valve grind angles?
03-08-2013, 04:18 PM
#1
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valve grind angles? needing to freshen up a set of heads, 2" intake 1.6" exhaust I believe(stock)
What are the grind angles for the valves and seats?
I cant find solid post about what it is supposed to be.
What are the grind angles for the valves and seats?
I cant find solid post about what it is supposed to be.
03-08-2013, 05:10 PM
#2
They can be whatever you want them to be, this is where you can make a lot of power. Typically, a 30 degree top, 45 seat, and 60 bottom cuts are used based on the principle that air does not like to make more than a 15 degree turn. Some shops will even add a 75 degree bowl cut below the bottom cut and call it "high performance". I've found that steeper top and bottom cuts work out well.
