what Doc said ........700R4
and The Doc was correct.....the 4L60E started
with the 1993 models.
================ email@example.com (Pindar/King)
I've got a '91 Sierra extended cab with automatic transmission 4 x4 with
the heavy duty frame option, can anyone tell me what transmission I
have, the TH700R4 or the 4L60E.