Look at what I found
#4
It's not really sludge but definitely more than varnish. Be sure you use a HDEO like rotella 5w40 at 5k mile intervals. How did the valve covers look? You may want to drop your oil pan and clean it up and clean up the oil uptake screen. Oh yeah after the job use a cheap dino and change after a week.
#7
Because your PCV sucks the crank case gases out on the valve cover and into the engine to be burned.
If the PCV is located towards the front of the intake then all the oil will collect on the front half.
It turns black like that on the intake because when the engine is hot and the oil vapor hits the hot metal it forms that varnish/sludge.
This is bad...http://www.carbibles.com/sludge_casestudy.html
If the PCV is located towards the front of the intake then all the oil will collect on the front half.
It turns black like that on the intake because when the engine is hot and the oil vapor hits the hot metal it forms that varnish/sludge.
This is bad...http://www.carbibles.com/sludge_casestudy.html
#8
#10
Not every 6,000, not every 5,500, every 5,000.
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