This is my first post on here so help me out please....I have a 94 Z28 A4...Lately when I floor it...it wont shift to the next gear, the rpms go all the way past the red line and I just let off the gas because it just keeps reving up without shifting. The car has the Msd 6al ignition with built in rev limiter, which was in the car when I got it so I dont know much about it. Everyone I tell my problem to says its the Msd, but you guys on here seem like you would maybe know for sure....thanks

 

how many miles do you have? sounds like a slipping trans.

 

just passed 65,000