Philbiker Posted October 15, 2004 Share Posted October 15, 2004 I found four quarts of oil in my garage. They're about 8 years old. Pep Boys Synthetic 10W-40. Think it's still good to use? Quote Link to comment Share on other sites More sharing options...
99obw Posted October 15, 2004 Share Posted October 15, 2004 Oil has improved a great deal in the last eight years. That and the fact that it is fairly old would keep me from putting it in anything I cared about. Maybe a junker car or junker lawnmower. Quote Link to comment Share on other sites More sharing options...
howards11 Posted October 15, 2004 Share Posted October 15, 2004 Oil has undergone changes in 8 yrs. I would just get rid of it. How much are you saving by using it ? $6.00 or so <$1.50/qt.> ? ~Howard Quote Link to comment Share on other sites More sharing options...
MorganM Posted October 15, 2004 Share Posted October 15, 2004 Throw it in your 4 stroke lawn mower or in the garbage I wouldnt even trust Pep Boys oil brand new off the shelf Quote Link to comment Share on other sites More sharing options...
Philbiker Posted October 15, 2004 Author Share Posted October 15, 2004 If anyone has any simple answer without editorial comments to the original question, I'm listening. Here's a good link: http://lubricants.s5.com/shelf.htm thouth I've found others that say that full synthetics have a much longer shelf life than "conventional" oils. This is pre-SJ oil, so I could put it in my 9 year old motorcycle (I used to buy it by the 4-pack case, I think it must have been on sale). I'm sure it will work in there. The anti-shear additaves in the SJ+ oils make them unfit for motorcycles that share engine oil between the engine and transmission/clutch. Moto-specific oils are expensive, and I just hate being wasteful. I don't know if it's true now, but when I bought this, Pep Boys synthetic was manufactured by and exactly the same formulation as Valvoline synthetic for a much lower price. My lawn mower is a reel style push mower. Quote Link to comment Share on other sites More sharing options...
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