Single disk clutch disk better than 2?
08-30-2016, 07:38 PM
#1
Rennlist Member
Thread Starter
Single disk clutch disk better than 2?
The later 5sp cars had single clutch disk. My '80 was converted using an S4 flywheel. I have no idea what the clutch is like in my red car and now wondering if I should switch to a single using the parts from my 85 parts car.
08-30-2016, 08:49 PM
#2
Rennlist Member
Van, the '85 (and the red car) should be twin disk, the single started in '87. Lots of folks have swapped both ways, so you will have to look. The twin has a lighter pedal, longer travel, holds more torque and can be fiddly to adjust.
08-30-2016, 09:18 PM
#3
Rennlist
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And I just installed new discs.....
__________________
greg brown
714 879 9072
GregBBRD@aol.com
Semi-retired, as of Feb 1, 2023.
The days of free technical advice are over.
Free consultations will no longer be available.
Will still be in the shop, isolated and exclusively working on project cars, developmental work and products, engines and transmissions.
Have fun with your 928's people!
greg brown
714 879 9072
GregBBRD@aol.com
Semi-retired, as of Feb 1, 2023.
The days of free technical advice are over.
Free consultations will no longer be available.
Will still be in the shop, isolated and exclusively working on project cars, developmental work and products, engines and transmissions.
Have fun with your 928's people!
08-30-2016, 11:45 PM
#4
Rennlist Member
Thread Starter
The 85 parts car has an S4 motor so I assume that it has a single disk. The clutch in my 86 is very light. Just curious why the change was made. I had assumed it was easier for the dealers to service and of course there were fewer and fewer manual's.
08-31-2016, 12:28 AM
#5
Rennlist Member
They could have kept the dual disk if it was working in your parts car. Only way to find out is to drop the lower bell housing and have a look.
08-31-2016, 02:32 PM
#6
Rennlist Member
i used and swapped out the single disc to a dual disc because it holds more torque AND is 20lbs lighter and thats rotating mass, so its effect is very noticeable when quick reving the car.... and a possibly in 1st gear where acceleration rates are high and it has more of an effect.
08-31-2016, 06:27 PM
#7
Burning Brakes
i used and swapped out the single disc to a dual disc because it holds more torque AND is 20lbs lighter and thats rotating mass, so its effect is very noticeable when quick reving the car.... and a possibly in 1st gear where acceleration rates are high and it has more of an effect.
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08-31-2016, 07:42 PM
#10
Rennlist Member
i dont know the differences , Jim does, but the early and later cars have slightly different components. but generally they work the same.
