I believe the sooner you get the boost in the rpm range the more TQ you will get ....but even with 84/85 mm pulley around 400 ish is prolly the max .......if you want more TQ you would need to go to e85 and tune for it ......or convert to a turbo kit
Still tho with what you have you should be 480-520 whp with 84mm and 350-390 TQ
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