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when using the dyno software do you guys when checking head flow#s do you use 28 hg or what the computer has it set at 25hg! With the 25 hg horsepower is higher than at 28hg! tell me the one to use so
I will know if my horsepower #s are right! :twisted: :evil:
 
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I have a old one DTD 2000 i just put in the number for flow. sorry i can help
 

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Depends on what your heads where flowed at, typicaly most shops flow at 28", not 25"
 
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