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[WADEY351]

hey guys, im new to the turbo world, ive got a bf xr6t 6 speed auto (extra clutch packs) flash1, intercooler, fuel system/injectors, exhuast, waste gate modded. its alleged dyno of 357 kw. the thing is, its performance is varied. sometimes its good and really kicks you in the guts(weather not permitting) and other times it sounds like it is bypassing boost and it doesnt pull as hard. ive been reading forums about acutators and such but its all over my head. question is has anyone had such a problem and wtf could it be. it has been a bit negelected, bar oil changes, ive cleaned the k&n (which was black as!) done fuel filter which was not as clean as it could of been.

any info to a resoloution is greatly appriciated.

[bjc]

Test with a boost guage first to see if its holding boost all the time. If it is then I'd check fuel pressure, you mention "fuel system/injectors" does that mean you have an intank pump or external surge tank or just bigger injectors?

[WADEY351]

I WD40'd the boost switch yesterday and now I got near no boost at all, rang coventrys and im getting another today. ill fit the new one and see how it goes.

[Ralph Wiggum]

If the solenoid was fine before you touched it theres a fair chance you cause the issue.

Are you sure you installed the hoses correctly?

[WADEY351]

fitted the new switch, boost comes in earlier but seems to taper of after 3500. fuel economy improved dramaticly. which hose do you fit a boost gauge too?