Will be installing a CenterForce II in my '71 M-code. CenterForce says to always resurface the flywheel. Some people tell me to never resurface the flywheel as it makes it thinner and more prone to warp. Or should it just be replaced? The clutch, bearing and disc cost just under $330 :)
If the Machine shop doing the resurfacing is competent, there should be NO problems, I resurface my flywheels each time I replace a clutch. Making it thinner and more prone to warping is not an issue if it is done correctly.
Two edged sword.... with a mechanical clutch linkage, there were never some of the concerns we saw with early hydraulic linkages and the inability to release the clutch after machining....
However, adjustment allowing, we can reduce the rotating mass of the flywheel through weight reduction at the cost of increasing fragility reduced mass means increased thermal effects. This is nit-picking at it's best....
In the shop.... the condition of the flywheel detemines whether I will deglaze, machine or replace it.
The only thing that I might "write in stone" is the admonishment to never write anything in stone....
I had 140k miles on mine, they resurfaced it, and now its great, new clutch, new rebuilt engine. No problems
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