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Crank pulley & AC belt issue


Dustin_89BII

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Hi folks,

rebuilt a 2.9 and got it installed. Added back the factory ac that’s been missing since I bought the truck.

I have a 2-groove pulley on the crank, but need a 3-groove to run the ac belt in the stock configuration (see pic).

I instead got a smaller belt and have the ac pulley running off of the cam pulley only — instead of crank and cam. I didn’t realize that I need a 3-groove to set it up stock…

MY QUESTION:
Will this be ok from running the Ac compressor or will it cause stress and damage somehow?

thanks!

375845B5-50A8-463F-92F8-B63507A83CCB.jpeg
E913AC91-52AE-4B59-97D6-BB810DB42AB6.jpeg
37BCFE33-6AC3-4DB4-BA1B-C59B7D6A567C.jpeg
 


RonD

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No, that won't work, need to find that 3rd pulley crank setup

Not sure if this is what you need, looks like it could bolt inside the stock 2 pulley unit

Part number: E37E-6312-BA
 
Last edited:

2 bronco 11s

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Yes it bolts inside. Probably junk yard time .
 

2 bronco 11s

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Several on Evil bay
 

Dustin_89BII

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4WD
Thanks you two! I found one at the local junk yard today 🍀

cheers
 

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