Engine Torque vs Power

NachaLuva said:
Remember also that power at the flywheel is much more than at the wheels due to powertrain losses. IIRC its ~30% for a normal 2wd, more for an AWD (has to turn 3 diffs instead of just one)
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The quoted 169kW at the flywheel became 126kW atw on Chip Torque's DynoDynamics dyno at Nerang, a 25% difference. Strangely though, the 320Nm of torque became 330Nm atw. From what I read on VW forums, fwd Golfs only lose around 10-15% from flywheel to atw. My XT now has 142kW and 380Nm atw - torque that feels like it's going to rip the bitumen off the road at times such is the grip it has.
 
guzzla said:
. My XT now has 142kW and 380Nm atw - torque that feels like it's going to rip the bitumen off the road at times such is the grip it has.
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Jeeze Guzzla, 380nm through the 5speed box, you must be on the borderline of it input torque limit!!

Will be a blast to drive :ebiggrin:

I only produce 333nm atw peaking at 3700rpm's and my 5mt gearbox sometimes struggles with that. Good excuse to update :raspberry:
 
catchya said:
Jeeze Guzzla, 380nm through the 5speed box, you must be on the borderline of it input torque limit!!

Will be a blast to drive :ebiggrin:

I only produce 333nm atw peaking at 3700rpm's and my 5mt gearbox sometimes struggles with that. Good excuse to update :raspberry:
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No, I've never thought about it as I'm a fairly sympathetic driver IMHO and never abuse it. The clutch is original, super smooth & takes up with no slippage - feels like it will last forever. The gearbox is also quiet & tight as the day it was delivered.

I love the way I can cruise around quietly in my XT taking it up to 3000rpm in each gear, picking up the next gear at around 2200rpm and it is just so smooth, crisp & torquey feeling. And then the maniac occasionally takes over & the excitement playing between 3000rpm & 6800rpm is breath-taking.
 
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