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George Miller · 04-08-2012, 08:37 AM

Let me say as a old machinist there is no reason for getting boss height wrong. It would be just as easy to get it right. Sounds like some one got the wrong dimension for the head.

Did we not have this same issue on this head a couple of years ago.

I worked in the hydraulac cylinder manufacturing for many years, we made cylinders up to 24" bore. The standard for studs, also tie rods is the stud should be screwed in the block 1-1/2 times the dia or a little over 5/8 of a inch. .655. It should also be a close fit. You do not use a standard tap to clean the threads like most model a blocks have had done at some time.

04-08-2012, 08:37 AM	#47
George Miller Senior Member Join Date: May 2010 Location: NC Posts: 2,975	Re: Snyder's Head Problem Let me say as a old machinist there is no reason for getting boss height wrong. It would be just as easy to get it right. Sounds like some one got the wrong dimension for the head. Did we not have this same issue on this head a couple of years ago. I worked in the hydraulac cylinder manufacturing for many years, we made cylinders up to 24" bore. The standard for studs, also tie rods is the stud should be screwed in the block 1-1/2 times the dia or a little over 5/8 of a inch. .655. It should also be a close fit. You do not use a standard tap to clean the threads like most model a blocks have had done at some time.