If it were mine, I would do a compression test and if there is a low cylinder, take off the valve covers and check for a valve that is sticking part-open ...maybe cam/lifter is hammering on the valve stem. If there is compression on all cylinders, I would remover the oil pan and inspect the main and rod bearings. That should tell you what needs to be done next.
Re: 51 8n in reply to Bill Rowles, 11-12-2012 13:08:53
That's exactly where I would start too or even before that It wouldn't hurt to leave key off and just turn it over a few times to see if you hear anything without it running, maybe even using a piece of hose or tubing against the motor. just my opinion.
Stan 2N with 8N motor 8N345567 8N 146710 8N 179555 8N 197904 8N 199000 8N 254079 8N 362039
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