what is valve lash?
04-29-2004, 09:11 PM
#2
1.5 BAR
Join Date: Dec 2002
Posts: 1,065
Re:what is valve lash?
valve lash is the clearance between the cam lobe and closed valve stem. It should just barely be touching it.
What do you mean by "Build a head"? Do you mean rebuild like replacing valves, stems, cam/cams, etc? or P&P, 3/5 angle valve job type build?
What do you mean by "Build a head"? Do you mean rebuild like replacing valves, stems, cam/cams, etc? or P&P, 3/5 angle valve job type build?
04-30-2004, 12:24 AM
#3
3.0 BAR
Join Date: Jan 2003
Posts: 7,082
Re:what is valve lash?
valve lash is just as that other guy discribed. it's measures where the cam and rocker, or whatever you call it, meet. I know that on my B16 the clearance is .006"-.007" on the intake side and .007"-.008" on the exhaust side. I just try to set it to the lower number and if it's getting close I try the bigger number and if it's less then it's good enough for me. This is measured using a feeler gauge, you can get them for about $5 at any car parts store.
If you don't have the right tools you can't put a head together or take it apart. you might be able to rent a valve spring compressor and just have a machine shop or a mechanic do the valve guides and seat grinding for you since it requires a special alignment tool and special cutters for the seats. then you could put in the valves and retainers and springs your self.
If you don't have the right tools you can't put a head together or take it apart. you might be able to rent a valve spring compressor and just have a machine shop or a mechanic do the valve guides and seat grinding for you since it requires a special alignment tool and special cutters for the seats. then you could put in the valves and retainers and springs your self.
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