ford v10s

fredinpa · Apr 17, 2013

ford recommends 5w-30 weight oil in engine, but is it heavy enough for severe use. thanks for thoughts

bobs old iron · Apr 17, 2013

because of the bearing clearences on todays engines, stay with the oem specs, unless it has over 150-200k and starting to sound a little noisey,, then 'maybe' step up to a 5w-40 or a 10w-40...can also check on the FTE.COM site for fords, and see what others owners have posted and said.

caseyc · Apr 18, 2013

Agreed with what Bob said. Actually 5w20 is the lastest spec but I would stick with the 5w30. Anything heavier won't flow enough through the tight tolerances.

Casey in SD

ford v10s

fredinpa

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bobs old iron

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caseyc

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