Who wins the battle to build an A833?

So the ball is rolling on my W9-headed 360 that's going to be shifting at 7,500. I plan and would to keep an A833 in the pickup for originality and just because the pickup is being built for enjoyment. 600 hp is the goal with slicks and a Dana 60. The question is who do I send/order/build my A833 to put behind the 360 that will hold. Clutch tamer will be used so. Passon, Brewers, or Liberty? Who wins?

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