custom ud pulley

[sam c.]

Originally Posted by Jake Raby

I have driven a car 28,000 miles in one year with a 4" UDP on the street and track in winter and summer and had no adverse effects, even with every accessory on in traffic on a July day with a 95F ambient temp.

I think this statement pretty much sums up the starting point and foundation for this conversation. Everyone agrees that a 4" pulley is good to go. Lets see what happens with a 3" pulley.