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cliffyk · 01-08-2009, 12:44 PM

To expand a bit on AmericanPowertrain's excellent post I like to emphasise the "torque not HP" issue. Power transmission components are always rated by torque, with HP being only relevant when torque and the unit's rpm limits are being discussed.

The 3650 is rated by Tremec as being capable of handling 360 lbft of torque (the 351 quotes may be a more realistic spec for racing)--at 2000 rpm that's only 137 HP (360 * 2000 / 5252), but at 6000 rpm 360 lbft = 411 HP.

So, asking "how much HP can a transmission handle" without specifying rpm, is not really a question that can be answered without making assumptions as to the motor/engine and application...

01-08-2009, 12:44 PM	#15
cliffyk 5th Gear Member Join Date: Dec 2006 Location: Saint Augustine, FL Posts: 4,262	To expand a bit on AmericanPowertrain's excellent post I like to emphasise the "torque not HP" issue. Power transmission components are always rated by torque, with HP being only relevant when torque and the unit's rpm limits are being discussed. The 3650 is rated by Tremec as being capable of handling 360 lbft of torque (the 351 quotes may be a more realistic spec for racing)--at 2000 rpm that's only 137 HP (360 * 2000 / 5252), but at 6000 rpm 360 lbft = 411 HP. So, asking "how much HP can a transmission handle" without specifying rpm, is not really a question that can be answered without making assumptions as to the motor/engine and application... __________________ -cliff knight- My Mustang 2003 GT, UPR X, Magnaflow, 180° stat, PP 70mm TB & plenum, Sniper tuned 3.73s, 262 rwHP/305 ft.lb. Multi-fuel: burns gas and rubber...