Torque Converter Stall Selection?

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Jun 27, 2003 | 11:48 PM

Dougs 90

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From: Rolla Mo

Torque Converter Stall Selection?

How do you determine the stall setting for a lockup converter? I have a ZZ4 Crate motor and HotCam with the stock intake. I want to put a lockup converter in, I don't drag (may make a few passes when I feel she is ready though!), just drive spiritedly. I am also running a 2.59 rear currently. I am looking to go with a 3.07 or a 3.31. How do I determine the best stall range for my car?

Thanks,
Doug

Jun 28, 2003 | 12:43 AM

vader86

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Re: Torque Converter Stall Selection? (Dougs 90)

If you wanted the very best launch, you pick a stall about 500rpm below your torque peak.

If you want to drive it daily though, anything above about 2600 will mess with your nerves and takes some gettin used to.

Id use 2400 if i were you.

Jun 28, 2003 | 12:49 AM

65Z01

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Re: Torque Converter Stall Selection? (Dougs 90)

I installed a 2,000rpm TC (stock was 1,500rpm) and it's great for street and strip as I drag race on street tires.

A looser TC will get you higher into the power band but you won't be able to hook it up without sticky tires, especailly after you do gears. Even with my 2.59s the skins go up in smoke if I hammer it on the street.

I suggest you install a TransGo shift kit for a nice kick on a WOT 1-2 shift and yet good manners on part throttle shifts.

Jul 8, 2003 | 09:07 PM

Dougs 90

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From: Rolla Mo

Re: Torque Converter Stall Selection? (vader86)

2400 eh? I scored a Dana 44 with 3.55's, should I stay with the 2400 stall? And is that the beginning of the stall range or the end? Any Brands recommended?

Thanks,
Doug

Jul 9, 2003 | 08:15 PM

Rick86

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Re: Torque Converter Stall Selection? (Dougs 90)

The saying "you get what you pay" for well I don't neccessarily subscribe to that in every case. Generic Asprin is just as good as name brand. I got a TC from a local company that builts TC's to your specs. They use brazed fins, needle bearings, torrington bearings, basicaly all the good stuff the other expensive guys use. The name of the company is PDQ. I paid less than $200.00 for a 2500 stall TC. I'm happy with the everything including the stall speed.

Jul 9, 2003 | 11:19 PM

Dougs 90

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From: Rolla Mo

Re: Torque Converter Stall Selection? (65Z01)

Quote:

I suggest you install a TransGo shift kit for a nice kick on a WOT 1-2 shift and yet good manners on part throttle shifts.

That seems to be the consensus with my tranny guy, he says that is all he uses! Now to just figure out what stall to go with! 2000 to 2400 seem good? I am thinking no greater than 2600.

Jul 9, 2003 | 11:36 PM

vader86

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Re: Torque Converter Stall Selection? (Dougs 90)

With the 3.45s Id probably stay on the low side, like 2000rpm.

Jul 10, 2003 | 11:32 AM

War Machine

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Re: Torque Converter Stall Selection? (Rick86)

Quote:

I got a TC from a local company that builts TC's to your specs. They use brazed fins, needle bearings, torrington bearings, basicaly all the good stuff the other expensive guys use. The name of the company is PDQ. I paid less than $200.00 for a 2500 stall TC. I'm happy with the everything including the stall speed.

That's good info! :cheers:

I doubt they have a free re-stall policy but, even if you had to buy another converter, it would still be cheaper than a used Vigilante or Yank. :cool: