I'd swap out those two 90's for long radius versions... or sweeps. There's a ton of loss of flow using two 90's like that. Not being "critical" of your installation... just sayin' that with oil pressure and FLOW (volume)... it's pretty important. Pressure and volume being two different animals.
You're right though! Nothing gets past those filters! My crankshaft and bearings show the results - completely undamaged even though my camshaft looks like someone beat it with a hammer.
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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