Well i have had some boost problem. Would fluxuate from 10 to 15 back to 12 up to 15 and finaly hit 19-21 with fuelcut as a resolt. I'm using Ultimate set a T-15 and base pressure at 50psi. Anyway it was very enoying so i bougt a 15psi WG actuator and installed it today, had to modify the bracket to fit on my stock turbo. But it is assume, rock solid 15psi all the time, even at 3/4 throttle and the spool up is a lot faster. Remember that you can't use a 15psi with Ultimate chip so i have it hooked up from compressor housing straight to WG for now, i'm getting a Profec-B second edition for boost control next week.
15psi actuator
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