LS3-Based 418ci Engine Build - Big Power, Small Budget
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A total of 16.2 grams and 43.8 grams are removed from the front and rear counterweights, respectively. To relieve the weight, pilot holes are drilled; then a 5/8-inch drill bit removes metal a total of 0.400 inch deep in front and 1.0 inch in the rear. View Related Article
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