what can i do with 300 6 ford burning oil?

Asked by May 31, 2015 at 11:33 AM about the Ford F-150

Question type: Maintenance & Repair

Bought 250 ford week ago did not burn oil when I started, now have smoke most the time  
engine starts and runs good.  Was kept clean.  How can I fix?

2 Answers

223,975

Do a compression and leak down test on the engine cylinders. You might need valve seals or piston rings. Let us know what you come pup with. Might be engine rebuild time.

3,405

Hello, Good Advice from Tom, but I would ask How much oil...? Have you driven/run enough to verify oil use/loss? Don't forget that a vacuum line down to the modulator if its one of the automatics with a modulator can suck tranny oil through the vacuum line, and smoke like a banchee.... Make sure you know which one is getting gone. Pulling the valve cover to see how much sludge is in motor will tell you immediately so much...If its bad, valve stem seals are gone for sure. Rings are more rare in this engine for problems; moreover, this was one of the real old iron workhorses of the day. Hope this Helps, AskTrannyMan

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