[quote=dvw]My aluminum drum fluid change is about 100 passes. Zero issue on the 2/3 shift so I'd say the plates aren't hanging up either. The only thing I do see is the 1/2 shift takes more time to complete. Zero 1/2 shift flare. My bet is the coefficient of friction is not as great as a steel drum. So the shift light just gets set earlier. Going on year 9.
Doug
You shouldn't see a shift flare on the 1/2, all that is happening is the front band is stopping the spinning drum. Shift flare is something you see on the 2-3 , band releasing before the clutch pack is fully applied.
It doesn't flare. It takes a longer time to complete the 1/2 shift. Part of this is the car is fairly quick so it gains more rpm in a given time frame. The shift time is a constant for a given valve body/drum/band/lever combo. In this case a Modified Turbo Action Chettah VB, 3.8 lever, aluminum drum, red lined hard band. The band has been in the car for close to 600 passes. Looks like it came out of the box.
The only way I noticed it was on tach playback.
Doug
