Pontiac GTO 400 Engine Block Build Up - Poncho Honcho

Building A 506HP Street 462 From A 400Given the current engine technology in the Pontiac hobby, building a big-cube Pure Pontiac engine from a 400 block is easier than ever thanks to the many stroker combo choices for 3.00-inch main engines. When Orwin Middleton of Santa Barbara, California, decided he wanted more power for the street to motivate his rare '61 Royal Pontiac Catalina, he pulled the transplanted '67 400 that sat in its engine bay and paid a visit to Joe Sherman Racing Engines in Santa Ana on the recommendation of storied racer and noted Santa Barbara engine builder, Bob Joehnck.

Photo Gallery: Pontiac GTO 400 Engine Block Build Up - High Performance Pontiac Magazine

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