fan belt?

[derek costello]

what is the 5/8" belt length for a 8ba for typical crank- water pumps-generator arrangement ??

[leon bee]

You can check Rock Auto to get a brand and part number, then go to the manufacturer's site.

[leon bee]

Such as: Gates TR0544........54.73" outside circumference.

[Tinker]

A decent way to quick check a belt size is with a piece of string. Mark were they meet and measure it. Works for anything with a belt.




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[19Fordy]

I found that the Rock Auto Website gives the length of the fan belts. I think the truck belts were 5/8" wide.
Plug in the numbers for your vehicle and see what you can find.
https://www.rockauto.com/en/catalog/...rive,belt,8900

[leon bee]

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You know, when I'm looking for something old or odd I've noticed that the new young guys up at my NAPA will click over to Rock Auto to find clues.

[flatheadmurre]

Or just walk into the local farm supply and get a B-52 belt.
It depends a little on what pulley you have on the generator a low rev high charger generator has a smaller diameter and there is a bigger then normal one to...but usually B-52 fits nicely.
Trying to order one on model here would be an adventure...lol

[a36bonanza]

I'm using Gates BX52 and Gates BX35 on my 8BA

[marko39]

Originally Posted by leon bee

Such as: Gates TR0544........54.73" outside circumference.

The way to figure a B belt size is B size plus 3 inches equals true length. Thus,54.73 is a B52 belt. For an A belt the difference is 2 inches. Mark

[Ford Freak]

Hey guys ! Any of you ever use a (single) 1/2 belt w/the 5/8 pullys on the crank , waterpumps , & alternator ? Just wondering if it would work ok ....

[JayChicago]

I believe a 1/2” belt in the 5/8 pulleys would work, but NOT ok. A belt should bite the pulley with the sides of the belt. The belt should not be at the bottom of the pulley, and I think that’s what you would have with a 1/2” belt.

[Ford Freak]

Jay - Yeah , that males sense . I just thought it might make mine less " squeaky" . Thanks for the quick answer ! - F F

[48 fordor]

I have my 48 crankshaft pulley off and took a narrow belt, wrapped around it and there is about an 1/8 inch off the bottom of the pulley. I am looking at driving a type ll power steering pump off the front pulley. I cant find a narrow belt pulley for the front or a wide belt pulley for the type ll. Any ideas?

[flatheadmurre]

Problem is that a narrower belt can´t handle the same amount of power and not wear out faster.
And you need enought length of the belt to make contact with the pulley.
I´ve seen setups where you ad PS and AC on top which makes the belt barely touch the waterpump...not the best solution.
Making a custom widebelt pulley for the PS pump is one way of solving it...

[48 fordor]

Thanks for the input, I thought that would be the best way to go.

[marko39]

Originally Posted by 48 fordor

Thanks for the input, I thought that would be the best way to go.

I have dozens of different pulleys and may be able to help you. These are commercial and I have used them on a couple engines. The main thing would .be the shaft size which can be dealt with.

[19Fordy]

Nice to see that a36bonanza provided the answer.