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4speedracer · 04-20-2020, 10:05 AM

Also check for coolant getting into the oil, from what I have seen not enough to show on the dipstick will show in top of the valve covers creates a sludge in the engine. GM had some porosity issues with some of there heads. Google for more info and how to identify head castings with issues. Something to look for.

04-20-2020, 10:05 AM	#4
4speedracer Junior Member Join Date: Sep 2011 Posts: 51 Likes: 0 Liked 10 Times in 6 Posts	Re: 6,0 oil pressure Also check for coolant getting into the oil, from what I have seen not enough to show on the dipstick will show in top of the valve covers creates a sludge in the engine. GM had some porosity issues with some of there heads. Google for more info and how to identify head castings with issues. Something to look for.