Solutions Central Solutions Central › Tag: carburator|directly|pourFilter:AllUnansweredSort byViewsAnswersVotesB-12 Chemtool – Carburetor, Fuel System & Injector Cleaner Directly Into 4 Barrel Carbchemtooler answered 9 years ago • Choke, Cleaning / Degreasing > B-12 Chemtool® Carb, Throttle Body Cleaner1696 views1 answers0 votes