Originally posted by Wanganstyle
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S54 advice and considerations
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Originally posted by The Dark Side of Will View PostThanks! I was thinking I was going to have to be the ass who points out what Torsen is... ;)
Like Wanganstyle said, changing the number of clutch disks changes the relationship of locking torque to clamp load on the disks.
IE, (pulling numbers out of the air) a 45 degree ramp with a 2 plate clutch pack might deliver 200 ftlbs of locking torque at a given driveshaft torque. The Bellville spring might give it 50 ftlbs of locking torque from preload.
The same ramp with a 4 plate clutch would deliver 400 ftlbs of locking torque at the same driveshaft torque. The same bellville spring in the 4 plate unit would have 100 ftlbs of locking torque from preload, BUT using a softer bellville spring can drop the 4 plate unit back down to 50 ftlbs.
So the number of disks *DOES* affect the slope of the locking torque vs drive torque curve.
LJ851 posted while I was writing, but I already knew what a bellville spring is ;)
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as far as S54 news is concerned; currently working on a parallel DME solution to allow for "obd2" port function with S54 and OBD2 non s54 DME......
Originally posted by giantkeeper View PostSoo, about those S54's :D
silly little fingers are awesome.
hiding in the woodwork, machine shop was double thumbs up on all the OEM CNC work.
Last edited by Wanganstyle; 09-22-2011, 11:52 AM.OBD1 M54/M52TU swap as a M50b25
Z4 non powered steering rack fits e30
Euro e46 2005/6 320d 6mt gearbox into E30 with M20 hardy and beck 1985 327s engine
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VinniE30 m42 should work.Projects Hartge,Alpina & AC Schnitzer Builds.http://www.r3vlimited.com/board/showthread.php?t=280601
http://www.r3vlimited.com/board/showthread.php?t=227993
http://www.r3vlimited.com/board/showthread.php?t=289362
DSC04926 by Raul Salinas, on FlickrDSC03413 by Raul Salinas, on Flickr
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