Archie J. Lopez wrote: > > have you folks heard about the condition which causes burning of the > valves due to loose valve guides, caused by "poor octane" ratings in the > fuel being made today? I cannot beleive that a Machine shop cant STOP all > guides from getting loose with design, or rollpins or taper pins. You can > make a 21 inch gun breech gas proof in any condition whats so hard about > an 85 mm bore under much less compression? Can you clear up my > understanding of the problem? > > Archie at dukbush@aa.net
Hello Archie. How many miles you got on the heads? EVERY VW with 50K can use a valve job, with new guides. I'm sure your VW sees a lot more use than your 21" gun. If you fire your gun as much as your VW, how long would it last and stay tight? Douglas
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