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Here's How The Chevy 454 V8 Compares To Pontiac's 455 V8Famously featured under the hood of the 1970 Chevy Chevelle SS 454, the 454 V8 is a ... which featured larger valve heads with smaller combustion chambers, and a larger camshaft.
Introduced in 1970, the Chevy ... heads feature oval ports and smaller 110cc combustion chambers, delivering a compression ratio of 9.6:1. BluePrint Engines provides its GM Big Block Compatible ...
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