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Well that was terrible....I am going to order another set of lines....I got these to work after a ludicrous amount of effort. On top of everything else the reason I was screwing around with the center carb was to use a different power valve as I had more vacuum than I initially thought when I was adjusting the mixture screws (which worked before)...but in the course of events I backfired like a shot gun and think I killed the new one....as now I can close the mixture screws and it still runs....really running rich...very frustrated as I am likely my own worst enemy

do yourself a favor, i don't know (you never said) where you bought your lines from or made them but my suggestion is to use Dixie Restoration. Randy sells Fine Lines and will stand behind them. http://www.dixierestorationparts.com/