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-   -   Alternator Belt (http://www.clubcobra.com/forums/all-cobra-talk/138888-alternator-belt.html)

bobcowan 07-15-2017 01:48 PM

Alternator Belt
 
I'm trying to make a custom alternator mount. Like everything on this build, it'd a PITA.

There's really no room anywhere for the stock Coyote alternator. So I'm mounting a mini 80A racing alternator where the AC compressor used to be. It's a tight fit, but I think it will work.

The alternator has a V belt pulley. The Coyote, of course, does not. Can I put a standard V belt over the Coyote serpentine pulley?

I'm thinking the answer is NO, it will allow the belt to walk, and throw the belt off the alternator pulley.

Second question is, where can I find serpentine belts listed by lengths? I only need a 32" belt. Something close to a stock AC belt would be about right.

strictlypersonl 07-15-2017 02:11 PM

You can probably find a grooved pulley to fit your alternator. Measure your shaft size and search on Jegs or Summit.

spdbrake 07-15-2017 02:20 PM

This is a list of Gates 6 rib serpentine belts.
http://www.gates.com/oreilly/PDFs/SizeListings.pdf
The 13/16” (20 mm) Top Width section should be the area on the chart you're looking for
If you run a string around the the routing of the pulleys (includng the tensioner) then subtract .75"- 1.0" for the tensioner.
The alternator V pulley can be swapped for 6 rib pulley. This list will give you shaft dia and offset dimensions.
6 Groove Serpentine Alternator Pulleys

bobcowan 07-15-2017 08:16 PM

Quote:

Originally Posted by spdbrake (Post 1426237)
This is a list of Gates 6 rib serpentine belts.
http://www.gates.com/oreilly/PDFs/SizeListings.pdf
The 13/16” (20 mm) Top Width section should be the area on the chart you're looking for

Perfect! That's exactly what I needed. Thanx, man. :)


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