Quote:
Originally Posted by tortuga
They do move in the guides, some more than others...Not crazy but you can definitely feel it by hand...Didn't want to get too crazy wobbling a valve being held up by air pressure...
Guess the heads are coming off at some point.
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Placing the piston at EXACTLY TDC allows you do open the valve off the seat to feel the guide.
I would have bronze guides fitted to tighten the clearance up.
The valves will seat more reliably, the engine make more consistent power, less likely to break a valve head off, and the valve seals should work better.