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| Home Repair (alt.home.repair) For all homeowners and DIYers with many experienced tradesmen. Solve your toughest home fix-it problems. |
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#81
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OT break in oil for a new car
"Tony" wrote in message ... wrote: This is because at that temperature the pressure releif (or regulator) valve can be extremely reluctant to move. Exactly! Having the wrong oil means there IS something wrong with the engine. It has the wrong oil! And it makes the bypass move a little, or a lot slower and presto, blown oil filter. Ever try to pull start a little briggs engine with straight 30 weight oil in the middle of winter. You better believe things move slow. If the pressure regulator is reluctant to move, then that is what is wrong with the engine... |
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#82
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OT break in oil for a new car
On Wed, 23 Dec 2009 18:08:16 -0800, "Zootal"
wrote: "Tony" wrote in message ... wrote: This is because at that temperature the pressure releif (or regulator) valve can be extremely reluctant to move. Exactly! Having the wrong oil means there IS something wrong with the engine. It has the wrong oil! And it makes the bypass move a little, or a lot slower and presto, blown oil filter. Ever try to pull start a little briggs engine with straight 30 weight oil in the middle of winter. You better believe things move slow. If the pressure regulator is reluctant to move, then that is what is wrong with the engine... No, it is working as designed - but the wrong oil is installed. The film of 30 weight oil surrounding the valve plunger is so thick/stiff/solid at -40 that it is physically impossible to move it. SAE20W is bad enough, and straighr SAE20 is even worse. |
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