5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

alternator underdrive pulley

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Old 07-08-2007, 05:20 PM
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95 BLOWN GT
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Default alternator underdrive pulley

with an electric water pump.i will be running just the crank and alternator off one belt.and the supercharger pulley with the other belt.is it even worth it to get an underdrive pulley for the alternator? thanks
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Old 07-08-2007, 05:25 PM
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PRO50SC
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Default RE: alternator underdrive pulley

NO, not really
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Old 07-08-2007, 05:27 PM
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95 BLOWN GT
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Default RE: alternator underdrive pulley

cool thanks the money will go elsewhere.
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Old 07-08-2007, 10:18 PM
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luckythirteen13
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Default RE: alternator underdrive pulley

it would be retarded to buy an UD alt pulley
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Old 07-08-2007, 10:32 PM
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Tony71502
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Default RE: alternator underdrive pulley

UD pulley puts enough strain on charging system, much less addingit to awater pump.
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Old 07-08-2007, 10:53 PM
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mjr46
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Default RE: alternator underdrive pulley

wouldn't even waste the time I have an elec water pump witha idler on it to retain stock belt config (meziere pump) an elec fuel pump msd ignition, a stereo with amps, elec cooling fanetc ect........ so if you have alot of elec mods like me you'll need the charging amperage to run the stuff so all a underdrive pulley would do in your case and mine is lower charging out put. i'd just hurt ya' more than help. that's why I stuck with a stock one
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Old 07-09-2007, 09:48 AM
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samseed101
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Default RE: alternator underdrive pulley

Don't forget that he has the larger alternator that comes with the SN95 so it's not going to be the huge strain that you would normally see on a fox. But that being said, it's a waste of time anyway. Just spend the money elsewhere.

What supercharger are you running?
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