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better shifts

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Old Dec 13, 2010 | 02:35 PM
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Arrow better shifts

Im currently running a stock 1991 E40D auto trans. Im looking for a bit more control over it for towing besides the overdrive off button. I have a 7.3 diesel motor for power but since going auto I realize the power loss since it wont stay in its prime RPMs. Anyproducts out there to help this? Iv looked but nothing found since theres no computer for it
 
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Old Dec 13, 2010 | 02:42 PM
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Hmmm... I would like to know this also, my tranny seems to shift too early in the power band and not downshift as soon as I would like when I go up hills and such... I have my FIPL adjusted best I could, anything else?
 
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Old Dec 13, 2010 | 03:32 PM
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That is a result of the 7.3's weakness and the transmission engineered to have softer shifts. A turbo and transcommand from Banks power will fix that.
 
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Old Dec 13, 2010 | 03:41 PM
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A turbo isnt in the budget for me. Im a college guy right now. Can a transcommand be installed with out the turbo? I thought the transcommand only worked with the electronic E40D not the mechanical one that I have
 
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Old Dec 13, 2010 | 06:33 PM
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E4OD stands for electronic 4 speed w/overdrive. There is only one type of E4OD and its the one you have. Unless you have a C-6 which is a mechanical automatic transmission that came before the E4OD.

I'm positive transcommand can be used without the turbo. All Transcommand does is stiffen the line resulting in more decisive quicker shifts.
 
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Old Dec 13, 2010 | 06:37 PM
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or get a shift kit from b&m i have one and no more soft shifts it engages pretty nicely imo anything that jacks up the line pressure is junk
 
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Old Dec 13, 2010 | 06:37 PM
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and the shift kit is cheaper than the transcommand
 
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Old Dec 13, 2010 | 06:40 PM
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This is second hand info, but ive heard alot of mixed results about trans command, and more worse than better ones it seems.
 
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Old Dec 13, 2010 | 06:47 PM
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what is second hand info the shift kit or the transcommand
 
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Old Dec 13, 2010 | 06:47 PM
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im lookin th te B&M kits. It seems like a decent amount of work to do and easy to screw up. Have any of you done this and how hard was it? Im farly confident I can do it but dont wna to blow a trans.
 
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Old Dec 13, 2010 | 06:50 PM
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not too hard just take your time and read the instructions and use a torque wrench to tighten the valve body down
 
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Old Dec 13, 2010 | 06:50 PM
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it will supply everything you will need to do it even the necessary drill bit to enlarge the hole
 
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Old Dec 13, 2010 | 06:52 PM
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sounds like ill be gettin the B&M kit. Ill do the job in the spring when I flush out the trans fluid. Hoping to pull out a bit more power from the engine with some new injectors and dont want the trans holding me back. I know its not much but its a daily driver and on limited budget
 
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Old Dec 13, 2010 | 06:54 PM
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imo it is worth the 40 bucks i spent
 
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Old Dec 13, 2010 | 08:51 PM
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how about throwing in a psd e4od, using a pcm out of the same psd and running a superchips, hypertec programmer. wonder if it would work like that. just controlling the trans and all
 
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