what oil to use after a rebuild - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 07-24-2013, 11:37 AM Thread Starter
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what oil to use after a rebuild

Im rebuilding my 7.3. should I use the same oil that I used before I rebuilt it or should I use a special break in oil. I used mystic 15/40 oil.

Late 1999 f350 4x4 drw crew cab auto trans, DI 4 position chip, AFE II air filter,ftvb, 4"down pipe into 2 5" stacks, ww, ccv mode, autometer gauges , 135,000 miles. Late 1999 f250 ext cab.4x4 auto FF stage 1 injectors non EBPV pedestal, GTP 38R turbo, hydra with powerstruck tunes, gauges. 213000 miles.
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post #2 of 2 Old 07-24-2013, 02:37 PM
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I was asking myself this same question the other day. I know Royal Purple makes a Break-In oil but I am not sure it is sufficient for the needs of our engine(s).

I would contact Royal Purple and ask them if it would work.

Good luck and let us know what you end up doing.

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