5 Speed swap

DionR said

Agreed that a TC (without LU) will never be 100%, but it still seems to me that any RPM above stall isn't going to slip beyond that. And if stall is at max resistance, WOT is never going to see the same load since the car is moving.

I'm no TC expert, much more of a manual guy, so I am just guessing.

Click to expand...

I got you, I'm not an expert either but from what I do know... The engine RPM won't increase above stall when the car is stopped but the slippage doesn't disappear once the car is moving. The slippage is still there all the way to redline which is why drag racers sometimes use slippage percentage to determine how efficient their torque converter is. That's done by taking the engine RPM at the end of a pass and dividing it by the RPM of the transmission input shaft which is calculated based on trap speed, tire diameter and final drive ratio (as well as top gear ratio if it isn't 1:1). Converter slippage is generally around 5-10% at the end of a pass when calculated that way. By datalogging engine RPM and vehicle speed over the full run it's possible to find slippage percentage at other points during acceleration.