ive tuned mine to 12.5 :1 with almost no et/mph gain on the spray
ive been running between 9.5-10.5:1 tune last time out went 9.24@150
ive tuned mine to 12.5 :1 with almost no et/mph gain on the spray
ive been running between 9.5-10.5:1 tune last time out went 9.24@150