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Anyone running an overdrive pulley on your altenator?
Posted: Mon Jul 01, 2013 1:44 pm
by Seabass
I have a growing list of draws and I would like and overdrive pulley to get more oompf at idle like the one here
http://www.ebay.com/itm/Ford-3G-Alterna ... 0839102760 Any one here done it yet?
This'd be on an econoline 130 amp 3g with a fresh cable to the battery as well.
Re: Anyone running an overdrive pulley on your altenator?
Posted: Mon Jul 01, 2013 4:02 pm
by Silverslk
Whats the diameter of the stock pulley you have now?
Re: Anyone running an overdrive pulley on your altenator?
Posted: Mon Jul 01, 2013 4:59 pm
by Jbfab
I have an overdrive pulley (smaller diameter) to compinsate for my under drive pulleys. Check out ryans website rjminjection. On there he has a calculator to figure out what sized pulley to use that wont kill your alt. iirc you measure the crank pulley and type in max engine rpms. Then i figures out the max rpms of your alt and states what each alternator can handle before meltdown.
Re: Anyone running an overdrive pulley on your altenator?
Posted: Sun Nov 17, 2013 10:24 pm
by CPT. SPRINGINGTON
I'm running the $35 kit on my truck
http://www.summitracing.com/parts/sum-3 ... /year/1990
the alternator stops charging right at idle, sometimes it stays charging, most of the time not.
This is with the stock 2g alternator, I plan on swapping to the 3g soon to see if it stays charging at idle.