I have aquired a chevy three speed with overdrive that is supossedly from a 55-58 car and am having trouble identifing what it is for sure, it is not maching up with any info i have found online, cast numbers on the case include:
11-23
a Large 5
RIOH-I
WG DIV
3845157 GM
a Lage H

Any info would be very helpful includeing how to hook up the o/d and what goes to the two possible solinoides on it
Thank you very much

Drive it till it blows then rebuild and do it again!