OldnDecrepit;129173 wroteSo enlighten me guys - which 4sp gearbox should I source for the 164? AW70, AW71, AW72....?
I would like one that had the electric overdrive cutout as in the 16V 740s.
Aw71l from a late car. But the tailshaft will need to be modified regardless because of the adapter plates used, and in that case, going to a gm 4 speed is what I would do.
Crossmember is also pretty simple. I do have access to a few 164s but no time to go further as yet.
Aw72 ratios means nothing overall, they still don't have as many clutches as the 71 does so it's a lower torque box.