RE: Dual Alternators

From: Ray Block (BPracing@wowway.com)
Date: Sun Sep 21 2008 - 10:37:35 EDT


> -----Original Message-----
> From: Terrible Tom
>
> The goal is to have plenty of amperage capability. And a backup is a
> good idea too... I've looked around and for the cost of a single 160A
> MSD alternator... I can easily do dual 136A units for 272 rated amps.
>
> My 4 KC's alone draw almost 35 amps. Throw in a snow plow, a winch, some
> more auxillary lighting, and perhaps a few other things... and your amp
> requirements climb. I've drawn down an optima battery while plowing
> snow more than once - and had to let the truck idle to recharge before
> finishing a plow job. I think that was with the original 1989, 120 amp
> factory chrysler unit too. Base alternator is 90 amps - which is what I
> have on there now off the 95 Dak.

I dunno, Tom. Wouldn't it be simpler/cheaper to use a high amp factory
alternator (used/new/rebuilt) with a smaller pulley for better output at low
rpms along with dual batteries for more reserve capacity?

Ray



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