Can anyone tell me how to access the smoke screw (full load fuel adj.). I have done the ALDA adjustment and I still do not get any smoke except a puff of black smoke on initial acceleration. I did notice a little more power but since there is no smoke there must be room for more fuel.

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Mark
82 300SD 110k
91 Caprice SS
92 Jetta TD
97 Cadillac Concours(300hp)
84 Celebrity 4.3L diesel