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Old 03-19-2012, 04:36 AM   #1
iflybyu
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Default What is required????

What is required to run a 77 shovelhead with a 1964 kick only transmission?

THanks

Mike
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Old 03-19-2012, 05:00 AM   #2
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Default Re: What is required????

a 64 kick only tranny will have a shorter main shaft, so you will ahve to change mainshaft
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Old 03-19-2012, 07:52 AM   #3
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Default Re: What is required????

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Originally Posted by MarkRado View Post
a 64 kick only tranny will have a shorter main shaft, so you will ahve to change mainshaft

Perhaps not......


http://www.andrewsproducts.com/PDF_f...hafts-pg31.pdf
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Old 03-19-2012, 06:34 AM   #4
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Default Re: What is required????

Thanks.
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Old 03-19-2012, 08:02 AM   #5
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Default Re: What is required????

Perhaps sell the older transmission and get a model that matches engine.
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Old 03-19-2012, 09:53 AM   #6
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Default Re: What is required????

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Perhaps sell the older transmission and get a model that matches engine.
This is probably the best suggestion. From the panhead to your '77, Harley moved the primary drive outward twice. Once in '65 for the electric start and again in '70 to clear the alternator. Both changes required a longer transmission mainshaft. In Harley's case they also added a support bearing outboard of the countershaft sprocket.

You could achieve alignment by just changing to the later style mainshaft in the trans, but it leaves the weight and stress of the clutch assembly out quite a ways and unsupported. This will cause the bearing in the trans to wear prematurely and can actually break the trans case or the mainshaft.

The easiest way is to find a '70 or later shovelhead trans. You could also look for a '65-e'79 trans case and swap your trans parts into it, save for the longer mainshaft and a few other minor parts.

Fortunately, the '64 trans is something that, if you couldn't find a straight across swap, you could certainly sell for enough to cover the cost of the more suitable later model trans.
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Old 03-20-2012, 09:53 AM   #7
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Default Re: What is required????

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Perhaps sell the older transmission and get a model that matches engine.

^^ This is great advice^^

Would be plug and play instead of mega work and mods...
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Old 03-19-2012, 10:51 AM   #8
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Default Re: What is required????

Thank again for all the info..not sure what option I will go with. I may look for a later model tranny, but I think i will keep the 64 trannny for another project.

Mike
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Old 03-19-2012, 07:11 PM   #9
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Default Re: What is required????

Quote:
Originally Posted by iflybyu View Post
Thank again for all the info..not sure what option I will go with. I may look for a later model tranny, but I think i will keep the 64 trannny for another project.

Mike

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Old 03-19-2012, 07:19 PM   #10
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To my vision is usually blurred.....
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Old 03-19-2012, 11:19 PM   #11
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Default Re: What is required????

If you don't want to change yor main shaft seal evert 28 days or so you need to. Buy a shovel tranny case and mainshaft. Use every thing except the early case and mainshaft. Another 45 bucks all new bearings and seals. Then you will have a new rebuilt tranny that fits your bike . Or use the early tranny and mess with it all summer. Just my .02

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Old 03-20-2012, 07:32 AM   #12
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Default Re: What is required????

Great info again...never ceases to amaze me here...
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