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Re: what is the correct oil pressure for a small block
factory gauges aren't really that accurate. they give you a good estimation but are not spot on. An engine needs at least 7psi to run. 14.7psi=1bar. You will be fine with what you have even at cruising speed 15psi is enough. If you still have quals about it install an aftermarket mechanical oil pressure gauge. Ye you have to run an oil line into the cab but if you protect it you will be fine. Thats the best way to see what your running. You can always replace you factory oil pressure sensor for a more accurate reading. Once you start getting 10psi at idle then look into a rebuild, most likly will be main bearings or cam bearings. at that point you might even get a little lifter knock.
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