Quote:
Originally Posted by Davidf
This is an interference engine. Therefore, if the cylinder being worked on is at TDC then the valve cannot drop into the cylinder.
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The valve stem can drop far enough into the guide that fishing it back up will be a major hassle. You need pressure on the valve head to keep it closed in order to R+R the retainers. Been using oiled cotton clothesline stuffed into a plug bore and compressed by the piston for years.