Ah exactly ,
And indeed its my reason , the engine block that I use in my dailycar has been heavily used during his life (redneck life :sad6:) and suddenly my present oil pressure is at the cost of hv assuredly .
Now one idea : engine rebuild > oil pump stock > ricer driving (street or occasional strip) ........ i see some people use a driveshaft renforced for security ? (standard driveshaft are bad quality ?)