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Originally Posted by Stock1024
What happened to David Barton in stock?
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I got bounced because the one intake port they poured was anywhere from 210.3 to 210.8, depending on who was checking it. The max is 210. We knew they were close but didn't think it would be a problem.
The heads we are allowed to use are CNC'd from Chrysler/Arrow. The set we got had a good amount of core shift so I'm assuming that is why they were so close to the edge. The roof of the ports didn't clean up when they were CNC'd causing them to be larger. Chrysler is investigating the situation to see just how big some of the heads really are. They will most likely change the port volume specs to cover any other sets that may be just as big, or even larger.
Moving forward we are very excited to run this new 426 combination. it's showing us some promising numbers.