Join Date: Apr 2008
Location: Beeville, TX
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Which Alison tranny is it? Some of them don't even need electrics. I have one on an international wheel chair bus (2001) and it doesn't use any electrics. It's an AT500 (4 speed). Another thing to think about, now I may be the only one that has this problem, is that my bus is governed at like 65mph somehow by the PCM. If you have this problem, then use the Ford PCM and IDM from the truck you already have.
The other thing to think about is that the International version of the 7.3 (t444e) is built for medium duty trucks, which don't usually go as fast as light duty trucks (1 ton or less). They don't turn the same RPM's and they might be governed. They also don't produce the same horsepower. They do tend to produce more torque for their horsepower though. I don't know if there is a physical difference in the engines (say a different cam) or if it is all software.
Eli Benson - EMT, Ambulance Mechanic
'08 F350 Dually KR - Spartan'd
'07 F250 CC SB 4x4 XLT - SCT /w Innovative Tunes
4 '09 & '10 E350 6.0l ambulances
1 '08 Duramax 6.6 (LMM) van ambulance