How should I safely boost oil pressure?

[jim fling]

I did a complete engine rebuild and installed Carrera tensioners at that time with the chain wheel supports #910975 and 74. The engine runs fine and but the oil pressure is low compared to other 911 engines I have rebuilt or owned. 10 psi at warm idle and 40 at 2000 RPM. Also at idle there is a LOT of chain noise sounding like a collapsed tensioner. Steve at Rothsport in Oregon told me that the Carrera tensioners will cause a loss of 10psi in oil pressure. Is that true?? Also would the cam oil pressure restrictors be a good idea or would the cams be starved of oil?

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This post was auto-generated based upon a question asked on our tech article page here: Pelican Technical Article: Upgrading to Late-Style 911 Carrera Chain Tensioners - 911 (1968-83) - 930 Turbo (1975-83)

[Nick at Pelican Parts]

These tensioners require more oil volume to maintain tension. You should look to boost oil pressure with more high volume oil pump or stiffer oil pressure relief spring in the oil pump. Cam oil pressure restrictors will boost oil pressure but may not provide adequate oil pressure to the cams. What is the point of high oil pressure if it is not getting to the components that need lubrication?

- Nick