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Driving out the 454's freeze plugs revealed a good bit of rust scale in the cylinders--not uncommon in an engine that's been sitting for years. We did our best to scrape the scale from the water jackets before the block and heads hit the cleaning tank.
Building An Affordable Big Block Chevy Engine - Budget Rat

Driving out the 454's freeze plugs revealed a good bit of rust scale in the cylinders--not uncommon in an engine that's been sitting for years. We did our best to scrape the scale from the water jackets before the block and heads hit the cleaning tank.  View Related Article

 

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