Determining converter stall range
Thread Starter
Melting Slicks
Joined: Mar 2004
Posts: 3,472
Likes: 18
From: Lake Ozark, MO
Determining converter stall range
How do you determine what stall range a torque coverter should be in? The torque on my 454 is flat at 475 lb ft (2500 rpm) all the way to 5500 rpm..but I'm being told I need a 3200 stall? Why? I would think I only need stall to 2500 where peak torque occurs?
Race Director
Joined: Nov 2000
Posts: 11,872
Likes: 12
From: Waterloo ontario Canada
You don't get the stall that is advertised out of a converter. Even a 3200 stall converter will move the car as soon as it is put in gear. If you lock the brakes and push the gas you will not get 3200 without breaking the tires loose.
There is also a flash point. Sit at a idle with the brakes on, release the brakes and at the same time floor it and the converter will flash and the rpm sometimes jumps higher then the stall speed.
There is also a flash point. Sit at a idle with the brakes on, release the brakes and at the same time floor it and the converter will flash and the rpm sometimes jumps higher then the stall speed.
Safety Car
Joined: Oct 2004
Posts: 3,926
Likes: 739
From: Youngstown Ohio
Originally Posted by Hvymtlc5
How do you determine what stall range a torque coverter should be in? The torque on my 454 is flat at 475 lb ft (2500 rpm) all the way to 5500 rpm..but I'm being told I need a 3200 stall? Why? I would think I only need stall to 2500 where peak torque occurs?
