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Boss 9 heads

14K views 15 replies 8 participants last post by  BOSS 429 
#1 ·
Just picked up a set. Have been running p51s in my car. It has been running 9.0s @149 3450 with me in it. We have to see how the boss 9 heads do.
 

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#3 ·
you will be happy when you get the hemi running right ,you wont go back to the p51s
 
#8 ·
[QUOTESounds like this will be an interesting comparison. < not even
 
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