My 95 I6 spits about 2 quarts out the breather per 3000 miles. Runs great with plenty of power, but that oil dripping from the air box is annoying. I'm thinking the rings are gummed up. If that is the case, outside of tearing it down what is a good way to deep clean the rings? Seafoam piston soak?

 

rebuild is the only way to fix blowby. I have found some blowby catch kits on ebay, this will rout your blow by oil in to a tank instead of your air box.

Also if you have oil in your air box you might have a valve problem.

 

My bad if its coming from your breather to your air box it would not be a valve problem.

 

I was hoping someone had tried a piston soak with decent results. Maybe just a seafoam engine flush might help!

 

A flush will probably make things worse for you. The blow by is caused by bad rings and nothing but new rings will fix that. When you flush the crank case any oil leakes you might have will be way more apparent.

 

You don't want any oil in the air box let alone 2 quarts. Divert that oil somehow, clean the air box, replace the air filter and then plan on a rebuild. Maybe you can run a seafoam regiment and change the oil a couple of times and get many more miles out of it. Who knows, but rebuild is in your future.

 

Its just posible that no its highley probable that your P.C.V.is pluged as well as the hose that it is conected to. P.C.V.is dirt cheap.about $2 its worth a try. And it cant make it any worse. Bubbabud

 

Are you sure your engine is clean under the valve cover? Are the holes where the oil drains back into the engine clean or are they stopped up?

 

I haven't had the valve cover off, not sure what it looks like under there! Truck has 170k on it and was a Idaho water district truck, up and down the dirt road. Maintenance was probably fixing it when it quit running!

One other clue or stumper is the oil pressure. Sometimes it runs low, at the n , most of the time it runs midway at the r. New sender so ruled that out.