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1100+rwhp member
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1,728 Posts
Discussion Starter · #1 ·
What kind of advantages would you get going 1mm over on the intake and the exhaust side with 272's/ as far is HP and spool up??? If building the head I just wonder if spending the extra money is really worth it.
 

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My boss set me on fire!?!
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561 Posts
There is not unless there is at the very least a good bit of bowl and short side work. In fact the head may even flow worse. A good stainless valve that has a good margin and tulip in stock size is what I would do if I was not going to spend the money needed in port work.
 

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1100+rwhp member
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1,728 Posts
Discussion Starter · #3 ·
What if given the circumstances with the head having good port work done.
 

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Premium Member
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4,002 Posts
do a search under the name poggie and he is the most informative i think in my opinion in that area. He has several posts that explain this in detail.
 

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806 Posts
I was wondering the same thing I was considering getting the ferrea valves but didn't know if I should just wait and get head work done.
 
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