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Old 07-06-2019, 11:31 AM   #61
Gene1949
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Join Date: Jun 2016
Location: Pahrump, NV
Posts: 96
Default Re: 59AB Cooling System Advice Needed from the Experts (not an overheating issue)

Throwing out ideas;
I'm seeing head and head bolt sealing issues. Oil migrating up from the bolt holes and causing the sooting contamination. Pumping that much oil into the combustion chambers after just 500 miles is going to cause some major issues down the road.

It's quite evident you are pulling a vacuum on those head bolts during the intake stroke.
Ass-u-me[ing] you are pulling a vacuum on the head bolts [intake stroke] it's logical you are over pressuring the cooling system on the power stroke. You presented 2 pictures that show the leakage of the head bolt holes.
I have to agree with previous posters, using a "stock" configured gasket moving the fire/sealing ring toward the bore.
I really don't think you have any major problems, just sealing issues.
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