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Old 10-17-2006, 05:05 AM
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Cam and stall converter

This may sound like a stupid question but I am new to this and I would honestly like to know. What are the effects of running a stock torque converter when the cam manufacturer says that a particular cam needs a certain stall?

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Old 10-17-2006, 06:33 AM
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Probably wouldn't have very good bottom end power.....If the cam manufacturer calls for a higher stall, it probably means that the cam is an upper RPM horsepower cam.

For the street, you want a lower torque cam.............generally.
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Old 10-17-2006, 06:57 AM
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Like Poncho said, If you run a big cam with a stock converter it's gonna be a dog out of the hole. On the street, you will want a converter with a little bit of stall at least to help with driveabillity issues,,at stoplights 1 foot on the brake, 1 on the gas to keep it from dying on ya, No fun. The main reason why they recommend a high stall converter is the converter is designed to slip to a certain rpm range before it fully locks up and will put the motor in the rpm range that the cam is made to work in and give you a better launch off the line. hope this helps, Perry.
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Old 10-17-2006, 07:04 AM
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Oh by the way, Welcome to the site. Alot of good info can be found here from alot of great people that like to help. Perry.
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Old 10-17-2006, 09:17 AM
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There are two main problems. Your take-off power will be sluggish since the engine doesn't efficiently make torque at the stock stall speed. That alone is almost worth it on a just-for-show street engine, but the second problem is idle speed. With a high performance cam comes a much higher idle speed. You'll have to stand on the brake pedal with both feet to stop it, and every time you drop it in gear it will be a pretty good shock to the drivetrain.
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