oil control

[Charlie North @Function First Motorsports]

Howdy William

On all the Installations I have done I use -10 return lines. Try putting a
pressure gauge on the -6 return at the turbo, if you see more than a few
pounds, go to a larger drain line.

Charlie-




At 04:35 PM 7/14/96 -0700, you wrote:
>Hey all you turbo gurus......
>
>Anybody have trouble containing oil in the turbos?  I have a setup with 2
>brand-new turbos that leak oil badly into the hot section causing great
>billows of blue smoke.
>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
>
>
>