Has anyone install any drive pulley on their truck and was woundering if anyone had any problems with them? Also my friend had some on his camaro and his volt meter on his gauge cluster kept reading low? Any answers to that?

 

he needs to get an overdrive pulley for the alternator to complement it....will solve your low voltage

 

he had the one for the alternator and it was still doing the same thing

 

is he running a high wattage stereo or a bunch of accessories? if so, thats probably it... i know some people had to upgrade their alternator AND battery with udp's

 

has anyone installed them in their truck with all i have installed in my truck or also with a cam installed too

 

Im actually in the process of trying this myself... im ordering mine from summit racing and i'll check back here and let you know how it goes. I have a pretty good sized cam for the motor that pulls plenty of vacumm so it'd be a good testimate to how it performs with a cam setup.

Another thing to help with the voltage is upgrading the size of the wire from the battery jumpers to the back of the alternator.. that signifigantly increases voltage pickup incase of a drop off.

 

I have 1 installed the underdrive pulley without the alt and I didfeal some power and throttle response
Disadvantages steering becomes hard when ur not accelerating and u must gehe exact size for the belt or u will face problems

 

do the pulleys come with a recommended belt size or are you surpose to use the stock belt

 

summit racing usually has a "suggested parts" list in with parts like these to tell you exactly what you need.

If you are using BOTH the alt and crank underdrive pullies from ASP, summit states on their website to use the 90.00 Inch 6 rib gator belts and the a/c belt is the 34.25 Inch 4 rib gator.

(this is assuming that they havent changed the pulley setup since 2002)

 

yep i have but i have a 6.0 and i dont have any issues on my 06' silverado ss and i only did the ASP crank pulley