I've always believed when it came to drivetrain components, you should shoot for over your targets, rather than under. I looked at the JWT setup for my TT build that's upcoming, but I was recommended by Joe@ZSpeed to go Southbend because of the torque holding capacity.
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What did you find out as far as torque numbers for the 370 JWT?
And what does 1200kg of clamping force really mean?[/QUOTE]
I recommend giving Joe at Zspeed a call. He's very knowledgable and helped me with some info I needed yesterday for my estimated power numbers. Which was, 6 puck ceramic sprung ACT or Southbend clutch, 2500? lb pressure plate(stock was 900lbs less clamping force) southbend single mass flywheel, and of course HD CSC and new master cylinder. He knows his stuff.
Clamping force means how hard the pressure plate squeezes the clutch disc against the flywheel. Moar force, moar power, depending on clutch style and material.
Edit: I should be around 500whp and 380wtq also.