0109Gmhtp Pumpingup13 Zoom
396 Short-Block Install - Pumping Up, Part 1
We wanted a zero-deck block for our 11.6:1 compression ratio and flat-top Lunati pistons. The Cola crank and Lunati rotating assembly are mocked up in the block with the bearings and a measurement is taken to find out how far the piston is below deck. (Most factory assemblies are .025 below the deck surface, or "in the hole.") In our case, the pistons were found to be .023-inch below deck. The deck was then shaved 23 thousandths to obtain a zero-deck surface. View Related Article
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