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JoeMag JoeMag is online now
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Join Date: Jul 2005
Location: Cleveland, OH
Posts: 1,377
Very interesting concept with two by-passes in the filter. Would be interesting to see what the pressure differential is across the filter versus rpm for a 911 motor with GT3 oil pump. I could not find on the HUBB website what the set points were of the two by passes, anyone know?

Pulling out some data from a post of mine a few years ago, it can be seen that most of the time the OC229 filter I was running was running in by-pass with a ~40psi differential across the filter. ...I changed to the W719/22 that Scott mentioned shortly after these measurements were taken, but never put both sensors back to see if the differential was lower with the larger oil filter.




Note: graphs are labeled incorrectly. Orange is oil pump out (point 1), and blue filter outlet (point 10)

Last edited by JoeMag; 08-08-2023 at 10:01 AM..
Old 08-08-2023, 09:55 AM
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