MSgpio.com read only forums (Jan.15,2018)

Hi Lance,

Thanks for the feedback, I was hoping that somebody already had a 4T40 transmission in the testing phase.

I have managed to get some info.

Found a wiring diagram for the 4T40

The ratio's for the transmission are:
1st - 2.957:1
2nd - 1.623:1
3rd - 1:00:1
4th - .682:1
Final - 3.91:1 ...

Hi All,

I'm new to auto transmissions but am currently in the process of converting a twin engine car which i've built from manual transmissions to automatic transmissions due to the problems trying to shift 2 manual boxes consistently and quickly.

The only transmission that I have been able to ...