OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...
Brian Gruben won't lie. He wants to go fast, but he's on a budget like the rest of us. Unlimited funds are for the federal government. Follow along and we'll show you how Gruben added 40-plus ...
1) What is head porting and polishing and how does it work?Porting involves shaping and/or polishing the intake port openings, the inside of the ports, the exhaust ports, the bowl area below the valve ...
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