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i have a 1986 f250 7.5 460 big block i use motor craft oil 10w 30 seem to get thined out when hot should i switch to a richer oil or seems to maybe something else is wrong
I'm using Delo 10-30w, for the additives for the falt tappets. But if your engine is getting to hot and thinning the oil, you my need to look at the cooling system.
i have a 1986 f250 7.5 460 big block i use motor craft oil 10w 30 seem to get thined out when hot should i switch to a richer oil or seems to maybe something else is wrong
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