The 24x is for 3 bolt and limits cam selection.
LS3 design is 58x reluctor so going 24x is a step backwards.
Dyno tuned on an engine stand and then dropped onto you car with a different intake and exhaust should have a retune. With a MAF over SD it is not as important.
Last edited by Vega$69; 09-24-2015 at 11:25 AM.
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