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  #1  
Old 10-24-2003, 11:30 AM
ohioDemon ohioDemon is offline
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Default cam and stall speed

i would like to know what the effects of increasing cam duration at .050 have on a given stall speed.
does a smaller cam generate more stall ? an example would be
224/230 @050 versus240/246@050.
i'm debating a cam change and would appreciate the info.

thanx
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  #2  
Old 10-24-2003, 11:38 AM
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panic panic is offline
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Yes.
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Old 10-24-2003, 01:55 PM
coolcarz coolcarz is offline
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smaller cam would give you less stall , because it produces less torque. if im reading your question right.....
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Old 10-24-2003, 04:36 PM
Billydelrio Billydelrio is offline
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The stall rpm of a given converter depends on how the torque curve of the engine and the stall curve of the converter match up. If the 224 stalls a converter high on the converter curve, then the 240 will stall the same converter at a lower rpm due the torque curve of the engine being rocked to come in higher at a higher rpm. If the converter is "loose enough" such that the 224 stalls the converter on the low end of the converter's stall curve, then the 240 will stall it at a higher rpm.

With a stock converter, the 224 will stall higher than the 240.
With a "5500" converter, the 240 will stall higher than the 224.

Billy
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Old 10-24-2003, 04:41 PM
Billydelrio Billydelrio is offline
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More:
A cam of larger duration and more overlap will require a converter with a higher stall speed. It is possible to over stall just as you can under stall a combination. Engine, car, and usage information as you know, will allow folks to determine what combination is best.

Billy
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Old 10-24-2003, 09:29 PM
b-1ken b-1ken is offline
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Generally speaking, a larger duration camshaft will DECREASE the stall speed. Advancing a race cam will increase stall speed.
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