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why is a stall good?

This is a discussion on why is a stall good? within the Automatic Transmission forums, part of the Drivetrain category; I understand what it is, but why is it so great? What does it do to make my automatic that ...

  1. #1
    Member mr_r0bert0's Avatar
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    pewter
    2002 camaro z28

    why is a stall good?

    I understand what it is, but why is it so great? What does it do to make my automatic that much better. Are there any disadvantages? Also, what kind should I buy? And what size?

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    '00 Firebird WS6 T/A

    It keeps your engine running in the powerband, eliminating dead spots such as after shifting or during launch by working as a torque multiplier.

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    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    Advantage: With the proper stall (rpm wise) it'll put the engine right in the power band right now. Much better acceleration off the line = lots 'o fun to drive.

    Disadvantage: Until it hits lockup (40mph on my car) it'll rev like crazy (in my case 3,000rpm 1st to 2nd to 3rd to OD = 3,xxx rpm to lockup = 1500rpm) during normal driving. This lowers you mpg. Your mileage will be determined by how often you put your foot into the loud pedal.

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    Senior Member 00z28bubba's Avatar
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    because it lets you safely stall the rpms up to specs selected. most suggest 3k to 3400 for bolt on cars any more than bolt ons are usually recommended with higher stall speeds. to my understanding it lets you leave the line in your power band so instead of waiting for the car to catch up to the pedal at WOT it revs to the stall speed and launches the car starting in your power band. its similar to dropping the clutch on a manual car you can rev to the rpms wanted for the launch.
    2000 white z28, t-tops, free mods, intake, full exhaust, dyno tune, repro c5 z06 wheels, and some elbow grease here and there.

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    Member mr_r0bert0's Avatar
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    pewter
    2002 camaro z28

    thanks guys... i run at the track at the legal drag racing las vegas motor speedway provides. Do you say a 3000 is a good for street and the strip? and what make?

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    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    Quote Originally Posted by mr_r0bert0 View Post
    thanks guys... i run at the track at the legal drag racing las vegas motor speedway provides. Do you say a 3000 is a good for street and the strip? and what make?
    I have a 3400 Fuddle with a 2.4 STR. Your requirements may be different.

    BTW, you should have the tranny looked at and/or gone through. My tranny had only 43,xxx miles on it and it was slightly burned on the sun shell so it was replaced with a stainless steel one (The Beast - stock one is aluminum). While it was appart the friction disks were replaced with Raybestos disks and the valve body was drilled out. Also, I now have a shift kit controlling shifts (torque management was programmed out). You'll want to plumb in a tranny cooler as well.

    As you can see you'll need more than just a high stall converter to do this right. Being in the desert (I'm in Phoenix so I know this) makes a tranny cooler even more imperative.

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    K now here's one for ya'll: How can you tell if your car is stalled already? I'm under the impression that my car has a 2800 or so stall but traction issues keep it form working out right at the strip. It leaves/enters gears very powerfully and, as described above, doesn't lock up all the time. It was even coming unlocked on the highway and allowing rpms to build up higher than they should have. I've tuned for this in HPTuners but I can't decide if the stocker's on its last legs or if someone put a mild stall in it. Mileage is around 17/24 which is pretty bad for even an a4 LS1. Opinions?

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