suffolkpete
Member
The head gasket on my 2200SC blew recently. I replaced it and at the same time decided to renew the piston rings. On starting it I found the oil pressure is much lower than before, it used to be a solid 60 psi but now it's between 40 and 50 and when the engine is revved it rises slightly then drops back to a lower value than when it was idling. I replaced the big-end shells after this occurred but it made no difference whatever. Any ideas?