86' Chevy iron-z has reverse and 1st but it won't shift until you get rpm up and let off throttle and it goes into neutral , fluid is up and doesn't. smell burnt. Also have ckd. the cable
Sound,s like the band,s in tranny are bad,you might change the tranny filter,may help,but more than likely you may need to rebuild it,or replace it.
Check your vacuum modulator. Less than $30 for TH350/TH400 and easy to install (if it's the problem....) http://www.ehow.com/facts_6948943_transmission-vacuum-modulator-valve_.html
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