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Old 08-31-2015, 12:13 PM   #1
Sly
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Default Transmission - Main Drive Gear

Hi,

does anybody know the exact diameter of the top pin (which goes into the clutch) from the Main Drive gear - new part - (please see attached picture)?

I need to check if my one is to much worn or not.

Thanks in advance...
stefan
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Old 08-31-2015, 01:04 PM   #2
Mitch//pa
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Default Re: Transmission - Main Drive Gear

the dimensions of
the pilot bearing bore is
0.6693 inch (17.000 mm
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Old 08-31-2015, 01:11 PM   #3
Mitch//pa
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Default Re: Transmission - Main Drive Gear

here is some addtl info

http://fordbarn.com/forum/showthread...ht=Input+shaft
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Old 09-01-2015, 08:58 AM   #4
JohnLaVoy
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Default Re: Transmission - Main Drive Gear

They sell new ones that are very well made.
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Old 09-01-2015, 04:20 PM   #5
Bob/Kansas City
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Default Re: Transmission - Main Drive Gear

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The diameter of the end of the shaft where it goes into the pilot bearing should be .668". If there's more than about .001 or .002" of wear it should be replaced.
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