Do heads with 107" upgrade?
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Join Date: Aug 2011
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Look up dan vance racing. He does great headwork. And much less than 1000 dollars.
I am getting my heads done. With a 106 there is a larger volume of air and the motor will benefit.
Stock heads already flow really well. There is good velocity right up to the 103 however bigger than 103 it begins to choke it at higher rpm.
Think about either a 58mm throttle body or get your stocker ported. Once the heads are able to flow more air the next restriction in the line is the tb.
stock Injectors are also right on their max duty rating once you get to the 106/107 range.
And a dyno tune
I am getting my heads done. With a 106 there is a larger volume of air and the motor will benefit.
Stock heads already flow really well. There is good velocity right up to the 103 however bigger than 103 it begins to choke it at higher rpm.
Think about either a 58mm throttle body or get your stocker ported. Once the heads are able to flow more air the next restriction in the line is the tb.
stock Injectors are also right on their max duty rating once you get to the 106/107 range.
And a dyno tune
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Dan Vance Racing! This guy KNOWS heads!! He did a set on a 95" build I had. Was making 78 h.p. and his heads put it a little over 100/107. He did the 110 heads on my 117" and look at the numbers it is making! It is most def worth doing the heads if you want to make power! Danvanceracing.com.
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I would say that it depends how you ride.I had a set of HQ heads on my 103" 09 EGS, pulled them off when I sold it and replaced the stock heads. Below 4k there wasnt much difference,extra power was only noticeable when winding it up over 4 grand. Unless you are winding it out regularly, I dont think its worth it, those extra horses only show their heads at higher rpm, your choice though.
dewky
dewky