underdrive pulleys?

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underdrive pulleys?

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Mustang Forums >> Ford Mustang Tech >> 5.0 Mustang >> underdrive pulleys?

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underdrive pulleys? - 5/9/2008 9:09:30 PM

pony831

Posts: 63
Joined: 7/29/2007
Status: offline

ive been looking at some bbk underdrive pulleys...my car is basically stock except l/t headers,o/r x,intake and 3:73 gears, so i wanted to do pulleys next, but i've heard people having problems with them...so are pulleys worth it or what should i do next?

Post #: 1

RE: underdrive pulleys? - 5/9/2008 9:49:52 PM

mjr46

Posts: 10694
Joined: 6/13/2007
Status: offline

well since you have exhaust and gears.....IMO pullies are more hassle than they are worth so I'd save for an h/c/i.. that's the next step to increase performance significantly for you

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Post #: 2

RE: underdrive pulleys? - 5/9/2008 11:09:56 PM

militarymustang88gt

Posts: 221
Joined: 12/1/2006
Status: offline

hell at least an intake and a fuel pressure regulator. and aluminum driveshaft and short throw shifter.

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Post #: 3

RE: underdrive pulleys? - 5/10/2008 9:43:11 AM

yamaha537

Posts: 20
Joined: 4/27/2008
Status: offline

one of my buddies had under drive pulleys and he said they didnt do a thing. he ran the 1/4 without them, then put them on and got the SAME time. some people say they can feel a diffrence and others say they are just a waste of money.

(in reply to militarymustang88gt)

Post #: 4

RE: underdrive pulleys? - 5/10/2008 12:14:51 PM

Jeff 86 GT

Posts: 105
Joined: 3/13/2007
Status: offline

Dont get them, i burned up an alternator within 200 miles of having them on. It will cost you a lot of money in the long run for 1 or 2 horsepower. Save your money for H/C/I

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Post #: 5

RE: underdrive pulleys? - 5/10/2008 12:55:25 PM

ALMOST STOCK

Posts: 968
Joined: 5/13/2007
Status: offline

I've had the March Power and Amp UD pulleys on my car for over 7 yrs and I've never had any charging, or over heating problems!

Did they make a BIG difference.. not really.
Did they make some difference.. probably.

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