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you guys know the break in oil is NOT synthetic right? you can't break in a motor with full syn it is too slippery and the rings will not beable to make a proper seal. I suggest 1000 miles for first oil change then do w/e you want after that. I do oil analysis so I take my DD cars up to 25k miles between oil changes. Filter changes at 15k. That probably scares some of you, but my 24v cummins diesel tow rig and daily just ticked off 328k miles with those oil change intervals.
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