Ford F-250 Flywheel problem
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New User
Joined: Jan 2007
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Ford F-250 Flywheel problem
I have a Ford F-250 4wd and although the rest of the truck is a 1986 the engine is a 1989 460 cu in fuel injected V-8. I have been told that engines of that year are externally balanced engines. The transmission is a manual 4-speed (T19) with a 1 1/16" output shaft and the clutch plate is 11" in diameter. The clutch is hydraulic with an external slave cylinder (no adjustment on the rod). This flywheel has been resurfaced at least once before and perhaps a couple of times. When it was removed there was a .050 spacer between it and the crankshaft. I have decided to replace the flywheel on advise from the machine shop.
In an effort to only reassemble once I am in desperate need of having some gray areas cleared up.
First should I go with a new flywheel or a remanufactured? I found a reman locally and it is about a 1/16 of an inch thicker than the removed flywheel and the spacer combined. If I install said reman should I use the .050 spacer between the flywheel and engine? (My guess is probably yes?)
If I were to buy a new flywheel would I need to use the spacer? (My guess is probably not?)
I suppose the concern is what is how far away from the engine should the flywheel be for long life with this hydraulic clutch setup? Perhaps if I knew the thickness of the original flywheel (and if it used the spacer originally) I could go from there?
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Thanks in advance for any help to my conundrum.
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Where would be a good place to find a 'new' flywheel?
In an effort to only reassemble once I am in desperate need of having some gray areas cleared up.
First should I go with a new flywheel or a remanufactured? I found a reman locally and it is about a 1/16 of an inch thicker than the removed flywheel and the spacer combined. If I install said reman should I use the .050 spacer between the flywheel and engine? (My guess is probably yes?)
If I were to buy a new flywheel would I need to use the spacer? (My guess is probably not?)
I suppose the concern is what is how far away from the engine should the flywheel be for long life with this hydraulic clutch setup? Perhaps if I knew the thickness of the original flywheel (and if it used the spacer originally) I could go from there?
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com
fficeffice" /><o></o>Thanks in advance for any help to my conundrum.
<o
></o>Where would be a good place to find a 'new' flywheel?
Elder User
Joined: Mar 2004
Posts: 517
Likes: 2
From: Texas
I don't remember a spacer 0.050 or otherwise between the flywheel and crankshaft. . A remanufactured is just that, resurfaced. The 1989 Fuelie 460 may have had a flexplate with a C6 and the difference was 0.050 when compared to the flywheel, so a spacer was used behind the flywheel to bring it up to the same dimension. I'm guessing here but that is what I suspect.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
6375 460 M/t E.f.i. 1987/89
E7TZ-6375-A Flywheel .. 1987/89 460 EFI M/T (no thickness specified).
Parts Catalog shows no spacer used on flywheel.
Parts Catalog shows no spacer used on flywheel.
Last edited by NumberDummy; Jan 28, 2007 at 04:41 AM.
Post Fiend
Joined: Jan 2000
Posts: 5,330
Likes: 17
From: Dryden, ON, Canada
That spacer must have been installed to make up for the flywheel having been re-surfaced more than once and having at least .050 taken off of it, probably more.
That re-man you've located will probably work just fine installed as is with no spacer.
That re-man you've located will probably work just fine installed as is with no spacer.
