Panhead Flywheel / Sprocket shaft question - The Jockey Journal Board

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Old 10-20-2011, 05:45 AM   #1
iflybyu
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Default Panhead Flywheel / Sprocket shaft question

Hi all,

Can I make '64 flywheels work with pre '54 left side case?

If I can, what is involved?

Thanks

Mike
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Old 10-20-2011, 06:09 AM   #2
Cotten
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Default Re: Panhead Flywheel / Sprocket shaft question

Mike!

Yes, but you will need the earlier shaft, rollers and cage, thrustwashers, etc.

Installation is covered in the Service Manual, although worn tapers often benefit from lapping: http://virtualindian.org/10techfly.htm.

....Cotten
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Old 10-20-2011, 08:28 AM   #3
iflybyu
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Default Re: Panhead Flywheel / Sprocket shaft question

Cotton,

SO the older shaft will work with the newer flywheels? I thought the angles at the flywheel were different between the two shafts?

I am at sea right now and don't have access to my manuals, but would like to order what is needed to make this work so I can get at it when I get home.

Mike
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Old 10-20-2011, 10:09 AM   #4
Rubone
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Default Re: Panhead Flywheel / Sprocket shaft question

The answer is no! You cannot put an early left shaft in '55 and later flywheels. The hole in the left flywheel is physically larger and impossible to bolt together. The machined surface is also wrong for end play washers, etc.
Robbie
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Old 10-20-2011, 11:03 AM   #5
jbfrmca
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Default Re: Panhead Flywheel / Sprocket shaft question

Quote:
Originally Posted by Cotten View Post
Mike!

Yes, but you will need the earlier shaft, rollers and cage, thrustwashers, etc.

Installation is covered in the Service Manual, although worn tapers often benefit from lapping: http://virtualindian.org/10techfly.htm.

....Cotten
thank you for posting that link. some very usefull information.
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Old 10-20-2011, 11:40 AM   #6
dudleysbasement
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Default Re: Panhead Flywheel / Sprocket shaft question

the earlier sproket shaft wont work in a later flywheel but if you had to you can use a pinion side wheel for a sproket shaft wheel . tapers are the same on both wheels in early motors but you will have to rebalance it

Last edited by dudleysbasement; 10-20-2011 at 02:00 PM. Reason: ?
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Old 10-20-2011, 12:50 PM   #7
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Default Re: Panhead Flywheel / Sprocket shaft question

Doh!

I don't know why I was thinking pinions instead of sprockets so early in the morning.
With a one-year-only taper'd '55 on the bench, I have no excuse.

I might as well go back to Peoria.

.....Cotten
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Old 10-20-2011, 03:36 PM   #8
vtwinmotors
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Default Re: Panhead Flywheel / Sprocket shaft question

I remember guys talking about useing 2 right flywheels back in the day for hot rod reasons. Good luck on your project.
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