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Power Strokes
7.3 Aftermarket
DD clutch for a ZF6 What do you all use?
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[QUOTE="Charles, post: 684704, member: 103"] To be honest, I never found a good solution. I will say that I came across a cast aluminum master/slave assembly at an auto parts store that I have in my 550. Much firmer than the plastic ford junk. As for the friction material, if you plan to slide that clutch (4000rpm launch) then you simply can't run ceramic buttons in my opinion. They will glaze over and start chattering on you. They can't take that kind of sh*t. A ceramic button wants to lock in and hold. It doesn't want to slide, heat up and glaze over. For that, you need organic... (cringes...), iron or maybe brass. Iron is incredibly resilient, but also incredibly HEAVY. Always bare in mind the heavier the disc weight, the slower the shifts. The weight of that disc(s) determine's the momentum the syncros must slow down, and speed up to make up and down shifts. The heavier it is, the slower the shift and the greater the syncro stress. This is where people ditch the hub springs to save weight, and sometimes pure real-estate. And while it does both of those, it also beats the SH*T out of your input shaft and everything behind it because combustion engine power is NOT smooth power. Every cylinder explosion warps that crankshaft and shocks that clutch disc. You can loose the springs and save weight on a dual disc, but you kill your trans sooner, plus is sounds like rolled over death, rattling the bearings out of it with no dampening. I don't know man. I gave up. To be honest, if someone held a gun to my head and said I had to daily drive a ZF again, I'd probably be looking into a Wilwood or similar shaft-mounted throwout bearing so I could run intense amounts of plate to get the torque capacity without multiple discs. But even then.... you can't slide it, so that's out for you. If you're going to slide it, it must have multiple discs to share the heat/wear. Then it gets heavy, so.... Don't know... [/QUOTE]
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7.3 Aftermarket
DD clutch for a ZF6 What do you all use?
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