Need some help - How high is too high for water pressure?
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Need some help - How high is too high for water pressure?
I have a twin (stock) 1998 502 Mag MPI engine application. One of the engine's water pressure indicates 22psi at 3300rpm and goes up to 27 psi at 5000RPM. The other seems to stay under 20psi from 3K and up. Can someone provide some insight here? How does the cooling system regulate this pressure and is this pressure normal or too high at 27psi?