The breakthrough of the 11R 227—a tip of the hat to the cylinder head’s 11-degree valve angle and fully CNC’d 227cc intake ports—is less revolutionary than evolutionary. It takes lessons learned from ...
If you've been followingCar Craft's Mopar 470 testing, you'll remember that in the Feb. 2017 issue, we hit 700 hp while testing various rocker-arm ratios. In the May 2017 issue, we moved up to 720 hp ...
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