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Discussion Starter · #1 ·
I found a 38-amp Nippondenso alternator that I think I will try to use on the Maverick. Only problem is, I cant seem to find a crank pulley that's small enough. I've got a factory crank pulley (7" dia), but at 7000 engine rpm, the alternator would be spinning I dont know how many million rpm--probably way too fast. Any suggestions?
 

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Any number of aftermarket suppliers make crank pulleys. Divide the pulley diameters to figure the ratio, try not to spin the alternator much over 15,000 RPM.
 

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Discussion Starter · #4 ·
Already tried. It's a 15mm shaft, whereas most aftermarket pulleys are 5/8" or 3/4" dia. I think I can "rig" a John Deere mower deck pulley to the crankshaft, using my buddies crank grinder to machine it to fit.
 

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Moroso makes a nice crank pulley that is substantially smaller than stock. I just put one on my car and it seems to have helped keep the belt on quite substantially. Mine used to pitch the belt all the time. I guess 8k with stock pulleys was a little more than the belt could handle.
 
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