You want bragging rights that a new set of big-port, big-block heads can provide. You want the performance boost those large runners and exhaust ports deliver as well. What you don't want is the added ...
Starting with an increase in displacement, the LS3 checks in at 6.2 liters (376 ci) versus the previous 6.0L LS2 combination. This comes courtesy of an increase in bore from 4.00 inches (in the LS2) ...
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