DSRCAM

iTrader: (3)

can anyone help me with my underdrive pulley, i plan on purchasing it but i wanna know how much of a difference does it make and is it worth it?

2002blackZ

iTrader: (4)

cant help with the install if that's what youre asking because I'm a little too far to drive, but as far as performance difference. You probably won't be able to tell driving the car on the street or anything like that. It's one of those "every little bit helps" mods. It may help extend the life of your water pump or something like that. It's supposed to reduce quarter mile times by a tenth or two. Honestly, I didn't see it though. I probably would buy it again though. I don't think it can hurt. I'm sure not too many will agree, but hey that's just me.

DSRCAM

iTrader: (3)

from what ive read bout it, it helps u hit the rev limiter faster, which means faster acceralations

2002blackZ

iTrader: (4)

sounds about right. It slows down the accessories which in turn allows the engine to rev a little quicker. Like I said though, unless your "butt-o-meter" is really sensitive, you probably won't notice much if anything.

TheBlurLS1

iTrader: (8)

It's a great mod, usually good for around 10rwhp. Check LS1howto.com's camswap guide, it shows how to remove/install the pulley. You can also do a search.

orangeapeel

iTrader: (18)

Make sure you get a new bolt.

Grimes

iTrader: (3)

Definitely worthwhile. Ppl don't believe me, but I noticed a seat of the pants difference, especially in terms of quicker revving.

2 SSlow

iTrader: (26)

i have the SLP, seems to be a nice piece, noticed a little difference. Might as well get one, everyone seems to get decent hp number out of them. I did notice it revs a little quicker. JUST BE CAREFUL ON THE INSTALL!!! No hard, just read a lot, and pay attention to what you are doing.