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I was looking into porting my 701 RN SJ next season, and was just wondering about how much that runs $$$ to get done at shop?

I was wondering if it'd be worth swapping my daul 38mm carbs out for daul 44mm carbs? Would there be any big difference in power gain? I have speedwerx pipe, MSD enhancer, and girdle head (185psi) are the main engine mods right now.