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  #1 (permalink)  
Old 06-17-2019, 01:04 PM
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Default pilot bearing for a 391 crank

Has anyone used a 391 truck crank in a 427 FE? I'm trying to find a pilot bearing that would work with a TKO 600.
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Old 06-17-2019, 01:27 PM
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Quite frequently.

I machine an adapter so you can use a regular FE bushing or bearing. Otherwise you can use a regular FT bushing.
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Old 06-17-2019, 07:53 PM
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I swapped my top loader for a T-5 in my '66 Fairlane last week. I have a 390 motor. I bought a bronze bushing from O'Reilly's part store for $7.

I think the T-5 and TKO input shafts are the same size.

And a buddy of mine told me after the fact that roller bearings are available for the 390 crank.

Hammered in it and I have put over 300 miles on the car this weekend with no problems
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Last edited by Dwight; 06-17-2019 at 07:55 PM.. Reason: add comment
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Old 06-18-2019, 01:30 AM
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The 391 crank is a different animal and doesn’t take normal FE bushings.
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Old 06-18-2019, 02:25 AM
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Quote:
Originally Posted by blykins View Post
The 391 crank is a different animal and doesn’t take normal FE bushings.
Not to mention the crank nose diameter that will need to be addressed if an FE damper is used.
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Old 06-18-2019, 05:55 AM
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My buddy found three 391 motor / blocks locally last week. He is looking to use one for a motor in his '66 F100.

blykins can he use the 391 block and a 390 crank?
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Old 06-18-2019, 07:48 AM
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Yes, but FT blocks need to be bushed for the different sized distributor shaft.
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Old 06-18-2019, 06:01 PM
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Thanks

we knew about the bushing for the distributor
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