Re: Info on what Oils to use
stay away from royal purple it started to burn in the car way before it's time was up. 5W-30 is not good all year for most of us that live in the upper united states. the first number of oil is the winter thickness the second number is operating temp thickness i am now running castrol syn with no problems
one way to see how your oil is doing is to have a oil gage and see how much presure it is building at cold and operating temps in the summer i run a 15-50 and in the winter either 5-40 or 5-50 in my V-6
the myth of syn makng seals leak is false normally what is happening is that the syn oil has taken the sludge off of the leaking seal and now the oil is seeping through
new engine breakin - use conventional but no one has proved that syn is bad ... yet
switching back and forth has not shown problems but i imagine that it could cause some oil mixture problems down the line.
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2001 F150 Super Crew - The deer slayer
2006 Ford Freestyle - Wifes daily driver
2003 Tiburon GT - SCCA STX and still daily driven
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