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Power Strokes
7.3 Tech
romping problem
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[QUOTE="Bobs 7.3, post: 1456797, member: 8460"] I used to use rotella 15-40 for years but had to go to the synethic 5-40 as it would romp like crazy when cold outside and not plugged in. The 5-40 worked well for that and gave me better fuel miledge but Im thinking it may be too free flowing or something for these stage 2 splits. I didn't mind the more costs and liked the idea of synethic as I run it in everything but when I considered going back to 15-40 in the summer months a lot said it would cause a ton of oil leaks as the synethic swells the seals and then they wear to that size then if going back to non synethic the seals will shrink back down and leak like a pig. It sounds nuts but I have no idea what the difference between the 2 are so just stuck with the full synethic. [/QUOTE]
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