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EarlyBay Forums
Technical
Compression Readings and Oil Pressure For New Engine
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<blockquote data-quote="mike.s" data-source="post: 603891" data-attributes="member: 13548"><p>So I finally have some oil pressure but maybe not enough yet!</p><p></p><p>I splashed out and bought a new oil pressure gauge and a sender. I also removed both oil relief springs and changed the shorter control one for one from another engine - mine was 30mm - other one was 32mm. Both plungers moving well and no play in the bored.</p><p></p><p>Also removed the stock oil filter and cleaned it as was getting a bit clogged with assembly lube which must've washed down to it</p><p></p><p>With all this done together after idling for about 25 mins and at about 60c, pressure is about 20 psi which rises to about 40 psi at 2k rpm -increasing to 3k rpm gives 45psi.</p><p></p><p>Not sure what else to do now - I have visions of a cam bearing dropping out on assembly or one of the crank bearings being over sized, but if this was the case I'd have hardly any pressure?</p><p></p><p>I tempted to invest in a decent well manufactured oil pump like the 26mm CB performance one.</p></blockquote><p></p>
[QUOTE="mike.s, post: 603891, member: 13548"] So I finally have some oil pressure but maybe not enough yet! I splashed out and bought a new oil pressure gauge and a sender. I also removed both oil relief springs and changed the shorter control one for one from another engine - mine was 30mm - other one was 32mm. Both plungers moving well and no play in the bored. Also removed the stock oil filter and cleaned it as was getting a bit clogged with assembly lube which must've washed down to it With all this done together after idling for about 25 mins and at about 60c, pressure is about 20 psi which rises to about 40 psi at 2k rpm -increasing to 3k rpm gives 45psi. Not sure what else to do now - I have visions of a cam bearing dropping out on assembly or one of the crank bearings being over sized, but if this was the case I'd have hardly any pressure? I tempted to invest in a decent well manufactured oil pump like the 26mm CB performance one. [/QUOTE]
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Compression Readings and Oil Pressure For New Engine
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