11-19-2019, 08:47 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by sea2jet
10 psi at idle seems very low.
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Actually, it's not -- depending on what your idle is, of course. Let's say you're idling down at 700 RPM with a hot idle at 10 psi in a brand spankin' new stroker FE, say a SCAT with the Chevy journals, and clearances approaching .003", and a nice HV oil pump. 10psi is nothing to even blink at, provided the pressure comes up right off idle. The original 427FE didn't even flicker the light until 6psi - and the service bulletin's recommendation for when that happened was to just raise the customer's idle a bit. The need for a higher psi at hot idle is all in your head.  |
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