[portfolio_slideshow id=64021] In simpler times, carburetors relied on mechanical fuel pumps, and EFI engines required high-pressure electric pumps. Things aren’t so simple anymore because times have definitely changed. Even the most beastly of electric pumps can struggle to keep pace with today’s crop of 3,000-plus horsepower Outlaw and Pro Mod-style forced induction EFI engines. At
Running 6.80s at nearly 210 miles-per-hour, today’s 275mm drag radial door-slammers incinerate the quarter-mile thanks to obscene levels of airflow and grip. Producing close to six horsepower per cubic-inch requires immense cylinder pressure that can split blocks, blow head gaskets and melt pistons in a jiffy. Fortunately, the aftermarket has methodically eliminated each of
Anyone can slap a supercharger on a stock 505-horse LS7 and pick up an extra 200 horsepower. And thanks to the incredible untapped potential of GM’s factory LS7 cylinder heads, gaining huge chunks of horsepower through natural aspiration is fairly easy, too. All it takes is some head work, long-tube headers, and a big hydraulic roller cam. However,
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