Technical > Dan Dishon's Transmission Den

Help school me on converters

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retroboy:
Howdy
Back in the day I ran a Clutch-flight,  wind 'er up drop the clutch and change gears - easy. Now some decades later I've built a new FED and fitted a conventional converter driven trans. What a nightmare. Latest thing I have to ask is about converters in hand or foot brake cars. I have a Turbo Action converter that was in an A body Mopar and stalled at 5200. I don't have the vehicle weight so don't expect that sort of number but I can only hold it at 2000 rpm on the brake and it doesn't flash just drives off the line like a slug. WTF.
Cheers

digster:
2000? That's not going to do it. more info needed. is this an 8 inch converter?

retroboy:
It's a 9" converter

ricardo1967:
Torque converter stall speed is a function of:

1. Torque converter design.
2. Engine horsepower spinning it.

If the converter is the same and it was indeed stalling at 5200 rpm with the previous engine, that indicates that the new engine is making less hp.

retroboy:
Correct on both counts but it was in a Dodge Dart and now is in a 1150 pound slingshot. I can't hold it with my hand operated brake 'coz it wants to drive and I really didn't expect it to flash to high again because of the vehicle weight but this is crazy. I feel as if I should have built a little extra space into the car an stuck with the clutch-auto.
Cheers

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