Quote:
Originally Posted by markpj23
Had been flying on idiot lights thus far but now I have a gauge set for temp, volts and oil pressure. First ride today with the gauges.
Oil pressure started out around 55 psi then with the engine warmed up to 190 the oil pressure at idle would drop to 20 psi. Still 40 - 45 psi above idle.
Is this OK? I know nothing about the engine history except that it's an early 70s YT block with 6X heads. Had the valve covers off yesterday and it looks pretty clean up top anyway.
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20psi at idle is fine & 40-45 warmed up is ok too if youre not reving to 5000+. rule of thumb is 10psi for every 1000 rpm. also might want to connect a mechanical oil gauge if it isnt already to confirm the electronic gauge is accurate.
what weight oil are you running? thin oil will read lower psi than a thicker oil. if youre using a 10/30 maybe try a 10/40 or even 15/40 since youre in a warm climate next oil change to see if that raises the psi a tad.