Cosmo Alt.& Pullies on FC
10-25-08, 09:08 AM
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Cosmo Alt.& Pullies on FC
hey just thought I would share a project that I did. I replaced my old s4 alternator with a Cosmo (20b) alternator. I am now seeing about 14.1 volts at idle, and about 13.7 with loads on at idle. I also ditched the v-belt pullies, and replaced them with cosmo serp belt pullies. Cleans it up some, and the serp belt seems to do a much better job then the older v-belts. I am seeing lower coolant temps now with this setup. Enjoy!
10-25-08, 11:44 AM
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what makes it not bolt-on? custom bracket for like the cosmo ps pump? seems like a cool setup but i want to keep p/s. my a/c and smog is gone though.
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10-25-08, 12:49 PM
#8
stock cosmo uses v-belts for PS, AC, and smog.
I dont know anything about the smog bracket because I never tried it.
The problem with the v-belts on the cosmo set up is they dont line up at all with a FC's PS and AC bracket, so you have to modify the PS and AC bracket, since Im using a PS delete bracket I opted to go all ribbed belts and use a FD ac compressor and tensioner on my modified AC bracket, we had to weld material to the bracket, then drill and tap it so the compressor could bolt on.
All this is much easier to do with the engine out of the car.
BTW- ribbed belt would be a more accurate description of this mod as a serpentine belt is generally thought of as a single belt for all accessories.
This was my first attemp at the cosmo pulleys, you can see the main pulley has 2 ribbed pulleys and 2 v-belt pulleys.
I dont know anything about the smog bracket because I never tried it.
The problem with the v-belts on the cosmo set up is they dont line up at all with a FC's PS and AC bracket, so you have to modify the PS and AC bracket, since Im using a PS delete bracket I opted to go all ribbed belts and use a FD ac compressor and tensioner on my modified AC bracket, we had to weld material to the bracket, then drill and tap it so the compressor could bolt on.
All this is much easier to do with the engine out of the car.
BTW- ribbed belt would be a more accurate description of this mod as a serpentine belt is generally thought of as a single belt for all accessories.
This was my first attemp at the cosmo pulleys, you can see the main pulley has 2 ribbed pulleys and 2 v-belt pulleys.
