Okay did anyone at any time perform a viscosity test on the oil?
Fords are some of the pickiest vehicles on the market for needing the right oil.
Put the wrong stuff in either wrong weight or vicosity and you will eventually end up with problems.
Our engines are grand kids to the GT 40 and IRL.
On the heads the cams have hydralic timing dampeners. These allow the motor to have more torque on the low end. Putting a heavier oil in like 10w is enough to not allow the proper oil flow and so potential plugging of the tiny oil ports might happen or insufficient oil equals premature rapid acceleration of wear.
Maybe a newbee at walley world messed up to begin with. Put the wrong barrel on the wrong feed hose or maybe the wrong oil period.
Another thing to think of when getting oil for changing is to make sure it meets fords specs.
Another thought maybe bad cams or chains or sensors.
But I feel the viscosity test was important if that was the problem. Walley world would have had to foot the bill.
Lars
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