I am running a v1 BNRS4, with a Corksport ebcs, and Tial 44mm external wastegate, it's setup as an interrupt style, and upon visual inspection the lines seem to be properly routed. I've pressure tested it recently and it held 20psi so I don't think it's an boost leak.
I'm tuning with Will and...
Been tuning with Justin @ Freektune and he has recently given up in ideas on what's screwing with my boost pressure. He's had me change my wastegate spring from 17 PSI up to 21PSI but no dice. Other brains trusts I have consulted are also short on answers.
Engine mods are:
Damond PCV Plate
CS...
I've recently been experiencing an issue where on partial throttle (mainly) my BOV will activate randomly and quickly, to where the car sounds like it's sneezing. The pedal position is constant however the wastegate appears to get the signal to dump the boost momentarily before it builds back up...
Precision Turbo Wastegate 46mm Black PW46 PT#PBO085-2000
Purchase Date: Jul 16, 2019
I offered $335 and they took it, not sure if that is still an option.
The Good:
It just works, not fuss and no leaking
It was priced right and I wanted to not worry about it
Springs Included so you can pick...