Lighter flywheel? - Page 2 - Fuelly Forums

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Old 08-18-2007, 08:25 PM   #11
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I agree that one should not shift without the clutch. It's there for a reason. I rev match all my shifts, it makes for a smoother ride for me and passengers, and is more gentle on the transmission.

TomO, did you just use an engine lathe to turn yours down? I've got access to a 13" engine lathe if I need it. How much runout is permissible?
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Old 08-18-2007, 09:09 PM   #12
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It was a CNC lathe. What my friend and I did (he was the one running the machine) was we took off all the backing weight on the OEM flywheel. basically it's all the dead, non-functional weight that Honda put on the back-side. It's the same place they remove some excess weight for the VX flywheel as well. It's been going on 3-4 years now with 262HP and 213ft/lbs of torque going through that lightened flywheel. Recently inspected, it showed no signs of stress fractures or heat scorching even with a 6 puck sprung clutch kit on it.
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Old 08-19-2007, 12:08 PM   #13
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So how thick is it now?
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Old 08-19-2007, 12:58 PM   #14
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Basically the thickness of the teeth on the flywheel and the mounting surface for the crank.
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