I'd appreciate any advice from experts.
I have a 1976 A904-LA torqueflite with a "non lock up" converter behind a 318 V8 1976 Dart that I am trying to keep alive after quite a long garage sleeping (15 years).
The question is about slipage. This was my 1st set of wheels and my 1st torqueflite and the only complaint I had from the time I was driving it is that it sounds like slipping a bit when climbing a steep street (any gear) and when driving on the highway in 3rd gear it will show a higher RPM when the car is going uphill (for the same speed). The rpm increase is about 250 RPM for the same speed and always consistent:
In 3dr gear:
At 40 MPH it shows 2000 rpm and 2250 rpm to keep speed when on a steep road
At 60 MPH it shows 2500 rpm and 2750 rpm to maintain same speed driving uphill
The car is fast and does not appear to slip when in 1st, D or reverse if step on gas, tires smoke instantly.
Question is, the lock-up converter came to eliminate some TC slipage but how much slipage is normal on old non lock-up units?
Would a stall test tell me if the tranny (clutches and/or bands) is slipping? Can I do the stall test on reverse to check front clutch and rear band?
I've just finished doing some VB cleaning and installing a new TFSC shift kit, new filter and had the opportunity to check bands that for my total surprise were in great condition (rear band has never been adjusted and took less than 1 turn to adjust to spec, same for the front band, which might have been previously adjusted), drums look good.
I found some substantial amount of particles in the pan under the filter (stock pan did not have a magnet). I am quite sure the tranny has never been serviced. Pics at the end.
I am still in the process of filling it up with fluid and road testing.
I might have some other issues on my transmission such as leacky seals, worn frictions but how much rpm increase is normal for a non lock up TC on the road?
Some pictures:
http://imageshack.com/i/ex1DZ5zhj
http://imageshack.com/i/idNhggqtj
http://imageshack.com/i/idRBwSw4j
http://imageshack.com/i/f0s7g0thj
http://imageshack.com/i/f0oAsk2Mj
http://imageshack.com/i/exOArv4sj
http://imageshack.com/i/kq50SxePj
http://imageshack.com/i/p4gVUOimj
http://imageshack.com/i/iqvKlGTFj
http://imageshack.com/i/f0TUly9xj
http://imageshack.com/i/f0KuBwtRj
Thanks in advance !
I have a 1976 A904-LA torqueflite with a "non lock up" converter behind a 318 V8 1976 Dart that I am trying to keep alive after quite a long garage sleeping (15 years).
The question is about slipage. This was my 1st set of wheels and my 1st torqueflite and the only complaint I had from the time I was driving it is that it sounds like slipping a bit when climbing a steep street (any gear) and when driving on the highway in 3rd gear it will show a higher RPM when the car is going uphill (for the same speed). The rpm increase is about 250 RPM for the same speed and always consistent:
In 3dr gear:
At 40 MPH it shows 2000 rpm and 2250 rpm to keep speed when on a steep road
At 60 MPH it shows 2500 rpm and 2750 rpm to maintain same speed driving uphill
The car is fast and does not appear to slip when in 1st, D or reverse if step on gas, tires smoke instantly.
Question is, the lock-up converter came to eliminate some TC slipage but how much slipage is normal on old non lock-up units?
Would a stall test tell me if the tranny (clutches and/or bands) is slipping? Can I do the stall test on reverse to check front clutch and rear band?
I've just finished doing some VB cleaning and installing a new TFSC shift kit, new filter and had the opportunity to check bands that for my total surprise were in great condition (rear band has never been adjusted and took less than 1 turn to adjust to spec, same for the front band, which might have been previously adjusted), drums look good.
I found some substantial amount of particles in the pan under the filter (stock pan did not have a magnet). I am quite sure the tranny has never been serviced. Pics at the end.
I am still in the process of filling it up with fluid and road testing.
I might have some other issues on my transmission such as leacky seals, worn frictions but how much rpm increase is normal for a non lock up TC on the road?
Some pictures:
http://imageshack.com/i/ex1DZ5zhj
http://imageshack.com/i/idNhggqtj
http://imageshack.com/i/idRBwSw4j
http://imageshack.com/i/f0s7g0thj
http://imageshack.com/i/f0oAsk2Mj
http://imageshack.com/i/exOArv4sj
http://imageshack.com/i/kq50SxePj
http://imageshack.com/i/p4gVUOimj
http://imageshack.com/i/iqvKlGTFj
http://imageshack.com/i/f0TUly9xj
http://imageshack.com/i/f0KuBwtRj
Thanks in advance !
