L3N71B 3-Spd Auto Tranny No Lockup?

[Carimbo]

Others have said the lockup at 37MPH is noticeable. On mine it is definitely not noticeable. FSM states the shock is low and hard to determine and suggests using a tach to verify a 200-400 RPM decrease.

Can you guys really feel it when the lockup kicks in?

My car has no tach but have wondered about fitting a temporary one (engine test meter) off the diesel's RPM counter. Would this work?

Would really like to know if the lockup is working.

[asavage]

It feels like another shift. It is not subtle. Mine is definitely on the 400 RPM end of that range. I have a stretch of commute that is 35 MPH, hilly, and it's a real PITA when I try to use the CC on that two miles of road, as it's locking and unlocking all the time.

Perhaps you don't have a L3N71B. What does the firewall plate say? Or maybe someone put a 3N71B in (gasser or diesel). I don't think it will have this on the side of it, if it's correct:

(archive photo from CL)


Come on out this way sometime, you can drive my '82 Wagon!