peabody george is right. thin oil will make its way thru tighter clearances......Thats why todays cars require 5 weight or even 0 weight. this is because higher visicoty oil will not lube the bearings in todays engines per manufacture specs. alot of forigen cars reqiure 0 weight oil. In all my cars and trucks I run castrol syntec 5-50 weight. It will lube the vital engine parts eeven when it is -20 and makes for easyer starting.. Plus thre oil will not break down in extream temps. inother words you get all the benifits of a "5 weight" oil when its cold and "50 weight" oil when the engine is under extream temps. best of both worlds. I would not run it in a car that has a oil leak as it is 6 bucks a quart.
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Today's Featured Article - Pitfalls of Tractor Engine Rebuilds - by Chris Pratt. The first pop after you have put the machine together with your own hands is exciting and pleasing. The whole experience can be marred if one moves too fast and makes too many assumptions that they can just use "as is" some parts they should be closely scrutinizing and possibly attended to. In such cases, rework makes what could have been a fun project turn into an irritant or even a nightmare. Minor Irritants To give you an example of an minor but irritating proble
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