WHAT IS THE DIFFERENCE?????!!!!
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RE: WHAT IS THE DIFFERENCE?????!!!!
It's a toatlly different engine. The LS1 (which is really a 346) is also known as the Gen III small block, it is all aluminium, has the best flowing heads GM has ever put in a production car (until the LS6,LS2 and LS7 came along), and a ton of other improvments. The LT1 is still a good engine, it just is based on the old 350 SBC
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