Underdrive pulley

[LSX-Nation]

u/d pulley


Anyone have any experience with tsp under drive pulleys?

http://www.texas-speed.com/p-4304-texas-speed-performance-25-underdrive-balancer.aspx

[84ta406]

IMO if you underdrive the crank you should get the corresponding alternator pulley.

[LSX-Nation]

Yes I will just wondering if anyone has used this one before.

[SLP IROC-Z]

that looks like a powerbond pulley, I have an slp one which is also a powerbond. they are good balancers go for it. I dont run any overdrive pullies and havent had any issues.

[smokinss]

I had the summit racing one with no problems.

[LSX-Nation]

K thanks guys

[Formula413]

An M6 car idles at a higher RPM than an A4 so the alternator pulley is generally considered to be unecessary for manuals.