stall speed
Senior User
Joined: Jul 2001
Posts: 465
Likes: 1
From: Tower MN, Houghton MI
the stall speed is the maximum speed the engine can turn at full throttle, without turning the tires. However just holding the brakes will normaly not hold it back, you normaly need a trans brake. Most stock convertors are around a 1600-1800 rpm unit.
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New User
Joined: Feb 2003
Posts: 24
Likes: 0
So there is really no reason to change torque converters if I were to really beef up my engine performance for street or off road. I'm not talking more than 400 hp though. Stock torque converter should be fine right.
Senior User
Joined: Jul 2001
Posts: 465
Likes: 1
From: Tower MN, Houghton MI
higher the stall speed, the faster it gets in the powerband.
what are the specs on your motor?
whats the weight?
what gears?
what size tires?
what tranny?
what are the specs on your motor?
whats the weight?
what gears?
what size tires?
what tranny?
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Posting Guru
Joined: Jun 2003
Posts: 1,854
Likes: 1
From: Des Moines, Iowa
some cams need to idle higher than stock and you would need a higher stall converter to avoid some heat built up. also with some cams that make power at a higher RPM range you need a stall converter to let it rev up there before going.
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Senior User
Joined: Jul 2001
Posts: 465
Likes: 1
From: Tower MN, Houghton MI
well, your gears are going to hurt you alot, but with a big block you should be fine for low end. I would say a 2500rpm stall would help you out quite a bit. a 3500 would make it haul ***, but probably heat up going down the highway, because your cruise rpm is so low.
Cargo Master
Joined: Dec 2003
Posts: 2,735
Likes: 38
From: Sunny Florida
Like texan said the cam shaft is a big factor in selecting a stall. If you have a cam that has a power band from 3,000 to 7,000 then you would need a stall converter around the 3K range because that's where you power band starts. if you have a can that runs well from 1500 to 5500 then a stock converter will be fine but it would perform a little better with a little more stall than stock.
You do not install a stall converter to improve performance of a car or truck. That is not what they are design to do. A stock motor has a slight stall in the converter and a race motor will have a stall converer to fit its power band.
If you install a 2,800 stall in a stock motor you would have nothing for power because you are half way through your power band before you ever get moving.
The best thing to do if looking at or for a stall converter is to call the cam manufacture and see what they recommend. For the most part it may be listed already in the description of the cam.
You do not install a stall converter to improve performance of a car or truck. That is not what they are design to do. A stock motor has a slight stall in the converter and a race motor will have a stall converer to fit its power band.
If you install a 2,800 stall in a stock motor you would have nothing for power because you are half way through your power band before you ever get moving.
The best thing to do if looking at or for a stall converter is to call the cam manufacture and see what they recommend. For the most part it may be listed already in the description of the cam.
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