Quote:
Originally Posted by 1BIGracefan
Duke people run the 410 because thats what USAC mandates in the rulebook. When or if USAC ever changes the 410 rule then away goes the 410. Thats just a guess on my part of course.
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OK WHY DO THE CHAMP CARS RUN A 355 CI. WHY NOT THE MAGIC 410?:checkered: