Grassroots Motorsports
Issue link: http://grassrootsmotorsports.epubxp.com/i/397024
Part 2: Does Lightning Strike Twice? story and photos by tom suddard LIGHTNING R emember that rental car we strapped down to the dyno, then force-fed a fuel additive until it made 5 more horsepower and 5 ft.-lbs. of torque? Call it Grassroots Motorsports foie gras. EFS Combust, now called Power Boost by EFS Combust, comes in a neon- green bottle that claims to add horsepower and torque to any vehicle. Frankly, we didn't expect Power Boost to work. We expected it to crash and burn on its promises. We expected our rented Ford Focus to be just as slow at the end of the test as it was at the beginning. But it wasn't. One test, though, is not a verdict. It's just evidence to justify more testing. So we ordered another few bottles of Power Boost and returned to the Superchips Dynojet chassis dynamometer with a slightly more powerful Ford. Time to Focus This time the test subject was our 2003 Ford SVT Focus. Why'd we choose it? Simple: It's got a high-strung, naturally aspirated engine, at least as far as stock pow- TECH: EFS COMBUST FUEL ADDITIVE IN A BOTTLE Grassroots Motorsports 89