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Old 07-28-2020, 08:29 AM   #1
denns1989
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Default "8BA" Crank Pulley Car/Truck Inquiry

I had this post earlier:

https://www.fordbarn.com/forum/showt...91#post1899791

I have since discovered that the incorrect crank pulley nut was used (basically it would almost pass thru the bore of the pulley !) Currently I don't have a spare truck pulley but I do have a 52 Merc Car pulley, It appears the bolt & washer from the merc engine are what I need on the motor (they are all the same for that era it appears, obviously the Merc pulley is a narrow belt pulley, is the spacing the same from a 52 truck motor to a 52 car motor for example ? I assume the merc pulley will fit on my motor, wondering if I could just run narrow belts, but not sure if the car crank pulley belt grooves align to the truck water pumps, fan & genny, I don't think the wide truck pulleys will care if a narrow belt is running in them, but the offset is a whole other issue... The 52 pulley is an hour away from me right now so I thought I would do some pre investigation.
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Old 07-28-2020, 08:57 AM   #2
flatford8
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Default Re: "8BA" Crank Pulley Car/Truck Inquiry

A v-belt grips by the sides of the belt. A narrow belt running in a wide pulley may be ok to “get you home” but I don’t think it’s gonna work for a long period. Should be plenty of those pulleys around.......Mark
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Old 07-28-2020, 10:24 AM   #3
super flat
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Default Re: "8BA" Crank Pulley Car/Truck Inquiry

Dennis if you can not find one locally I will pull one and send it to you! I am Roadster1927 on the hamb. Gary
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Old 07-28-2020, 01:09 PM   #4
denns1989
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Default Re: "8BA" Crank Pulley Car/Truck Inquiry

Quote:
Originally Posted by super flat View Post
Dennis if you can not find one locally I will pull one and send it to you! I am Roadster1927 on the hamb. Gary
Thanks Gary ! I will let you know, much appreciated.
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Old 07-28-2020, 02:43 PM   #5
19Fordy
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Default Re: "8BA" Crank Pulley Car/Truck Inquiry

All pulleys need to be the same size to match.
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Old 08-17-2020, 08:55 AM   #6
denns1989
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Default Re: "8BA" Crank Pulley Car/Truck Inquiry

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Sourced the correct pulley including proper 7/8" bolt with washer from a "bush find" truck motor - All back together & working properly.
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