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    1. #1
      Join Date
      Jun 2005
      Posts
      467
      I've had very good luck with simple Champion copper plugs on my Vortech-blown 383, the RC9YC. Running around 12# of boost.

      Jim

      Don't take a knife to a gunfight.

      Half-Assed = Half-Fast


    2. #2
      Join Date
      Jun 2005
      Location
      Little Rock, AR
      Posts
      55
      http://www.airflowresearch.com/index...a8c38bf1f86172

      AFR calls for an Autolite 3910 starting point. You will want to go a couple of heat ranges cooler since you are boosted and start there.


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