1969 Bus Clutch Disk
Posted: Wed Nov 26, 2008 2:05 pm
Rigid or sprung?
I'm bettin on sprung to ease the heavy load in lower gears.
I'm bettin on sprung to ease the heavy load in lower gears.
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The spring mounted clutch disks are also easier on all of the metallurgy going back into the transmission. When you are knocking out a quick shift with a solid disk, your synchronizer teeth do not get the benefit of tweaking the input shaft a mm to mesh the slider. Then the entire inertia of the engaging engine is fighting against the entire inertia of the car itself through the ring and pinion. In a more esoteric opinion, the spring-mounted clutch disk also dampens the engine firing pulses from the gears. BMW got so excited by this, that they made a dual mass flywheel and a spring-loaded clutch disk to get rid of the Getrag transmission's penchant for "gear rattle."The Air-Cooled Ranch wrote:Run the springer, but not really for the reason listed. It's just easier to moderate/modulate a springer disc in those "stop - move a foot or two - stop - move another foot or two - ad nauseum" situations.