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Old 08-18-2008, 11:48 PM
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stall converter help????

I know this may sound dumb but how exactly does a bigger stall converter work and what is it like driving a car with a 3000 stall in it?? Like stop light take offs and street manner wise?? I am kinda new to the stall thing???Thank you in advance.

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Old 08-19-2008, 12:47 AM
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Doesn't sound dumb at all...

Simply put, the stall speed allows the engine to rev higher before moving the vehicle. A 3000 rpm converter will feel a little more 'soft' if you will. The shifts won't be quite as noticeable until you really get into it. It allows the engine to get at least 'closer' to the heart of it's power band.

Camshaft and converter selection go hand in hand.

If your engine has a 'lumpy' cam, with a higher stall speed when you pull it into gear, the engine will idle much better.

Some converters in overdrive automatics can stall ridiculously high for the launch, but have an internal clutch to take the stall to 'zero' for increased efficiency while cruising.

Dig?

BTW- welcome to Hotrodders.
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Old 08-19-2008, 08:14 AM
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Here is a good overview of how torque converters work, with a specific section on stall about half-way down...

Stall explained...
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