help with rb20det

[rez]

hey tuners i just changed an engine complete but the air fuel is showing rich and when i mash the x pedal half way the car works good but when i put the pedal more than half the car stars to stutter and feels like it is strugling to go faster what could this be . TANKS IN ADV

[turbosingh]

Check the plugs an AFM

[rez]

going to do that today but did anyone have this problem

[bob25]

cud be a fuel problem. not enough pressure
cud also be boost leaking some where like on your hose and clamps

[chris3360]

anyone help

[chris3360]

my rb is starting but to much fuel new plugs

[chris3360]

new afm to

[shinaka]

try regapping plugs to around 0.8 MM, if its copper...any fuel system mods?