More INFO....... posted by Greg D. (Specialty-Z) on October 04, 2011 at 07:14 PM
Message
Greg's spot on, the JWT cams have a 4 degree advance on the exhaust cams built in. As a result this shifts the CAS off by the same amount - adjustment is needed to bring it back in line. I have the R5 500 cams and the adjustment sits quite far to the left to achieve 15 deg ignition timing.