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Oil question
Hmm ok my car has a problem consuming oil it's ran 10w30 for most of it's life since i had it at 89k not sure when the previous owners ran on it but i heard somewhere to use 10w40 instead of 30 to ease consumption. What i wanna know is it safe to run 10w40 in the 4.6? I know this guy i work with runs it in his 98 f-150 and he said he hasnt had problems with it. Dont wanna take the chance of messing up my motor.
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