Discussion Starter · #1 ·
I don't understand... why do I have to adjust the carb when I replace the stock exhaust system? I assume it's because I open the engine up with less back pressure, resulting in more available power, but then the "stock" carb settings make the engine run lean. I've seen references to something called the "scar" adjustments. Is that just "one way" to make the adjustments? Thanks for any help.