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Norvin Single race bike first run
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<blockquote data-quote="Marcus Bowden" data-source="post: 127036" data-attributes="member: 3287"><p>Greg my handsome,</p><p>Why so much oil pressure going to the cylinder liners, I've had mine blanked off for thirty years.</p><p>The pump is a Honda 90 step threw and only supplies the cams at about 15psi (1Bar)</p><p>The next Comet will have the same pump but fed directly into the oil filter chamber so all oil is filtered then get as much pressure as possible to B/E bearing with 5 to 10 psi to cam, again no oil to cylinder liner.</p><p>About the 1950 Grey Flashes were tried with a plain bearing (RR77) but failed but no one mentioned any change in pumping arrangments, but PCV did wish he kept his gear pumps from the "A's". presently doing an "A" Comet with a plain bronze B/E with a 3/16" wide supply pump .</p><p>bananaman.</p><p>Yes there is a storie of a Two CV in the tropics requiring lubricating oil so they squeezed in ripe bananas and kept the engine going much more quietly than beore.</p><p> </p><p>[ATTACH=full]37107[/ATTACH]</p><p></p><p></p><p></p><p>[ATTACH=full]37108[/ATTACH]</p></blockquote><p></p>
[QUOTE="Marcus Bowden, post: 127036, member: 3287"] Greg my handsome, Why so much oil pressure going to the cylinder liners, I've had mine blanked off for thirty years. The pump is a Honda 90 step threw and only supplies the cams at about 15psi (1Bar) The next Comet will have the same pump but fed directly into the oil filter chamber so all oil is filtered then get as much pressure as possible to B/E bearing with 5 to 10 psi to cam, again no oil to cylinder liner. About the 1950 Grey Flashes were tried with a plain bearing (RR77) but failed but no one mentioned any change in pumping arrangments, but PCV did wish he kept his gear pumps from the "A's". presently doing an "A" Comet with a plain bronze B/E with a 3/16" wide supply pump . bananaman. Yes there is a storie of a Two CV in the tropics requiring lubricating oil so they squeezed in ripe bananas and kept the engine going much more quietly than beore. [ATTACH type="full"]37107[/ATTACH] [ATTACH type="full"]37108[/ATTACH] [/QUOTE]
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Norvin Single race bike first run
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