Two things at work here. First it only takes a few pounds to keep it oiled at
idle and that is all the pump puts out. Second the stock gauge is very
inaccurate at low pressure, it reads low. If you hooked up a good gauge you
should find about 5 psi at idle.
keith williams
>
> Today I got a chance to drive topless for about 20 miles while I picked
> up stainless steel screws to replace various screws around the interior
> and body. While I was driving it I noticed that when it idled down to
> about 700 RPM that the oil pressure drops to almost 0. At engine speeds
> above 1000 RPM or so it is 1/4 to 1/2 scale. How low should the oil
> pressure gauge be at idle? This is with fresh 10-40 oil.
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