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Originally Posted by Brooks03svt
some of us could sacrifice our heads in advance. I'm going to be deployed in a few months and a new stage 3 head would be awesome for a welcome home gift. Are you gearing this toward both N/A and F/I or are the bigger valves not going to make much difference if the engines not getting a blow job?
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We would love to work with you if you're willing to give up your head for a month or so. The main goal when porting a head is to increase flow while maintaining velocity. What will gear the head for N/A or F/I will be mainly the camshafts. If larger valves help increase flow then they should be changed as well. No matter how good a head is there will always be a tradeoff between low lift flow and high lift flow. Our goal is to find a balance that will work well with most applications.
Tuning is really the main concern in my opinion. No matter what you have it will not perform its best if the tuning is not correct.







Here are some updated numbers: