You’ve got questions. We’ve got answers. We work with the Summit Racing tech department to tackle your automotive-related conundrums. This week, we’re talking about aluminum vs. steel roller rockers and rocker ratio in daily-driven, high-mileage fleet vehicles. Q: I have some questions concerning the use of aluminum roller rockers on a street engine with a stock-type
The second-generation Corvette has had a huge impact on the world of hot rodding. The 1963 Sting Ray brought independent rear suspension into the mix. The 1965 model year introduced big block power into the Corvette equation and helped bring four-wheel disc brakes to America. Then there’s the 1967 Corvette—the second generation Vette that was
Gasoline or E85 ethanol-blended fuel? David Freiburger and Steve Dulcich at Engine Masters wanted to find out which makes more power and by how much. So they grabbed a 489-cubic-inch, 13.5:1 compression big block Chevy, teamed up with our partners at Summit Racing for a couple of key parts, and started playing. To ensure a level playing
Pro Stocker Bo Butner wasted little time proving to racing fans that last year’s championship was no fluke when he captured his sixth career win Sunday at the season-opening Lucas Oil NHRA Winternationals at Auto Club Raceway at Pomona in Pomona, CA. Top Fuel’s Doug Kalitta and Funny Car’s Matt Hagan were also winners Sunday
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