Quote:
Originally Posted by ownerop2012
DynoValve- I own one and love it!
Dynovalve =Computerized PCV valve. Traditional PCV valve is thing of the past.
With a computerized PCV valve you are able to to recirculate wasted gases. Over time sludge is developed by "unused fuel". This unused fuel ends up as sludge in the crankcase. With the Dynovalve this "unspent fuel" gets burned.
With the age of vehicle playing a part, more wear on pistons and rings allows for more "blow by" gases to be burnt in the Catalytic Converter. (another thing of the past).
Many things benefit from a Dynovalve- longer engine life, less oil changes, MUCH lower foot print and fuel savings to name a few.
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And, my '88 Ford Escort has 518,700 miles on it, never been rebuilt and the oil pan was removed last year for the first time to clean the oil pump pick up screen and it passed emissions testing in Cabarrus county NC when I lived there until 2010 with flying colors until they stopped testing cars older than '96's. At the time they stopped emissions testing on the older cars the Escort had in access of 400K miles. It also still gets as good of gas mileage as it did when it was new 40+ MPG on 95%+ of the tanks I run. The catalytic converter is still in good condition. It's likely most of the sludge that was in my engine was from driving the car on dusty construction sites for the first 12 years and 350-400K miles of it's life. If I can go over 1/2 million miles without having enough sludge to warrant cleaning the oil pump screen under the conditions this car was used I don't think the blow by gasses are having much effect and this car has lots of blow by. The way I prevent the liquid blow by from entering back into the engine was put a PCV catch can on it. All the PCV gasses pass though the catch can allowing the gasses to be re-burnt and the liquid stays in the catch can. It has enough blow by that it fills a 12-16 oz jar every few hundred miles yet when I change the oil it isn't fuel saturated. If there was a significant amount of fuel saturation it would increase the amount of oil in the crankcase. I think my engine is going to outlast the body and I've already had to replace the front seats once because they were so worn and losing their padding. I don't, but many people on
www.bobistheoilguy.com do used oil analysis and some of them run their synthetic oil 10K miles or more and the oil analysis doesn't show excessive fuel in their oil or excessive wear metals. Are we having fun yet?