msd lauch master

[SPEEDMAX]

need help ,apex2871 turbo whit lauch master engagment is at 5500 rpm only built 1psi off boost on stutter air fuel ratio is 11.2 at that rpm timming is +4 at 5500 rpm i have a rb3 rapid bike need more boost for take off

 

[FLYBYU]

your engine could be to warm. you need to find the right temp.

 

[TURBO TIME]

too rich try leaning out that rpm range, my 2871 is building 7psi at 5000 on the stutter, you will know when you find the sweet spot it sounds like a jet spooling up!!!

 

[stone88]

Just testing mine out tonight and getting only 1 # at 5000 but almost 6#'s at 4000 rpm.