Picked up an Autoclutch 6puk solid centre clutch plate and HD pressure plate. Solid centres are lighter, so are easier on the input shaft bearings and also make for quicker gear changes due to being lighter than sprung centres. Autoclutch torque the plate down to your flywheel and test the pressure the pressure plate will produce before there is any noticeable movement in the flywheel. 4385 lbs was what mine produced. Factory Silvia pressure plates produce 1900 lbs, and Exedy HD pressure plate produce around 2900 lbs. The pressure plate springs pivot so that the pedal force required is not that much more than factory. Looking forward to trying it out.
very interesting tid bit. keep these sorta threads coming!
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