Flowjoe
Active member
Hello all,
recently had the 700R-4 in our ‘82 rebuilt. Before, it leaked like a sieve and I don’t think it was achieving lock up. Post rebuild it no longer leaks, has nice crisp shifts and seems to be getting lock up, however, it shifts very quickly on the way up (1800-ish or less under normal street driving) and holds onto each gear way too long on the way down (I find myself at 1000 RPM frequently). The motor does not feel happy here - bordering on lugging. This is not how it ran pre-rebuild.
We thought it was just a matter of TV cable adjustment but there is none left in this cable. We’ve got another on the way but before we start adjusting I thought I’d check on where it should be shifting (up & down) and when lock up is supposed to lock and unlock. Having difficulty locating that info (I have the AIM and crossfire service manuals but not the regular service manual).
We also had to go through the rear diff and changed ratios from the stock 2.71:1 to 3.08:1. We did change out the driven speedo gear and read about 3 MPH faster than actual - not that this should mean much to a non-computer controlled transmission but thought I’d throw this info into the mix.
recently had the 700R-4 in our ‘82 rebuilt. Before, it leaked like a sieve and I don’t think it was achieving lock up. Post rebuild it no longer leaks, has nice crisp shifts and seems to be getting lock up, however, it shifts very quickly on the way up (1800-ish or less under normal street driving) and holds onto each gear way too long on the way down (I find myself at 1000 RPM frequently). The motor does not feel happy here - bordering on lugging. This is not how it ran pre-rebuild.
We thought it was just a matter of TV cable adjustment but there is none left in this cable. We’ve got another on the way but before we start adjusting I thought I’d check on where it should be shifting (up & down) and when lock up is supposed to lock and unlock. Having difficulty locating that info (I have the AIM and crossfire service manuals but not the regular service manual).
We also had to go through the rear diff and changed ratios from the stock 2.71:1 to 3.08:1. We did change out the driven speedo gear and read about 3 MPH faster than actual - not that this should mean much to a non-computer controlled transmission but thought I’d throw this info into the mix.