My 1980 el camino is taking to long to shift?
Did you check the fluid levels, may be the filter is clogged, could be a cable adjustment.
Throttle trans cable comes to mind. Did it break off?
If it also lacks power and is running hot could be the timing chain. Check the ignition timing. If the ignition timing is retarded (late) and you didn't move the distributor the timing chain is worn. This will cause late shifting in addition to the other symptoms I've mentioned because engine vacuum will be reduced. The shift points are controlled by the vacuum modulator. With a worn timing chain the engine must rev higher to achieve the needed vacuum for the transmission to shift. HTH. -Jim
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