Originally Posted by
haz87
A CVH at 14psi hot isnt unheard of, 12 is heading to the more worrying end of the scale tho.
Pump, bearings, clearances - thats all it can be really. Was the pump genuine Ford or a cheapy autopumps pump?
Bearings decent quality?
Cam can have an influence also as the clearances here can lower pressure if worn.
genuine ford oil pump and mahle bearings.
What sort of psi for oil pressure under boost is good?