Re: Testing blocks in the home shop
On the plate itself, you need to be able to easily inspect the ports, chambers and bores for leaks (and spray a soap-based solution and look for bubbles). What this means is that you need access to the ports and bores while pressure testing.
So, take an old head and if you have access to a really good drill press of better yet milling machine, then you can use a good ole' hole saw at slow speeds to bore through a stock head - in the bore areas and valve areas (two cutters) to make a pressure plate. Is it a lot of work . . . sure . . . but unless you want to have a machine shop make you one, there isn't much other choice. Just a thought . . .
B&S
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