Why was a 3.0l motor designed to smoke at under 100K miles. The valve seals in the 3.0 L are defect in design. This is not an isolated case due to the fact that if you look at other Montero Sports idle at a light and then take off all you see is a big puff of smoke.

I see 30 year old cars that don't smoke. What was so complicated in building a motor that does not allow oil to leak past the valve seals????

And this vehicle was not cheap new.

I went back to the the tried and true Chevy.

 

mitsubishi v6 valve stem seals were junk from the factory the after market seals are the bomb