Re: 3 angle valve grinding??

Posted by Jon H on November 12, 2004 at 16:40:06 from (69.26.16.168):

In Reply to: Re: 3 angle valve grinding?? posted by Allan in NE on November 12, 2004 at 14:56:39:

As the others have stated,the seat needs to be wide enough to transfer enough heat to cool the valve,yet not so wide that the least bit of carbon will hold the valve off the seat and cause leakage and valve burning. We must run these old tractors on lead free gas,so if the tractor has hard seats/valves,keep the seats narrow. If the tractor has soft valves/seats,fudge to the wide side to get more wearing surface on the seat/valve face.

Follow Ups:

• Re: 3 angle valve grinding?? Allan in NE 17:00:50 11/12/04 (1)
  • Re: 3 angle valve grinding?? Jon H 19:23:07 11/12/04 (0)

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