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Thank you aerohead, you rule. I will definitely apply these numbers, the best way being to just put a smaller engine in. Maybe a smaller throttle body would be good enough... No, what me and my empty wallet are actually going to do is just not take the van outside 1350-2600 rpm. Haha with a final drive of 3.73:1 that's like 30 mph. Anyone have a super low (~2.30) heavy duty rear end laying around??