My MK3 Turbo has been running like crap at boost over 10 psi and has been fouling plugs and sputters. Now for some History on the car:
Upgrades
I have the Lexus upgrade with 550cc Lucas injectors, AFM, Walbo fuel pump, rebuilt head, ARP studs, HKS 1.2mm MHG, upgraded JT57 Turbo, hardpipes...