Originally Posted by 07_335i_AW
Awesome runs!! So why not even it up with the JB4 on map 7? Don't know why he keeps running map 5 which has less boost than map 7.
Map 7 is usually limited to 16.5 psi @ about 5,000rpm . Map 5 "targets" 17psi, but I can over boost to 17-18.5psi with an E40-E50 blend between 4,800-5,700rpm.
O/P great video, but why only run E25 with the JB4?
The PTF on the COBB car is definitely working as advertised