mine is f/i, 630hp 615tq they make 3 models lsx454 lsx454ho lsx454ss i got the ho mated to a 6l80 ,the only option i couldnt do yet is roller rockers there coming soon. mine is a turnkey engine. when i buy an engine its the dyno sheet and torque curve i look at most.good luck on your choice. i also found the people at gm know nothing about the motor yet.
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
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