Posted by Walt Davies on November 07, 2007 at 09:48:52 from (75.106.196.221):
In Reply to: Lapping valves posted by 37 chief on November 06, 2007 at 14:39:00:
Really depends on the valve job if it was done right then just put it together if not then take it to another shop and it done right and then put it together. I had my heads done on my Saab Sonett years ago and had to to do them all over again, the shop never trimmed the grindstones between valve jobs and it was a mess. it doesn't hurt to use a very fine lapping compound and do a quick check to see if the valves are correctly ground. But be sure that you know how to lap them also. Turn them 1/4 turn back and forth a few times then check to see how the seat.Don't spin them all the way around it will give you a false reading. Walt
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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