40 PSI should be fine for short periods, especially if the car is
nowhere close to redline. 10 pounds per thousand RPM used to be the
standard, but better oils have made that less important. It's the ZERO
oil pressure you get with no accumulator that zaps you. I also like to
run the accumulator right into the oil gallery, where the accumulator
pressure is probably the same as full RPM oil pump pressure after all
the drops.
On Aug 14, 2008, at 5:56 PM, Norlin Engineering wrote:
> I noted that after hard
> braking and sending the oil to the front of the pan, and then
> turning left,
> the gauge was still dropping to 40 psi. Added another 1/2 quart and
> the
> pressure stays at 70-80 all the time.
>
> Luckily, the field of cars was small, so I had plenty of safe time
> to look
> at gauges where I normally never would. In discussing this with the
> engine
> builder, he told me not to worry if the dipstick shows overfull in
> the pits
> since there is so much oil flying around in the engine at speed.
> What you
> need to do is to establish a new fill mark on the dipstick. During
> all of
> this, I had no oil coming out of the breathers, so I don't believe I
> overfilled at all, even though I've now got 6+ quarts in the Spit.
> Over the
> winter, we'll look at some improved baffles for the oil pan.
>
> Hope this helps.
>
> Jim Norlin
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