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I INSTALLED A 42MM CARB SS OF COURSE ALONG WITH THE NEW DUAL INDUCTION BREATHER ON MY 883 SPORTY WITH A 1200 KIT (WIESCO PISTONS) AND TUNNING THIS NEW BREATHER HAS BEEN A CHORE BUT HOW MUCH POWER SHOULD THIS GAS GUZZLIN MINI MONSTER PUTOUT NOW THAT ITS TUNED
There is absolutely no way to know other than to put it on a dyno. Also, please stop shouting, turn off the caps lock.
Assuming you did only what is listed to a stock 883, you'll likely have something LESS than a stock factory 1200. Obtaining a real improvement in HP & Torque takes more than doing jugs and pistons. The motor won't breath as well with the stock 883 heads and you still have 883 cams. The carb change will have more effect on throttle response than any effect on power given the info you listed.
Ditto on the head work and cams. Big carb don't mean big HP. Adding performance parts takes a little planning as "to which works best with what and by doing what to that"... not buying the first thing you see and slapping it on. I have 75 peak HP with just stage 1 and cheap drags because I also did some free home mods on the stock carb and still get 140 miles on the peanut. Waiting for my stimulus check to buy a cam...
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