If the PCM monitors trans temp, the Cortex can log it.
If I recall my 4.7 does not show trans temp when connected to the DRB or scanner. The Hemi might as it will run different PID parameters. It all boils down to if your particular truck has a trans temp sensor. I know most of the V-10 models do have it, I'm not sure on the Hemi's.

Again, it is capable of monitoring and logging any PID the PCM uses. My 4.7 displays both long term and short term fuel trim on both the upstream and downstream o2 sensors. I am sure the Hemi is the same.

Keep one thing in mind here..... You can go buy a mid-level or higher Actron scanner cheaper from most any auto parts stores and see this same information in real time that the Cortex displays.... the only differance is the Cortex will log and store it for later viewing. The scanner shows it live, in real time.

I use two primary methods of keeping an eye on my Fuel trim (and all my PIDS)..... I usually use my Actron as it is readily available. When I am with my brother he usually has a Chrysler DRB with him so I use it and the cortex if I really need it.

hope this helps.

 

Thanks for the info man, it helped a lot.

 

No problem, anytime!

 

I talked to a guy who was a dodge mechanic who mentioned using a resistor to lower the IAT, and the possible power gains. Did it heip, and is that the same thing the AirRam Power Wire does??

 

My brother is a tech 2 at the Dodge dealer I bought my truck from and he too recommended it......

It works very well. I saw immediate gains in the responsiveness in the truck. My truck went from an average long term fuel trim of -1.07 (which means it's pulling fuel back) to a .09 which means its giving it a tad bit more fuel and no significant change in fuel economy. I might have lost 1 to 2 tenths per gallon.

I don't want to cause anyone the loss of a sale especially in this economy, we all need to make a living..... but honestly speaking, it is the same exact thing as the PowerWire, however doing it yourself costs like $2.00 instead of paying somebody else like $55 to do it for you. It's very simple and can be done in like 20 minutes if you have wire cutters, a soldering gun, rosin core solder, shrink wrap and a resistor. That's what it took me.

Several others have asked me how I did it so I made a post with pictures explaining it here.... https://dodgeforum.com/forum/1515349-post25.html

good luck!
J

 

If I hadn't gotten my powerwire for free I would probably have made one. It is a nice mod.

 

Your pics show 6 in one of them and like 10 in the other. How many did you solde in and are they all in series??

 

You only use one.....I was mearly showing what they look like and how they come when you buy them....

Different color coded resistors will produce a different IAT temperature. If you look at my pictures the one's i'm showing have a negative number written on the paper.....that number is the temperature drop from stock using that particular color code.

I used a 1/4 watt, Red, Red, Red, Gold, which drops the IAT right to ambient outside temp and ignores under hood heat.

 

No No please don't take it wrong...... I am not saying anything bad about the power wire or anyone who uses them.... Not everybody knows about this stuff or wants to research it......

The powerwire is a great product for somebody who doesn't want to mess with the soldering and stuff..... I'm only saying that my method is a very cost effective approach for somebody who doesn't want to spend $55 for a lower IAT temp.

Both ways do the same thing..... Lower the IAT. Mine is just cheaper, that's all.

No offense was intended.

 

None taken man .