Fine Tuning a 360 Magnum with a Brawler "Double Pumper"

Mattax said
OK. I'll add this because its not going to come up otherwise.
Four corner idle. On this engine, shut them off (turn all the way in) and then just crack 'em.
You can seach four corner idle and poor man's four corner idle for what they do, and you'll understand why I'm saying to basically shut the secondaries to a trickle.
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Yeah mine are barely open as it sits right now. I’ve read that the brawlers are super sensitive with the 4 corner idle, Holley says to start at a turn and a half out when tuning the idle and if I did that on this carb it would barely run. I start at a half turn out and usually have to go in a quarter turn