Posted by HVFDfirefighter on September 24, 2017 at 17:32:58 from (67.45.32.197):
Purchased a new manifold. The old one was shot. Replaced head gasket. Fixed a stuck valve by remove and cleaning. Did all eight valves while I was I there. Put it all back together couldn't get it to run. Unnoticed two littles holes in manifold above the left carb but. Did not notice these on old one. Had a little gas leaking out of the front hole. Tried turning it over, but it sounded like it was sucking air somewhere. Upon further inspection I found two bolt holes on the inner two exhasut valves ( I noticed because of the sooty black stuff sprayed all over side of engine). Didn't have the correct three bolts. 3/8 corse and it must be 3/8 fine. Stuck them in the two holes just enough to plug the holes and she started right up. Why would these holes be in there? I need to go get the proper two bolts. Let it run for about 30 minutes, took valve cover off, rocket arm off and tighten all head bolts while to 90 foot pounds. Put all back together. Started right up. Had tiny leak in bottom radiator hose. Tighten the band and seems to be good. Just curious as to what the holes are for in the manifold?
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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