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Message: <blockquote data-quote="Shocker98GT" data-source="post: 385802" data-attributes="member: 9697"><p>I wouldn't call a KB that bad on the street, they're no worse than driving a stock 03 Cobra or similar. I wouldn't really call a Vortech better for going fast, maybe for going from a dig but a KB car will run a better MPH in the 1/4 mile-boost levels being the same and the times will be driver-dependant. Vortech only outmuscles them in the 5-6k region, when the boost levels get close enough where the efficiency of the centri allows it to make more peak power. It's really not a drastic difference between the two on top end, especially on these cars just because the stock intake (PI or NPI, or even the 4V intakes for that matter) have runners that are too long to really take advantage of a centrifugal's top end surge, where the KB doesn't have that restriction because it replaces the intake manifold. Once you get a centri on an intake with shorter runners, and especially cars with ported heads, it's no contest, they absolutely murder KB cars on the top end. But by that point you're making enough power to necessitate needing a built block, etc.</p></blockquote><p></p>