A few more HP

Joey Allen

Joey Allen

MUNCHKIN
While driving to work today I pondered on a way to make just a few more horsepower. Here's what I thought and I'm sure someone else has already done or thought this. If you put a belt on your motor that bypassed the A/C, taking away that small amount of drag from turning the compressor.

Would this make some if any difference?....................
 
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BillC

New member
If you aren't using your a/c, then the spinning pulley won't take that much horsepower (may not even be measurable, compared to the drag from all the other pulleys and accessories).

Usually, when people remove the a/c, it's for weight reduction, not drag reduction. The most common removal method is to replace the a/c compressor with an idler pulley (check on Jas' web site for the part number).
 
canadian

canadian

sy in progress
had a friend dyno a mustang with and without a short belt. running all the accessories cost 4hp.
 
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hellbents10

New member
Underdrive pullies can help the engine rev quicker and easier though. There is more to look at then just dyno numbers. Allthough I agree its hardly worth the hassle on a driver/strip machine.
 
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imported_ty1724

New member
plus with ud pullys on my nisan dont know if it is the sam with our trucks i wont put them on anything
but i had problems with charging at idle at a lite my lites would get dim and it was real iritating
 
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