I seen in the manual that the secondary jet can be changed..........I don't know where it is located and the book doesn't say, but could I change it out for a larger one for more fuel on the top end?
Love Old '67-'72 GM Pickups! Dare to be different.....Running GM Inliners, GMC's MONSTER V-6's, and real inline power, Cummins, in Central PA.
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