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Flywheel Resurface??

70EB

Bronco Guru
Joined
Aug 31, 2003
Messages
1,621
Loc.
Gig Harbor
I am laying th eparts out for the ZF swap and I found the HD flywheel that came with my FMS HD 351/5.8 - 4V crate motor. I never used it, pulled it off and stored it.

There is some light surface rust on it (see pic). Do I need to get it resurfaced or can I run it like it is? I have heard that contamination causes hot spots on the clutch??

Thanks
Bill
 

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gaducker

New Member
Joined
Oct 29, 2006
Messages
58
Loc.
newnan ga
I would have it resurfaced, I say that now because I used one with even less surface rust than that, And I know that because every time I take off how much trouble I could have saved myself by not being so cheap and just spending that 40 bucks. Chris
 
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70EB

70EB

Bronco Guru
Joined
Aug 31, 2003
Messages
1,621
Loc.
Gig Harbor
Probably the wrong term to use. It is a heavy steel flywheel that when i was researching what it was that came with my crate motor, the ford part# was explained as HD flywheel for trucks. Probably just translates into "heavy", which it is.
 

Apogee

Contributor
Bronco Guru
Joined
Nov 26, 2005
Messages
6,221
SeaBiscuit68 said:
You've got me curious, what makes a flywheel HD?

HD = $$$...just kidding. I think it typically refers to a billet flywheel as opposed to one that's been machined from a steel casting...at least that's the terminology I'm used to seeing. I've got a billet steel flywheel on my 429 and the only way you can tell by looking at them typically is that every surface has been machined whereas a cast one will have unfinished surfaces in the non-critical areas.
 
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