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04-04-2011, 08:40 AM #1
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Black- 383 Procharged & N20 Vert
Performance Valve Job - Valve Job Victory
Performance Valve Job - Valve Job Victory
Is the cash flow spent worth the airflow achieved in an affordable performance valve job? We open up a set of Pontiac D-port heads to find outOne of the most common modifications performed during a high-performance engine rebuild is a three-angle valve job. Most hobbyists know that the task consists of cutting multiple angles into the cylinder heads' valve seats and that it's intended to improve performance. But how is the task performed and just how much of an airflow affect does a performance valve job have on a typical cylinder head? Follow along as we explore exactly that!
Photo Gallery: Performance Valve Job - Opening Up Pontiac D-Port Heads For More Airflow - High Performance Pontiac Magazine
Photo Gallery: Performance Valve Job - Opening Up Pontiac D-Port Heads For More Airflow - High Performance Pontiac Magazine
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