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Yes, that is why you do not run Aluminum pistons in Aluminum cylinders, the metal comes off one surface, welds to the other, then goes the other way- gauling or friction welding (they actually have friction welding machines that just rub two things together like that). I would DLC the cam and leave the rocker soft, since the rocker is already designed to break if the piston hits valves. Then the cam never wears and you will replace rockers if the lubrication fails.
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1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
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