In August 2011, HRR Tech Editor Mike Mavrigian began work on a bored and stroked Pontiac 455 engine. The engine, which is being built at Birchwood Automotive Group, Mavrigian’s Creston, Ohio-based shop, will be built to be used in a street/strip muscle car or street rod.
Mavrigian recently updated readers of his Precision Engine website on the progress of the engine build.
“At this point, everything has been clearanced and test fitted, and the crank was just recently balanced,” he wrote last week. “Now it’s time to paint the block and assemble the long block, leaving only the task of measuring for custom pushrod length prior to completion.
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Tags: Birchwood Automotive Group, Engine Builders, Engine Builds, Engines, Mike Mavrigian, Precision Engine











