LA 318 advice

66fs said

67 318 piston pin height = 1.75
68-69 318 piston pin height = 1.77
70-84 318 piston pin height = 1.74
85-91 318 piston pin height = 1.76

Deck height 9.58

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From the tallest to the shortest we have a total of .030. When the piston is that far down the hole .030 isn't much. Then you have variations in the blocks deck height, stroke and rod length differences...which is why engines get blueprinted.