Has anyone got their Blackwing front brake/ upper control arm problem fixed or know when GM is going to do something? May be time to consider the lemon law. They appear to be ignoring the problem.
Jim Waldo
I had my supercharger replaced under warranty. My max boost now is about 10 psi on the indicator. What do other V's indicate at max boost. I think my boost is lower but I am not sure.
Jim Waldo
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