99 ss

iTrader: (12)

Hay guys just wondering if there is any pros and cons on the ati pulley I'm thinking of getting this for my ls1 camaro. Could it put strain on my water pump and alternator and Power steering. Not wanting to go with any other pulley here bad story's anout other pullys just want to go with the best one and I here ati is the way to go

redbird555

iTrader: (14)

ati is certainly the way to go. its only 10% underdrive mos of the hp with an ati is attained from proper dampening of harmonics. People run 25% all the time and have no issues my ati has been on for 4 years now and is just fine with all accessories even with a stereo system

Midnight02

iTrader: (8)

I went with a 25% SLP (or Powerbond) many years ago and haven't had one negative effect.

I have multiple accessories running full time as well (progressive nitrous controller, N20 switches, triple gauge pod, shift light, etc) and haven't had any charging issues. My only disclaimer is that I don't have any of the big draw items such as an aftermarket stereo, amp, subwoofer, etc.

99 ss

iTrader: (12)

Right well I have after market head unit double din and amp and sub in my car

redbird555

iTrader: (14)

I run a gm 130 amp alt, mini 6 channel jl amp to power 6 speakers 100w rms per channel and a small 10" fosgate T1 sub powered by a kenwood amp. no problems. you will be fine

Pharcyde50

iTrader: (11)

Running a ATI 10% here. Great build quality and no issues shifting at 7200rpm.

Rob WS6

iTrader: (16)

ATI 25% here and no issues.

99 ss

iTrader: (12)

Ok will I gain anything with this mod I'm all bolt ons with long tube headers and I'm a auto a4 with factory 323 gears I do not have a cam or heads

redbird555

iTrader: (14)

probably worth around 8ish at the wheels. An ati picks up as much as any other 25% balancer but does it more so because of its superior dampening capabilities.

ls1 1990 VN

What he said ^^^^^^ concerning dampening, better harmonics.
Go ATI 10%ud or standard, your engine will be much better off.

99 ss

iTrader: (12)

Sounds good I'm going with ati then now I hear if I put this ati on my car I here it's right by my cam and I'm hearing might as well swep my cam

z-maro

iTrader: (18)

I added a 10% ATI after full exhaust, lid, and SSRA. I couldn't really tell a difference, but on my first trip to a drag strip I ran a 12.9 @ 111.6.

99Bluz28

iTrader: (35)

If you worried about the alternator having issues charging the battery, then I'd bump up the idle speed enough to offset the crank pulley UD percentage. You might also want to consider doing the Big 3.