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Egged out- shape of gasket out of round; looks kind of like an egg-distorted.

Yep oil filter if coolant got in there. Glad the block is okay.


Yep, that's exactly what I saw on the back side of cylinder #4. The holes in the gasket for the water jackets weren't exactly lining up with the water jackets in the block.


>>>*Remember that many of the holes in the top of a block are there to ease removal of material in there from the casting process, similar to the lower block plugs, same reason is why they are there.

The gasket is designed and intended to restrict in some areas, this forces flow to more evenly distribute.

If it does not, then a difference in temperature (or thermals if you will) can happen, that difference in temperature then can cause expansion variations more in one area than another, causing a failure....*EB

*Beats the he** outa me!....*LOL**...