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Power Strokes
7.3 Aftermarket
gen3 and 250/100's
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[QUOTE="Whytry, post: 40458, member: 565"] I plan to, what do the temps get to in your area most everyone I talk to tells me that I suddent use the 5w40 the only oil I should use is 15w40 but personal I think it is fine. temps here range from highs in of like 100 to 0. Just wanted to see what your input was on the matter. [/QUOTE]
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