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Old 08-24-2011, 01:04 AM   #1
FsuGoNoles63
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Default Underdrive Pulleys

Where can I buy the udp's for our 4.0's? The only ones I see on AM are for GT's. Do those fit to our engines?

And sorry for so many threads recently, I have some extra cash lately so Im starting to get the mod bug lol
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Old 08-24-2011, 05:02 AM   #2
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I believe mustangsunlimited.com has them but their site is down right now.

The only other places I know of are
http://www.latemodelrestoration.com/...monic-Balancer
http://www.cjponyparts.com/underdriv...5-2009/p/UP43/
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Old 08-25-2011, 09:36 AM   #3
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i bought one from Stangmods.com, install was simple. It comes with belt and installation bolts. I noticed a difference in acceleration from 3k-6k rpm, a good mod, but not the best first mod. If your stock i would consider a intake and tune first. That will net u the most hp of any mod, aside from forced induction. Just my 2 cents.

http://www.stangmods.com/ASP-V6-Unde...lt-p/00234.htm
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Old 08-25-2011, 10:27 AM   #4
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agreed, tune, cai, then possibly exhaust and gears
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Old 08-25-2011, 11:06 AM   #5
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can someone explain what UDPs do again? i cant remember lol
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Old 08-25-2011, 05:43 PM   #6
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it under-drives all accessories, freeing up hp. Its a smaller crank pulley.
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Old 08-26-2011, 09:13 AM   #7
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so would this be a bad thing to do if im running an aftermarket HU and subs and an amp?
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Old 09-02-2011, 08:38 AM   #8
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I am running hid conversion kit and a 1000 watt amp, have had no issues
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Old 09-02-2011, 09:07 AM   #9
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Quote:
Originally Posted by 4.0 $tang View Post
I am running hid conversion kit and a 1000 watt amp, have had no issues
alright thats good. i might get these then
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Old 09-02-2011, 07:27 PM   #10
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Yea FSU, I've heard (haven't bought them myself, no experience with them) that they'll free up maybe 5hp. Grab a tune and intake. The weeeeeeeeeeeeeeeee factor is off the charts with a tuned mustang.

PS, UCF FTW haha
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