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Originally Posted by jonmark1985  Actually the motor is in pretty poor shape in my thunderbird, check my threads and I elaborate a little on it. But yeah, it sounds like the main bearings on my paticular car, I got heavy thump on initial start-up and around 1500-4000 rpm I have a healthy knock. Basically I'm just trying to keep the car going as long as I can. |
I did that with a 350 rocket in a '79 Olds Delta-88. The rod and main bearings were so worn out that the oil light would come on at a stoplight, even with 20w50 oil in it. You could hear the rod bearings hammering at high RPM's. That old motor ran like that for almost 15,000 miles before I sold it to some gangsta' from Chicago a couple months ago. He's probably still driving it...
