Thread: SBC oil pressure problem

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you will get some valve train noise with roller rockers. when oil is cold it will be thick= hi psi when the oil warms up it thins .i seen engines set for kill loose on mains and rods.i seen them that have less then 20 at idle hot and as long as oil psi builds as rpms go up your fine . if rocker are steel stamp stock shoe type they get stem marks worn in and will make noise they go in and out of lash .alot of the builds with hyd lifter engines i drill 030 or so hole in the front lifter galley plugs to help with air lock gm did this on the early bbc .all the newer gm sbc have the plugs drill from GM.on the bearings i have seen them verry alot from the markers so you realy have to watch them for size getting past .002.5 on the rods/mains is a big deal with a stock pump if your looking for big numbers on oil psi i posted some of this on your other post