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Still waiting for an answer on my square-jetted using a power valve question! ANYONE EVER SEE OR HEAR OF THIS BEING DONE???  Thanks!  RandyB 
I would say that`s not common and after chasing my tail for years and wearing out jet threads, the chassis dyno is the way to go+ have you messed w/bleeds yet. Have you opened the carb up to see if anything`s funky inside? 
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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