Quote:
Originally Posted by JSeery
No idea who the builder is, but couldn't disagree more. Why do you think they make the holes the size they do? Read flatheadmurre post, they are designed that way for a reason! If you look at the total area of all the water passages in the head you can see the volume of fluid they can handle. Making larger holes is just like short circuiting wiring. Yes, the original center holes were larger, but later designs in head gaskets attempted to correct the overheating issues of the rear cylinders. Take a look at the head, what good is a larger gasket to match the block going to do? Also, see the corrosion where the older style gasket was used? But reducing the size of these center holes even further, it is forcing more of the flow to the outside cylinders. You don't want the majority of the flow to go from the pumps straight through the center of the block and back to the radiator.
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Yep. I see it, but also look hole small the hole is in the head gasket on the bottom center. Something to think about.
I would also not assume that the gasket companies are looking to constantly improve their stuff. There could be many reasons why they changed it