Yeah. I personally have a 370" LQ9 with AI ported cathedral heads, cam motion 227/232 cam, 1 7/8" headers, truck intake, stock truck TB, built 4l65e trans, 2600 stall converter, 3.73 gears in my 71 Cutlass. From a standing start it burns the Nitto 285/35r18 555G2's to 80mph before gettting traction. I haven't gotten dyno numbers with the latest tune, but it made 400tq and 405hp at the wheels with my old tune, and my new tune feels like a whole new car. That car is snappy and will prove to a lot of LS haters that torque is not lacking.
I love and will never swap out my 63 Catalina 462, but there is nowhere in the power band that it feels even close to as quick as the Cutlasss. Maybe after some forged rods and the ported 96's that flow 250@ .500 and a little more cam it might be a good fight. The cars are built for different purposes though, with the Cutlass being tasteful resto-mod and the Catalina more nostalgia street racer. I am of the belief that there are a lot of ways to have fun, and all options should be explored.
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