Quote:
Originally Posted by 351mustanger
Idle air/fuel ratio is controlled by pilot jet and air screw and float level. The main jet will be insignificant to the idle problem.
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I am aware of this. I guess since I am not really going past 1/2 throttle my plug is getting black from pilot jet huh?
With all my mods I would think a 134 main would be some where in the ball park....
Maybe I will leave in 134 and just try 38 pilot jet.