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when tuning hi speed bleeds how many sizes do you go at a time without hurting anything. i have a bigs stage 5+ 950 with 35 hi speeds and would like to try bigger bleeds at the track next week.

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My dommy came w/37`s hsb`s and no way could I get it rich enuff. Ended up at 28`s and will go to 26`s next week when I take it to auto shop and see how it looks on the wide band. I went .002-.004 smaller till it looked good and the plugs confirmed that.