Quote:
Originally Posted by Vypurr
Get re-tuned for the winter. Cold air = 1-2 psi more boost. It seems that your tune is allowing too much boost in high gears. I would bet that if you shift 2-3-4-5, you will not hit fuel cut.
I would personally port your turbo or go external.
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if you are still running the factory gate and boost solenoid the car should should not vary boost with the temp changes. thats why i went gm bcs since it controls better boost but keeps the same feature as the stock bcs. these cars just have alot more boost in 5th gear than it does on 4th and lower gears due to the gearing and load.
ian what are you tuning your car with currently? i see this alot on cobb base maps ue to different exhaust systems and such.