Mixing 5W-30 & 5W-20 in Ford Ranger 4.0?

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Originally Posted By: tc1446

Thanks folks for all the information. It never occurred to me to
return it to Walmart but I did get it there and will take it back and exchange it for correct weight for the Ford. The truck doesn't use any oil so it would never get used up that way and since it
isn't driven much, I'd never use it up a quart at a time.

With the DI on the Accord, I'd rather stick to a 0-20 and just bought 2 jugs PP during the $10 rebate, plus i have one jug of M1 0-20 on hand.


There ya go, return it to Walmart! Ford decided not to back spec that engine to a 20 grade, and for a good reason I'm sure. So why fool with it?
 
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