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i had my head ported and polished. every thing is brand new in the head.i put it on during the week and its not running righ i went from a 15.9 in the 1/4 to a 17.9 i just ran it tonight and i have no clue whats wrong now i never dynoed it but i didnt think that dyno would make that much of a difference.. was wondering if anyone know what might be wrong.. thanks :
How does it run to you tho? Misfire? Bucking?

Also, there's a good suggestion list above me. Look into it.
 
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