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Oil pressure relief valve


Vehicle Information: Model: 911T; Year: 1973; Body Type: Coupe; Engine (type, size, modifications): 2.4L - MFI - "E" spec rebuild; Total Mileage: 119K;

Hi: currently in the break in period on the new engine. Everything seems ok, however, would like to see a bit more oil pressure under higher revs. Know your reccomendations of 10 psi increase per 1000 rpm increase. We did the oil bypass mod & changed the oil pressure relief pistons to the modern ones. Should I install a couple of 6mm washers under the spring? And, do I do this to both piston springs?Thanks.

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