Quote:
Originally Posted by johnjzjz
not cut outs its a balance pipe developed buy ford in the early 60s on the awesome 427 cars -- the one headers negative pulse works off the other to create a suction ( like a siphon ) large pipe high speed air passing smaller pipe -- on the other header it works real well -- dynos testing has shown it to work but not on all motor combos -- jz
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I know, see the

guy? I was busting hump because the pipe is missing.
Them GV units are big $$, like $2300 or somethings, right?