I will keep on doing what i've got going...just surprised that even light tan...it does not backfire...Right now I'm at like 2 3/4 turns out...and upon heavy throttle...I get a puff/fume out the exhaust..maybe back it in 1/4 turn....I'm starting to wonder...is the 152 main..to small....is there a 154....I have a 42 pilot...so I know thats good..and 3 down on clip....Not so sure....at least the main is easy to change....Any ideas..still looking for the paper brwon bag color...Will post again when I work on it...