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Re: Overdrive Off vs. Tow/Haul
All the 6.0 diesel vans have the Torqshift trans. Plus they have the intercooler. From what I understand they are exactly the same engine as the truck just programmed differently for a lower HP and torque curve. The reason behind the reduced HP/torque is the rear differential being the weakest link. It is a Sterling 10.25 rear and the trucks have Dana 70's, is that correct?.
Mine is a quigley 4x4 ext E350. I tow 10K lbs with the OD off, but when I am up to highway speed 65-70 and flat towing I engage the OD. Basically watch the RPM's and temp gauge while in OD. Dont lug the motor and you will be fine. In mine at 70 MPH with 4.10 gears the engine is screaming when out of OD. Just listen to the motor it will tell you when to shift. Ha Ha [img]/ubbthreads/images/graemlins/laugh.gif[/img]
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04 E-350 6.0 12 pass XLT Clubwagon, White w/ tan interior, 4:10 LS, Quigley 4x4, Daily driver
03 Jeep Rubicon Red w/ tan interior for the wife
69 AMC AMX 390 4 sp, AC, PS, PDB
70 AMC AMX 390 Auto, AC, PS, PDB
70 AMC Rebel Machine 390 Auto, AC, PS, PDB
68 Jeep M715
60 Mack B-61 and B-47
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