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The dampers would normally resist upward movement, but there is a bit of =
lost motion in the damper piston where it allows the piston to rise =
easily a very small amount before the damper starts acting. I've found =
this effect is greater in my HIFs than the HSs. If you mean cylinder =
head valves sticking I'd expect that to be more noticeable from the =
exhaust and intake sound.
PaulH.
----- Original Message -----=20
Something I did not mention before was that, at 3000 RPM in the =
driveway, both SU carb pistons flutter rapidly up and down. Might this =
suggest a sticking valve or two?
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<DIV><FONT size=3D2>The dampers would normally resist upward movement, =
but there=20
is a bit of lost motion in the damper piston where it allows the piston =
to rise=20
easily a very small amount before the damper starts acting. I've =
found=20
this effect is greater in my HIFs than the HSs. If you mean =
cylinder head=20
valves sticking I'd expect that to be more noticeable from the exhaust =
and=20
intake sound.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>PaulH.</FONT></DIV>
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<DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
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<DIV dir=3Dltr></DIV>
<DIV dir=3Dltr> Something I did not mention before was that, at =
3000 RPM=20
in the driveway, both SU carb pistons flutter rapidly up and down. =
Might=20
this suggest a sticking valve or two?</DIV><!--[if =
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