking and by no means, an expert.

darcy
Looking at my manual, the wear on the friction plate could be as much as 2.9mm for the thickness of the plate to reach service limit. I wouldn't want to take anywhere near that much off the flywheel when resurfacing. I removed 8 thou(0.2mm) from mine and it's fine, I would have thought you could take maybe 0.5-0.8mm without any issues, as long as the car doesn't have a lot of extra hp. I guess however, the only drawback is that your clutch might start to slip a little earlier than it would with a new flywheel.
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Old Aug 5, 2012 | 06:29 AM
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Originally Posted by paul2011s2000
Originally Posted by darcyw' timestamp='1344136381' post='21913668
is there an issue with the step height if you just resurface and not maintain that spec? I'm just asking and by no means, an expert.

darcy
Looking at my manual, the wear on the friction plate could be as much as 2.9mm for the thickness of the plate to reach service limit. I wouldn't want to take anywhere near that much off the flywheel when resurfacing. I removed 8 thou(0.2mm) from mine and it's fine, I would have thought you could take maybe 0.5-0.8mm without any issues, as long as the car doesn't have a lot of extra hp. I guess however, the only drawback is that your clutch might start to slip a little earlier than it would with a new flywheel.
Why not? The folks at honda are probably smarter than you. 2.9mm is not too much.

OP - just resurface. Cheaper and still within spec, you're golden.
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