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[DSharp]

what up?  Doing a valve job.  I have already decided that I want the sealing angle to be 45 for durability.  I'm thinking 70°, 60°, 45°, 30° on intake seat with a 30° backcut on the valve. For the exhaust I was thinking of the same geometry with a 15° top cut on the seat.  Whatchyagot?

[turbohf]

i drop the head on the counter, and say: ill take a 3 angle, a surface and clean. call me when its done. thanks.


but most the time i just lap'em and call it win.   

[Random Hero]

50* on turbo builds. lasts way longer.