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Old 12-10-2019, 02:38 PM   #9
Carl Spangler
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Join Date: Oct 2013
Location: Central Coast Ca.
Posts: 417
Re: Are valve guide umbrellas really needed?

Quote:
Originally Posted by geezer#99 View Post
That’s a hair puller job!
What did you use to hold up the valves?
I pressurized the cylinder to ~30PSIG with a spark plug adapter air fitting. That was enough to hold the valve 'closed'. I still had to be careful not bumping the valve from the seat and having it drop into the abyss of the cylinder.
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