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      12-14-2010, 02:45 PM   #46
Doug007
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Drives: Spacegrau 2009 335i 6MT
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If HP and TQ are on the same scale they will always cross at 5252 rpm.

If, however, the scaling is different they will cross somewhere else. The dyno on the top of page 2 has HP on a 0-350 scale and TQ on a 0-400 scale and the curves cross at about 4700 rpm. Plot them both 0-400 and you would be back to crossing at 5252rpm.

Quote:
Originally Posted by LaLakers91tc View Post
they shouldn't ever cross at any other number....
HP is a number derived from Torque (foot pounds) x RPM / 5252

Thus at 5252 on every graph, torque will equal hp
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