Heads, what's the diff. stage 1,2 or 3?
#1
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Heads, what's the diff. stage 1,2 or 3?
What is the difference between stages of Ported Heads?
I know stage 3 are for race applications? But what about stage 1&2, what is really the difference?
Thanks,
Dave
I know stage 3 are for race applications? But what about stage 1&2, what is really the difference?
Thanks,
Dave
#3
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Marketing; some folks stage I equals others stage II. You are better off having a discussion with a particular head porter and decide what you want to do. After you get the heads you want, call them what you want. I guess in general stage I is mild bowl work and stock valves, S2 is more porting typically and bigger valves.