Engine Block Preparation Block Decking
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High compression race motors need all the help they can get to avoid head gasket failures. Heat cycles can cause the deck of the block to warp, so the block should be decked even on rebuilds to make sure the deck surface remains flat and square to the crankshaft centerline. Here, Kevin Troutman sets up the block in the machine before cutting a few thousandths of an inch off of it to square everything back up. Even when you have a brand-new block this step will likely be necessary because you’ll want to cut the decks down as much as possible in order to maximize compression. View Related Article
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