pressure test 21 stud

3

36tbird

Well-known member
Being lazy here and not digging out my pressure test equipment to see if it fits. So, are there enough common stud holes to get a good seal with a 24 stud pressure test block?
 
Hey Hombre
Could you put a head on and check that way? Making the assumption that the block is empty of all internals, of course.
Big K
 
Kahuna, so good to hear from you. I've been so worried about you!

*inside joke*****

How am I going to spray soapy water around the valve seats to make sure there are no cracks? But, you gave me an idea. I will see if I can get an old 21 stud head gasket to use as a pattern to get a pressure top cut out.
 
How about taking an old head and cut holes over each cylinder? Make a gasket with no water holes and you have your test plate.
 
Hit up a High School Industrial Arts teacher. Scout him out on the web. A LOT of those guys are on the take. His scrap plate or yours. The plus is you'll contribute to some student's vocational experience which is always a nice good deed.

Lonnie
 
I currently only have one 21 stud head for this prospective engine. I have a lead on another in the swapmeet section. So, 21 stud heads are a little more scarce than 24 types so I don't have any extras to be cutting up. I like your suggestion, Lonnie, and thanks to all for the others.
 
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