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Bored&Stroked · 01-17-2020, 08:11 AM

Note: One thing I would explore a bit more if I was doing this today is to rework the rear water passages on the 59X block to allow more water flow (like a 49-53 block) and I might even reduce the passages and flow up towards the front of the block.

We want the cold inlet water (from the pumps) to flow to the back of the block and cool the rear cylinders (which always run hotter) - versus making it too easy to just flow straight up and go back out the front water outlets. This is similar to putting water "log" manifolds on vintage V8-60's . . . to get more even cooling throughout the whole set of cylinders - not just the fronts.

I'm going to have to look into this a bit more . . . but I believe we should be thinking this way!

01-17-2020, 08:11 AM	#17
Bored&Stroked Senior Member Join Date: Jan 2011 Location: Central Ohio Posts: 5,068	Re: exchange 8ba cyl heads with 59ab Note: One thing I would explore a bit more if I was doing this today is to rework the rear water passages on the 59X block to allow more water flow (like a 49-53 block) and I might even reduce the passages and flow up towards the front of the block. We want the cold inlet water (from the pumps) to flow to the back of the block and cool the rear cylinders (which always run hotter) - versus making it too easy to just flow straight up and go back out the front water outlets. This is similar to putting water "log" manifolds on vintage V8-60's . . . to get more even cooling throughout the whole set of cylinders - not just the fronts. I'm going to have to look into this a bit more . . . but I believe we should be thinking this way!