Supercharging...remove underdrive pulleys??
 

Well, like I said in my previous post, I ordered my vortech s-trim today...and was wondering if i should remove my underdrive pulleys and put a set of standard, factory pulleys on instead???? josh

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'89 GT, T-5,
Bored .030 Over, GT-40P heads, MAC 1 5/8" headers, MAC Off-Road H-Pipe, 2 1/2" Flowmasters, Edelbrock 65mm T.B., Trick Flow Intakes, Crane 2031 cam, 1.7 Roller Rockers, Keith Black hyp. flat top Pistons, Screamin' Deamon Coil, Champion Plugs, March Underdrive Pulleys, 255lph Fuel Pump, SVO Motorsport Clutch, Adjustable Fuel Pressure Regulator, Formula GP Suspension, MAC Upper & Lower Control Arms, FMS 3.73 Gears.
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I had to take them off. I'm not sure though if you can mix and match pullies. I was thinking about doing that with the water pump and alt. pullies, and leaving the crank the same but I haven't had time to get around to it to see if it is possible. I'm sure it is but I don't know if you need a bigger/smaller belt to do it.

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2000 Mustang GT

With the vortech s trim, the crank pulley is all one peice, so leaving the accesory pulley isn't an option. and the water pump pulley is too big, i had to remove mine. but i left my alternator pulley on.

I think I may just be putting my alt. pully back on when I go home thing weekend.

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2000 Mustang GT

Hummmmm...I think I may just have to put my alt. pulley back on when I go home this weekend.

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2000 Mustang GT