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  #1  
Old 04-05-2010, 02:00 PM
RustyNCa RustyNCa is offline
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Default So would the pulleys on the 58 be flat black or satin?

Not that I am terribly worried about being correct, but I am changing the car over to a triple grove crank pulley, dual alternator pulley and dual water pump pulley....

I am running a 140 amp power-master alternator and have been fighting it slipping and squealing when it is running a full charge. I've given up and am going to try running two belts on it....
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Old 04-05-2010, 03:56 PM
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Did you try using a larger diameter alternator pulley? I don't think you will sacrifice charging power during idle speeds. The larger pulley will give more belt surface area AND lighten the mechanical load on the belt (because a larger diameter is effectively a bigger lever). - Dave
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Old 04-05-2010, 04:00 PM
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Quote:
Originally Posted by simplyconnected View Post
Did you try using a larger diameter alternator pulley? I don't think you will sacrifice charging power during idle speeds. The larger pulley will give more belt surface area AND lighten the mechanical load on the belt (because a larger diameter is effectively a bigger lever). - Dave
Hmm, no that didn't occur to me
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Old 04-05-2010, 05:45 PM
RustyNCa RustyNCa is offline
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Quote:
Originally Posted by simplyconnected View Post
Did you try using a larger diameter alternator pulley? I don't think you will sacrifice charging power during idle speeds. The larger pulley will give more belt surface area AND lighten the mechanical load on the belt (because a larger diameter is effectively a bigger lever). - Dave
Okay, thanks for the tip, I ordered a bigger billet pulley from Summit today, should be in by tomorrow knowing them. Gotta love that their warehouse is in Carson City, parts make it here in one day
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Old 04-06-2010, 03:51 AM
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Hey Bryan, do you have an 'Auto Electric' shop around you? They recondition starters and generators/alternators. Most of them have pulleys of all sizes laying around the shop. Ford & GM alternator & generator pulleys have always been interchangeable.

Once they discover you have a classic car, most of them will just charge a nominal fee like ten bucks, for your choice of pulley, including installation. - Dave
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Old 04-07-2010, 08:44 PM
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Quote:
Originally Posted by simplyconnected View Post
Did you try using a larger diameter alternator pulley? I don't think you will sacrifice charging power during idle speeds. The larger pulley will give more belt surface area AND lighten the mechanical load on the belt (because a larger diameter is effectively a bigger lever). - Dave
Installed the overdrive pulley last night, put on the different belt today, and no noise , thanks for the tip. It doesn't seem to generate a full charge at idle when the stereo is on. Gauge shows 10 volts at idle, turn the tunes down and the blinker off and then it sits at about 12.

But praise be.... the squeal is gone.
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Old 04-07-2010, 08:57 PM
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Bryan, I'm glad you found a good, easy, and inexpensive remedy.

I don't imagine you will sit idling for long lengths of time, like a taxi cab or a police car. I don't know what size pulley you had or what size you went to. Your charging system will do just fine with the new pulley.

Modern setups use a flat, 6-groove, serpentine belt on a pulley less than two inches in dia. That's ok, but to pull a couple horsepower is asking a lot out of such a small surface. If you went with two belts, they need to be from a matched set, or the tight belt would do all the work. - Dave
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