That's what I always thought.
I have a argument going with a guy who says T-19 was available through
1991. He claims the 4 speed was the base transmission for 7.3 and everything else was an option. I could believe that for 1988 or so but I thought by 91 it was all 5 speeds for the manual transmission.
Right, I've still got the showroom brochure from when I bought my '91, it was either a 5 speed or an automatic. I think that was the case since about '88. It would have been stupid to offer the 4 speed along with the 5 speed. My old 82 F-250 had the 4 speed and the split between 2nd and 3rd was so wide it was rediculous to tow with it.
Heavy truck and diesel mechanic (thankfully retired after 30+ yrs)
'91 F-250 SC 4X4, 5spd. ATS Turbo, 3:55 diff.
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