surface cracked flywheel
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Postmaster
Joined: Jun 2003
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From: shepherd
surface cracked flywheel
has anybody ever had any problems with reusing a flywheel with lots of surface cracks in it, resurfaced or not. i have little money and can not buy a new one and they old ones i see are screwed. i have had 1 good machinist that i use tell me that it would work just fine and a ford tech look at it and say " oh yeah get it resurfaced and reuse it." it is going in a street built stang so i want it to work and not come apart through my car.
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Postmaster
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From: shepherd
it has hot spots too but the machinist said those will clean up and maybe some of the little cracks will get cleaned up too. i am taking it today to show him to see what he thinks now that he will see it
Post Fiend
Joined: Jun 2003
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From: NE Texas
I would first determine how deep the cracks were and go from there. If they are only 0.010" to 0.015" deep it will take a good cleanup pass. If it's more I would check the thickness (don't know factory specs for this) just to make sure it's never been resurfaced before. If it will hold thickness tolerances afterwards - go for it.
I know flywheels that have been resurfaced multiple times, but these surface cracks were just superficial heat cracks and not heat plus stress cracking.
I know flywheels that have been resurfaced multiple times, but these surface cracks were just superficial heat cracks and not heat plus stress cracking.
Senior User
Joined: Nov 2003
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From: Indiana
If you are building a fast Mustang, I'd give serious thought to buying a billet steel flywheel (~$200.00)
It's a lot cheaper than the medical bills after the flywheel comes apart.
It's a lot cheaper than the medical bills after the flywheel comes apart.
Last edited by steell; Mar 1, 2004 at 09:09 PM.
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