Exhaust manifold glows red and truj won't get above 60. Wat causes this? on 1994 Ford F-350

Truck jut got out of a transmission rebuild and engines was runnin great before and now overheats and won't go over a certain speed and needs high RPMs to change gears.

by in Aquilla, TX on December 16, 2013
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1 answer
ANSWER by , December 16, 2013
sounds like you have a plugged converter