Changing Valve Guides

Johnny R

Member
I'm doing a valve job on my 1954 TEA20 Ferguson Standard engine.
I need to replace the valve guides as well as all valves and springs.
How difficult is it to replace the guides. Can someone give me some advice on how to do it.
Thanks, John
 
They are soft cast iron, if you have a small round tool for an air chisel, they will shatter all the way out the hole, but the news ones have to be pressed in very carefully. For what it's worth- if he's reasonable, let a machine shop do it. For him, t wouldn't take a half hour.
 
If you have a Machine Shop Remove and Install NEW GUIDES......here are the specs.

You may have to REAM the Guides after installation:

I would NOT run Engine with VALVE STEM to VALVE GUIDE clearances less than specs:
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