oil control

[peter paul fenske]

>Application is SBC with high volume oil pump which delivers about 90 PSI
>cold.  Oil supply lines are #4AN and drains are #6AN back to top of oil pan
>just below the block.  I'm having trouble believing that BOTH units could
>have been assembled improperly.  Is the oil seal a mechanical unit or does
>it have some sort of "packing gland" that can be replaced?  Could I have
>damaged it by excessive pressure, or could I just turn down the pressure and
>hopefully solve the problem?  I've never read anywhere that too much oil
>(pressure) is  bad for these things.
>
>Thanks in advance for any help you might provide.....
>
>                                                                            
>     Bill
>
>Hi Bill
>Don't have too much to help you. However I think while a buick would
>appreciate 90PSI this is too much for a chev. 10 PSI per 1000 RPM
>is the oft Smokey quoted figure and I believe high oil pressures
>would aggravate your leakage problems. When in doubt go to high
>volume not high pressure with a SBC. Run a separate filter for
>the turbos and consider a Harrison oil cooler since it sounds
>like you have quite a shack there.
>Well thats about 3 sense. Hope someone can help you more
>GL: peter
>Ps the challenge series race cars often ran with three quarts of
>oil and low pressure max 45 PSI and engines usually ran
>the full racing season.
>