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is that normal? Seems low. 1.8l stock motor, when getting her up to 4th she goes up to 40, but around 30 when in 4th.

New to luvs myself so I cannot answer to if 20 is OK. A manual will tell you spec on what motor calls for. Are you trusting a stock gauge in dash, there known to read inaccurate. I would hook up a tester or after market gauge to oiknow port and see what it reads. What I can tell you is you have worn main or rod or cam bearings. The reason pressure goes up is your oil pump is spinning faster with more rpm's forcing more oil into valleys more oil = more psi. Just because there worn doesn't mean anything to bad really. Race motors are built with more gap in bearings to allow componentsome i.e. crank to float and spin with less resistance.

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I have forgot more than most will ever know.

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Certified pilots, looking down on people since 1903.

I forgot about relief good catch luvr.

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I have forgot more than most will ever know.