I vote LS the prices are getting very affordable, I just purchased a complete LS-7 w/ all the accy. and oil lines for the dry sump and 7400 miles on it for $6500. off of one of the corvette forums I think it would be hard to match the power level of an LS-7 w a sbc for that much money. The weight of the LS motors is another advantage for handling and straight line performance, you don't need to make as much power if you're lighter to achieve the same performance level. I will have to disagree with Rodger about being able to match the torque of a BBC I have an iron ls motor w/ a Harrop blower that is making 750 lb/ft of torque peak and it makes 650 lb/ft @2300 rpm, most forced induction set-ups are going to make boat loads of torque.
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