Re: Time to put things into the proper perspective

Posted by Jon Hagen on August 30, 2005 at 22:07:10 from (69.26.17.70):

In Reply to: Re: Time to put things into the proper perspective posted by John T on August 30, 2005 at 16:07:15:

John T, Don't be afraid to use good synthetic oil in even very loose,high mile/hour engines. It may get you a few more years out of an engine that is otherwise on it's last legs.
My experience was with a little Nash 6 that had a bad main bearing rumble in an otherwise good running engine. Every parts guy would roll his eyes and mumble about the engine with the rubber crankshaft when I told them what model engine I had. The engine was obsolete with almost no parts avalible. I finally located a set of standard size main bearings,and thought them worth installing even though the crank badly needed regrinding and undersize bearings. I had little choice,as I could not find an undersize set of main bearings anywhere.I installed the new standard bearings and for the first few hundred miles with 10-40 mineral oil,all seemed well,then the bearing rumble started to come back. The worn crank was eating the new bearings. On the chance that it might help,I put Mobil 1 15-50 synthetic oil in this engine. The bearing noise actually quieted down a lot and never increased in the 30,000 miles I put on it over the next 10 years. I thought I would not be able to start this car in winter with the thick 15-50 synthetic oil,but found it started easier than it did with 10-40 mineral oil. In this case it stopped bearing wear inspite of the bad crankshaft. That is the beauty of true synthetic oil,they work so well in extreme conditions.

Follow Ups:

• Re: Time to put things into the proper perspective txgrn 05:33:18 08/31/05 (0)

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