More info on GM's new high-output truck V8
Since they were designed to be shared with the smaller-bore LS2, they don’t make use of the absolute largest valves possible, but supposedly, modified versions of the heads can flow up to 350 CFM. It’s yet another example of technology trickling down at an incredibly fast rate – a few years ago, these heads would be at home on a circle-track car, and now they’re available under the head of a SUV. And if rumors are correct, they’ll make themselves at home under the hood of a pony car in a couple more years, making for a competitive effort in the horsepower war that will soon engulf that class.
[Source – GM High-Tech Performance, Feb. ’06 issue]
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