Originally Posted by
magredvet
When I had the Graphite 6, with the 181 pulley it was also leaning out. The fix was to raise the fuel pressure with a larger pump, and adjustable regulator from Needswings I never needed to change injectors....... I was seeing 18-19 psi of boost.
As someone else stated, if you list your mods, it is easier for people to help.............
Yes, this was exactly my experience as well; except I'm running a 62mm Karmen SC pulley and N.W.'s large manifolds w/ crossovers. 60p.s.i. @ the rail. I did have my stock injectors serviced(Witchhunter). Not sure if that was needed or not; did it for peace of mind.