Originally Posted by TJP
Originally Posted by Transman
Horsepower is not in the calculation.

Torque is.

Problem is you need to know what the K factors are for each converter and the torque output of the engine.

Always been like black magic to me shruggy
What does one do if they do not know the torque output of the engine?
Second question: If one does know I ASSume you would use peak torque ?
Third question: Would the stall speed be determined by the peak torque RPM?
Fourth question: How does one establish whether they will get a tight or loose stall?

Not trying to be a pest and no need to answer if the questions are "black magic" LOL beer


You can’t effectively compare two converters without knowing the K factor for those converters unless you try them both in the same car, same conditions.

You could back in to the numbers (K factor) if you had an engine with a given torque rating and tested both converters under the same conditions (weather and same car).

The more torque you make the higher the stall. Period. That’s why engineering uses K factor.

But there are other things that affect E.T. And starting line performance. Stall torque ratio is one of them.