Because we dropped the compression we needed a small pulley to get the boost back up. Went down to a 2.9" but the belt started to slip at 4,000 RPM. At the slip we were at 8.4 psi but down to 7 at the top, our goal is 9psi, although we could go to 11 easily with the CTS-V fuel system we sourced from ADM Performance.
Still, with the slipping belt we made 600.2 rwhp and 609.5 rwtq!! Once we fix the slip by going ot an 8 or 10 rib we should be in the 640/650 range or rwhp. Also, their dyno tends to be about 10% "light" compared to a dyno-jet and we are very conservative on our timing (I think it was only 19 degrees). So in dyno-jet terms we will be at 700 rwhp.. :nilly:
Way more powre than we need, but it's fun to make it!
__________________
"A ship in port is safe, but that's not what ships are built for."
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
Strapped our 416 2010 SS to the dyno and...
Threaded Mode