FIRST START AFTER DECKING BOTH HEADS 0.100 INCHES WHICH INCREASED THE COMPRESSION RATIO FROM 5:1 TO ABOUT 6.5:1 WHICH IS ABOUT A 30% INCREASE. THAT SHOULD ADD A FEW HORSEPOWER FOR ACCELERATION. RUNS AND STARTS WELL. NORMALLY THIS ENGINE, STOCK, PUTS OUT 24 HORSEPOWER. JHA 01-29-2012.
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