We took the regulator out and flooded it with PB Blaster and put it back together then waited a couple of hours and tried it again and it had full oil pressure. This car is suppose to be done by 10/3/12 our 25th wedding anniversary. We will have his and her 67 Firebirds. My husbands is a 400 4speed, but mine is a convertible so I think I win. maybe not in speed but for sure in the "Cool" department.