is it worth it ??
and if i run a smaller underdrive pully im gona have to make the alternator pully smaller too , but what about the water pump will it keep up with the changed pace of the smaller underdive pully??

 

um good questions im looking at one to id like to see what people say. am seemed to have a good price

 

I like mine they took about 15 to install and you can feel a little bit of power.

 

just so you know the UDP on the AM site are for GT, Cobra and Mach.

Nevermind forgot you had a 94-98

 

If you get an UDP you don't need to change any of the other pullies. yes it is worth it, it gives ~8rwhp.

 

so it will be fine on my 98 then?

 

yeah but with the UDP you have to change the alternator pully because it wont be able produce enough power to keep the battery charged , but that always comes with the underdrive pully wen you buy one , i was wondering if you have to change the water pump pully ,because wouldnt it be the same thing if the under drive pully will crank slower than the stock pully ??

 

hmm I was not aware that the 98's came with the alternator pulley, on the 99+ it is not a worry, since even a 42% udp will still produce enough charge with the stock alternator pulley. You definately do not need the water pump pulley, the 99+'s don't, and from a quick search of products none of the 94-98's for V6's come with it in a UDP package, and there is no note that it requires it, so you will not need it.

edit: 94-98's don't need an alternator pulley, some kits come with them, some don't, enough charge will still be produced. I believe the kits that come with alternator pulley's are more of a back up incase you are running an aftermarket sound system of sorts.
http://www.autobadges.com/performance/

 

I got the kit from bbk and it came with the alternator pulley and I never have problems with charge the thing that is important is that you get the size belt that the kit requires because your stock belt won't work anymore. bbk requires a 96" I don't know what other kits require. Water pump has no problems either

I have a 98 and it works just fine.

 

udp's. they will get you like 5-8rwhp and it is a difference you can feel. it is worth the money to do.

25% ASP pulley. the 42% doesnt gain much more and is more than needed.