Re: How to remove the old valve guides

Posted by the tractor vet on May 20, 2007 at 16:13:49 from (75.19.123.226):

In Reply to: Re: How to remove the old valve guides posted by Brad in WI on May 20, 2007 at 11:43:00:

The tool or tools that we had were made from tool steel with a tip that went into the guide and was just a wisker smaller then the hole in the guide and had a larger shaft for driving on or pushing on , where the flage meet the top or bottom of the guide it was machined back so it would not fold the metal around the hole to cause the hole to get tight on the valve stem also had the reams to clean them up . At one time my buddy and i had everything to do heads with , had the head surface grinder tooling to install guide in heads that had the guide cast into them tooling to install seat had it all . It was all in good shape but old and slow . Had a nother buddy that had and engine machine shop with the latest and greatest state of the art stuff he could do the job faster then we could for less . like boring and engine with his big stationary boring bar he could bore and finish hone and engine in the time it took me to do three holes and with him doing them i did not had to fight that 250lb. portable bar over each hole . Went back to just twisten wrenches as my time was better spent .

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