Out of everything you mentioned, I would choose the LSA. For one, it's impossible to argue with the torque delivery of a positive displacement blower. Secondly, it's good enough for the Cadillac CTS-V. And third, you can always stoke it to 408ci with a 4" crank if it's not enough "as is".
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
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