Wow, a lot of folks have had problems with UD pulleys.
When my car was much more stock.... I ran March underdrive pulleys, with the stock alternator and two amps.
I never once had a problem with the car not starting. Sure, the lights were dimmer at night, but that was only at an idle.
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Eric - 89 Mustang LX coupe
5 speed 302-Cobra Intake-GT40p heads-TFS stage 1 cam-FRPP 1.6 roller rockers-3:73 gears-KYB shocks and struts-Eibach Pro-kit-HPM Mega-bite upper and lower control arms-FRPP aluminum driveshaft-16x8 Chrome Cobra Rs
R.H.C. #14
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