High Speed Needle ステップ 1 メインニードル Step 2 ステップ 2 Turn the high speed needle clockwise in 1/8 turn increments to lean out the fuel mixture for increased top speed and throttle performance. Drive the car to notice changes in speed and throttle response. ContinuT euning: Step 3 3 ステップ Step 4 4 ステップ Continue leaning the carb in Clockwise 1/8 turn increments. (Maximum of 2 1/2 turns from flush.) TS OP Tuning: Stop tuning and go to if your engine shows any of the follow signs.
