I don't KNOW!!!!


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Posted by T.L. on January 20, 1999 at 20:12:43:

In Reply to: OK have to clear this up posted by N8 on January 20, 1999 at 19:55:06:

You know your stuff man...

: "3 angle " cut is all fine and dandy, I hope you really like paying your machinist (we love doing that sort of thing)
: when I asked what exactly you meant in the term "valve Job" I refered to 2 things. 1st, you can grind ( the valves and the seats , lapp and reasemble, or if you are just doing seat work you can keep you valves stored in the order they came out and lapp them when you re assemble (see my tech tip for ez lapping)
: as for the 3 angle term, most seats have 2 angles, only one of them seats on te valve, a 3 angle seat has 3 angles (just as the name implies) and 2 of the 3 are actually contacting the valve. it is kinda redundant unless you are running a really bad assed motor, even oil motors (with compression in excess of 24:1) run 2 angle seats. Mack valves have only a 30 degree and a 90 degree angle on them but that is still considered 2 angles. Ford 460 (for example) have 3 angle, 30 degrees (valve contact area) 45 degrees (I think that area is for flow) and 60 degrees into the port area
: IM rambling again arent I?




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