[Bruce Edwards]

Ok hold on. He never said what size engine he has. For a 302 it is large for a 351 built up it about right. For a 460 it may be to small.
I think the question was how to lean it out with out taking it apart. That is why I said he can change the idel mix with the screws.
If the engine is to rich at cruise you can change the jet size but you have to remove the bowl.