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Originally Posted by 09XCAPE  My $02 is to not use full synthetics but many do. While synthetics do act "thiner" in motors and have been know to reveal leaks in higher milage engines through seals I suspect your leak is due to reasons stated above.
IMHO I would use the "semi" synthetic factory fill 0-20. Walmart carries the Motorcraft in 5qt jugs for $14
The 09's (4 cyl anyways) has a filter "insert" element which for now I can only get at the dealer vs the "screw" on type standard filters. It includes a new "O" ring for the filter case and drain plug on the case. |
100% synthetic oil offers much better protection than the synthetic blend. it also offers much longer drain interval... the amsoil i am using is guaranteed for 25k miles or 1 year. it will also offer better fuel economy and much better cold weather/cold start protection.
the V6 uses a screw on filter (FL-500s). i could only find it at the dealer however...
i have determined that the drip i had on the filter must have been residual left over from lubing the gasket on the filter. i checked it again, and no drips whatsoever. so i am in good shape...
