Installed a DP Tuner a few months ago on our bone stock intake/exhaust 2002 7.3. I chose 80 daily / 60 mountain / 1200 high idle / plus stock and no start. I do not tow, and we probably weigh out loaded around 9500 lbs. Agile 4wd, gearing is 3.73, tires 285/70-17 KO2's
The install was pretty easy EXCEPT my tuner did not have good connection with the contacts on the Control Module circuit board. I had cleaned them properly and everything was per instructions. I had to send the whole ECU and tuner back to Jody. He re tinned the ECU contacts and made sure it all worked together. Extra $100 before it was all said and done for retinning and postage back and forth.
Certainly give the self install a shot. Use the acetone to soften the rubbery silicone gel and scrap it off the contacts on both sides with your finger nail or soft wood or plastic scraper. This will help protect the thin tin/copper contact where the tuner needs to make connection. It has to be clean. If there is no "Wait to Start" light on your dash, then you do not have tuner connection and the engine will not start. Try re cleaning but if two or three cleanings do not get it to start, you should just send the ECU in to Jody and have him re tin.
I became an expert at removing and installing the ECU ��. Btw - the ECU code was also in a driver door frame sticker, but better to pull the ECU and get the code just in case.
Re: Tune Selection -
High idle 1200: that is max and I think 1100 would be sufficient. Do a test and see if your engine likes one over the other. I would choose 1100 if I had to do over.
60 mountain - I don't use it, would not get it again. Holds rpm longer before shifting going up hill, downshifts when going down hill.
80 daily - peppy for sure but almost too much so for me. I have to add an EGT gauge to know for sure but I find it unnerving not knowing EGT. It will blow black smoke when I get on it, shifts can be a bit later than expected, couple of rpm spots it seems to slightly fluctuate/ not steady. I have played with this tune the most. On the easy flat freeway stuff it is pretty nice, but I shift back to Stock if I am going uphill. Again, once I have an EGT gauge I may have more peace of mind. I feel a 40 daily and 60 daily is sufficient and what I would choose if doing it again. I would probably set that mode (especially 40 daily) and forget about it while enjoying the bit of wake up it provides.
w/ ScanGauge - the tuner will mess with the readings big time. Rpm/EOT are fine, but mpg, MAP, Boost, etc. - no way they are right.
Mileage - I have to question any increase in fuel mileage with a daily tune over what was being experienced before the tuner was added. If the results are hand calculated, then that is what it is. But if using the ScanGauge, no way. Also, not sure how one can get better mileage buy dumping more fuel into the cylinder at a given rpm. It takes more fuel to make more power in a given engine with no other mods to intake or exhaust. I have not seen any better fuel mileage, nor any worse really.
If anyone has EGT info on the 80 daily going uphill, I would appreciate you sharing it. It would be helpful for me to compare to what I get when I install my EGT and Boost gauges. Oh, and when talking boost - increase over ambient or total Manifold Air pressure??
Beastie 3: 2002 7.3 EB Cargo: Agile TTB, CCV Mid Top, Custom Walk Through, Lots of stuff added.