Carburetor Tuning & Reader Questions - Performance Q&A

Carburetor tuning has always been up to the driver and his/her senses, to determine how a car behaves and performs.Tuning In The 21st Century
Carburetor tuning has always been up to the driver and his/her senses, to determine how a car behaves and performs. We can use vacuum gauges to get the idle side of the carburetor correct, but the main circuit of the carb can be quite tricky. What does a lean bog versus a rich bog feel like? Can you easily determine which direction the jetting needs to go? Since fuel changed back in the '70s to unleaded mix, we can no longer read the spark plugs for mixture; most unleaded plugs look completely white when the fueling is correct. The best way to set up the main jet calibration has always been at the dragstrip. Tuning the jetting for maximum mph in the quarter-mile is what the engine wants, but with ever-changing weather conditions between the density altitude and wind conditions, some jetting changes will only yield small changes in mph, which can then be skewed by a shift in the weather.inline_mediumwraptextright25692404/hotnews/1001chp_carburetor_tuning_and_reader_questions1001 chp_01_z+carburetor_tuning_and_reader_questions+pe rformance_parts.jpgTrue



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