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Showing results for tags 'gtr bovs'.
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Intermittent Performance 34R, -9s, e85, haltech etc etc. Approx 350rwkw at 24 or so psi. Have recently fixed 2 boost leaks (front turbo to TT pipe and IAT sensor on back of plazmaman cooler) but am finding that even after this the "punch" is intermittent, sometimes it's there/good, sometimes it's lacking that extra kick at WOT. Using onboard haltech map sensor so it stops telling me anything useful after 21psi. No faults being thrown, car has wideband and oil pressure kit also. I thought it might be intake air temps (pods with an enclosure), as it's been warmer here, but I've had the car feel great and not so great on 27 deg intake temps in the same driving session. Car is going in soon for cams and valve springs, but if there's anything else I can check, I'm all ears. I've boost leak tested the entire intake tract up to 40psi using a leak down tester. The difference feels like when I went from airbox and 21psi to pods, better cooler, and 24psi, which was about a 20kw/100Nm gain. What power are stock GTR bov's good for? Any point in me disconnecting the Mac solenoid for a test?
