Piston Grades
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coaster
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Hi, can anyone explain the grading applied to TS1 pistons, they are supplied as either A, B, C, D grade but no explanation of what that means on the MB site. Rayspeed site seems to be down at the moment
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bazman
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Very slight increments in size A being the smallest and D the largest, basically say if you have a "B" grade barrel you'd match it with the same piston , unless you're barrel has a lot miles on and is starting to become worn a "C" grade piston would be used to take up some of the slack!
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coaster
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Ah, so we're talking slight oversizes to match to the nicasyl linning rather than the 1st, 2nd, 3ed oversizes for normal iron bores?bazman wrote:Very slight increments in size A being the smallest and D the largest, basically say if you have a "B" grade barrel you'd match it with the same piston , unless you're barrel has a lot miles on and is starting to become worn a "C" grade piston would be used to take up some of the slack!
Cheers
Colin