CMD or PowerX - Page 2 - Hyundai Genesis Forum
Technical Tuning of EMS/EFI This section is reserved for discussion about the electronic tuning specifics for the Genesis vehicles.

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post #11 of 31 Old 03-22-2010, 06:53 AM
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I Have the PowerX and i think its great. The third map does eliminate the speed and rev limiter.

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'10 Bathurst Black GenCoupe 2.0T - Buschurracing Intake, MSD Lazer Boost Gauge, PowerAxel PowerX Reflash, CP-E Turbo Back Exhaust, Eibach ProKit, Luxon front Grill, Debadged, Ace Alloy Wheels, CP-E FMIC, DW 550 Injectors

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post #12 of 31 Old 03-22-2010, 07:20 AM
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Quote:
Originally Posted by macrez21 View Post
ahh, good post this is what i was gonna ask next month. But the only thing with the CMD is your doing all the mapping and etc. your self which leaves me scared i might mess something up. Those of you that have the CMD, how easy is it on a scale of 1 to 10, and did i understand right when Tufast said that it does not need to be attached to the car everyday?
I want the tune on my car to be near perfect & get the most out of the mods that I've done, so decided to install all Stage1 bolt-ons at same time & trailer car to expert facility to be dyno tested & tuned. I will do the same thing when time for stage2 power mods & then Stage3.

I feel that the CMD is intuitive enough that a beginner can even learn, but I'm wanting near perfection on my tune in order to get the most I can out of it, thus will let others in the know handle that aspect of my build.

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post #13 of 31 Old 03-22-2010, 09:06 AM Thread Starter
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Originally Posted by CrookedH View Post
No need to "do everything yourself" as any capable shop should be able to tune with CMD. If they can't figure it out in 10 minutes then they're not worth using, as it only took me about 5 mintues to get used to it. If you don't plan on getting any custom tuning done and only plan on using an intake then I would suggest the PA reflash, as the generic CMD tunes run pretty rich on the automatic my wife has. Most of the PA reflash a/f ratios I've seen have been in the 12:1-13:1 range so perhaps they won't run as rich as CMD canned tunes do on the automatic. The 12:1-13:1 is also a little scary to see people running, but I'm sure PA knows what they're doing and deemed that a safe a/f.

With that said, the cost of a custom tune with CMD or just a generic PA flash should be about the same. At the levels you're talking about, adjusting timing, cvvt, etc isn't really an issue. I highly doubt there are that many parameters altered in the generic PA tune, there's just no need. The stock turbo is going to max out around 250 for everyone regardless of timing or any other ECU tweaks.

PA is a much simpler solution to use but you're stuck with their tune... If you are going to order one I would suggest using Beyond Redline as they have the most experience with the PowerAxel unit.
So do you think either one is safe to use with the automatic? I just don't want the torque to kill my tranny after a year.
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post #14 of 31 Old 03-22-2010, 10:11 AM
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So do you think either one is safe to use with the automatic? I just don't want the torque to kill my tranny after a year.
The 5speed, Y5SR1, in the coupe has been used with variants of the Lamda V6 before, so unless you're talking about taking the car to the track every weekend, I think it should be fine. My wife is far from having a light foot and we haven't had any issues with hers yet and CMD has been on her car with a 20psi tune since I was driving it back in November. Kia used the same or similar transmission in a SUV meant for towing, so it should be able to withstand some abuse.
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post #15 of 31 Old 03-22-2010, 02:59 PM
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So if i were to go with CMD do i have to have it "married" to the car like the power axle?
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post #16 of 31 Old 03-22-2010, 03:54 PM
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You can pull it off and reuse it on any other GC. The one on my car was actually a used one I picked up on this site. The PowerAxel units can, through a process, be "divorced" from your car as well. I think you just have to contact PA and prove you've "unflashed" your car and are selling the box, or something along those lines. I'm not sure of the exact details of that one.
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post #17 of 31 Old 03-22-2010, 04:55 PM
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So what advantages would i have if i decided to run poweraxle as opposed to CMD? Does the CMD still eliminate the dreaded rev hang?
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post #18 of 31 Old 03-22-2010, 05:17 PM
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So CMD has to be plugged in the whole time in order for it to work right? or can u run the CMD program and re-tune the ecu and let someone else use it?
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post #19 of 31 Old 03-22-2010, 06:31 PM
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Quote:
Originally Posted by macrez21 View Post
So what advantages would i have if i decided to run poweraxle as opposed to CMD? Does the CMD still eliminate the dreaded rev hang?
No rev hang fix from CMD. PowerAxel will give you the rev hang reflash from the dealer built into the flash they offer, but I'm not sure their fix is anything aside from including the TSB reflash that everyone can get at the dealer. PowerAxel or Beyond Redline would be a good one for details of their rev hang fix... They also offer an rev limit increase and top speed increase I believe. PowerAxel tuners also have the ability to adjust ignition timing, variable valve timing settings, and a slew of other things as well. I doubt much if any tweaking is done to those in the base tune though.

Quote:
Originally Posted by quicksilver059 View Post
So CMD has to be plugged in the whole time in order for it to work right? or can u run the CMD program and re-tune the ecu and let someone else use it?
Correct. You plug it in and leave it in. It adjusts signals on the fly and doesn't actually alter anything in the ECU itself. Ecu sends a signal to the injectors and/or boost solenoid and CMD adjusts according to your tune before the signal gets to the injectors/boost solenoid
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post #20 of 31 Old 03-22-2010, 07:06 PM
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Ok, does anyone notice a different with their MPG? Just wondering because i would figure if the poweraxle is adjusting all this there would be a noticeable difference. the miles per gallon don't sway my decision what so ever but i am just interested to see what others are running like. Thanks for the help though guys, i guess i'll be running with poweraxle.

PS. If beyond redline gets rid of rev hang, does it do anything else? or is Poweraxle just the best module for this vehicle?
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