Flywheel service limitations.

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circlepilot

circlepilot

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El Dorado, Arkansas
1965 Barracuda, 225 /6 904 conversion to an A833 4S.
I have in front of me my 1965 Plymouth Service Technical Manual Models AV-1, AV-2, AR-1, AR-2, AP-1, AP-2. (81-570-5450)
I've been through the group index, The index (rear of manual") practically page by page. No where is the fly wheel discussed, other than the tightening torque for the fly wheel mounting bolts. 60ft. pounds, and to mark an index on the clutch cover (pressure plate) if it is to reinstall after removal. I'm looking for "service limitations and balancing requirements. The fly wheel I have has no grooves, or gouges on it, just what appears to be dark discoloration from sitting a long time and some minor pitting near one of the bolt holes. If anything, it seems to be glazed. Would it be feasible to "break the glaze" with a 100-180 grit 3" disc"? Or does it need reserviced? Thats where the service limits question comes in. There is a new starter ring going on it and a new Zoom 10" clutch.
Norm

Fly Wheel.jpg
 
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FWIW if you throw it in with just a light sanding and it chatters you either live with the chatter or it all comes apart.. My local shop charges $45 to surface a flywheel... My labor to R&R a trans is worth a lot more than the cost to surface a flywheel...
 
1WildRT said:
FWIW if you throw it in with just a light sanding and it chatters you either live with the chatter or it all comes apart.. My local shop charges $45 to surface a flywheel... My labor to R&R a trans is worth a lot more than the cost to surface a flywheel...
Click to expand...
It's like what my dad used to tell me..."you had an idea about what the answer would be, but you just had to ask; right?"
It maybe something I got from watching Roadkill or from living in Arkansas for 40 years. :rolleyes: It will be going to the machine shop tomorrow.
Thanks Norm
 
fwiw, we were discussing this in another thread not too long ago and the consensus was that there wasn't an official service limit spec.

mine looked about like that and i sent it out for a cut. snapped back together with the zoom clutch and it's nice and smooth.
 
After spending the money for all these parts…. Flywheel resurfacing should not be skipped. Regardless of what it looks like. The surface could be wavy or the flywheel junk because the hard spots just will not machine out. I don’t know if you know the history of this flywheel and I certainly don’t. But this part is 60 years old- why chance it.
 
I agree. Have it surfaced enough to just clean it up.
 
I'll also add balance it. Then have them install the pressure plate then index and balance the pressure plate. Then center the bellhousing on the crank. It will run so smooth and shift great.
 
I’m a big fan of steel fly wheels, while expensive and this would be custom because of it’s smaller size, my feet are priceless.
 
Trust me on this one. Those 9 1/4 dia. clutch flywheels were infamous for having hard spots and it still needs the teeth/ring replaced just buy the new one.
 
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