Turbosmart Dual Port BPV With Stillen Kit

x2o

100% sure it is hooked up correctly, used the same hoses that were on the Bosch valve. Might have to swap the Bosch valve back in and try adjusting it the way you've suggested, seems like much less of a headache.

The fact it was opening over 4k rpm is what made me think I had to go tighter. My logic told me the boost was overpowering the spring. I guess this is wrong though? Or maybe the blue spring is too soft?

I'm on stock cats, last dyno showed just over 9lbs of boost.

Before lunch I'm going to take a look at the valve while its idle and see if it is indeed closing. Pretty sure its holding open though.

Really appreciate the help guys

Edit : seems at the current tight setting the piston is about 80% open at idle. I can see a bit of it peeking through the hole. What's weird is when I go softer, it idles worse. Should I reset the computer (disconnect battery) after each adjustment?

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2011 370z Supercharged Sport Touring 7AT
Stillen: Supercharger Kit | Cat Back/TP | Oil/AT Coolers
GTM: Hardened 7AT (valve body+torque converter)
Whiteline: 27mm Front | 24mm Rear | Swift Springs