have 1993 buick park ave, ultra recently put timing chain and harmonic balancer on, ok car ran great for two days then hose blew and car overheated. now when i start it up i get about 100 lbs. of oil presseure at start up and as the car warms up i lose oil pressure down to red line status and car shuts off. what could have happened, motor still sounds good but somthing is not right. car was running fine but 100 lbs of pressure? use to start at about fifty,,then dwendels done to nothing, dont get it. thanks in advance....RUSS
Optional Information:
1993
Buick PARK AVE 3.8 SUPERCHARGE
Already Tried:
CHANGED OIL, NEW OIL PRESSURE SENDING UNIT
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