Thread: First Port&Polish attempt

Originally Posted by buck531

I lost a solid 15-20 HP (and belt slip) between going non-coated rotors and coated. I think I put down 260 something non-coated and 280 coated.

damnnn 15-20? What caused the belt slipping?

Originally Posted by logan809

What caused the belt slipping?

Wrong sized belt.

Originally Posted by bluegtp91

Wrong sized belt.

This. I was running (I think at the time a 3.1) pulley and had a belt on for a 3.4. The graph looked like a wavy line.




Swapped to coated rotors and put down 280 hp. Probably just the belt slip though.

http://i283.photobucket.com/albums/k...31/ipsdyno.jpg if you want to enlarge it. Peak HP was 266.