Underdrive Pulleys Christmas Present!!

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01-02-2010, 10:26 PM

#21

NaplesFL11GT

3rd Gear Member

Join Date: Mar 2006

Location: Florida

Posts: 611

To me it sounds like the UDP's are a huge waste of money. I would just save your money up for some LT's or maybe even a cam.

01-02-2010, 10:32 PM

#22

2010V6Stang

BEWARE! Possible Scammer

Join Date: Oct 2009

Location: NJ

Posts: 1,280

Well if they really are good for 10HP for $300 thats pretty good but im skeptical of this.

01-03-2010, 08:00 AM

#23

Casey4s

2nd Gear Member

Join Date: Aug 2009

Location: Virginia

Posts: 265

I have no (functioning) scanner to post the dyno results. My first pull was 283.51 RWHP and the second pull was 299.26 RWHP which is a difference of 15.75 HP, but I know that a part of that is because the air was cooler outside. The only modification between the two Dyno pulls was the UDPs.

01-03-2010, 08:58 AM

#24

2010V6Stang

BEWARE! Possible Scammer

Join Date: Oct 2009

Location: NJ

Posts: 1,280

Thats pretty solid, how about the butt dyno? Did you notice any difference in it? If so at what range did you notice it most? Low or High? Also any problems or anything caused from the UDPs so far?