Did a bunch of work to my busa engine and now it idles great and will run but if i hit the throttle to fast instead of rolling on it, it starts bogging down but it only does this at the lower RPMs. I have a after market Fuel Pressure Regulator and it sits around 45psi so i know its getting the fuel it needs. ive been at this for some time and i cant think of what it could be.
changed the plugs
checked the jets
any other suggestions?
changed the plugs
checked the jets
any other suggestions?