You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining how changing rocker arm ratio can help performance. T.Y. Thornton, IL Q: I am in the market for roller rockers. I own a 1966 SS Chevelle with a 396. The engine is bored .030 over, has 10.25:1
If you haven’t heard by now, there’s a battle being waged on who should be able to modify or repair your vehicle. On one side, automakers are supporting provisions in a copyright law that could prohibit home mechanics and even mom-and-pop repair shops from modifying vehicles. On the other side, performance enthusiasts and hot rodders are looking to preserve
Ron Capps raced to his second Funny Car victory of the season Sunday at the SpringNationals. Doug Kalitta in Top Fuel and Erica Enders-Stevens in Pro Stock also were winners at the NHRA Mello Yello Drag Racing Series event at Royal Purple Raceway near Houston. Capps powered past teammate Jack Beckman in the final round
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