Originally Posted by Alvyn
what grade of oil are you using? as this can have an affect also!
mine with 10/60 Millers from cold 75psi dropping to 60psi when warm(at full throttle) 45psi on tick over!
I dont know if it matters, but I have a external oilcooler mounted and i'm using a mobil 1 oil, (5w50) ??????