Thread: 400/406 Builds
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Old 03-21-2014, 06:00 PM   #74
GMR-PERFORMANCE
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Join Date: Aug 2010
Location: Keller TX
Posts: 836
Re: 400/406 Builds

I would have to run it through a calc program again. But as you know it based on the intake closing point and it was not over the top. I feel that too many worry about it. Will you need to be a btter tuner yes but look at the new cars with high static numbers EPA cams .. Those numbers are silly high.

In the harleys we run 200 CCP and 9.5 dynamic in 900+ baggers no issues and that is air cooled. Hot builds are 220 CCP and close to or at 9.8 dynamic

My engine is 9.9 dynamic CCP is 219 .. runs on texas 93 e10 pump gas. running total of 28 timing and will be stepping into that when its NA . Waiting on the new 950 AED comp carb to show up and then its on to retuning again.
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