:::RHMT::: Real Home Made Turbo

General Category => Forced Induction => Topic started by: DSharp on November 01, 2016, 06:17:17 PM

Title: Valve seat angles.
Post by: DSharp on November 01, 2016, 06:17:17 PM

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?

Title: Re: Valve seat angles.
Post by: turbohf on November 01, 2016, 09:18:33 PM

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.   :Jew:

Title: Re: Valve seat angles.
Post by: Random Hero on November 09, 2016, 04:23:34 PM

50* on turbo builds. lasts way longer.