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The last missing detail here is the tune; Dennis has been making ground on better tuning that is really working well with the ATT, and Bill Heath has been doing some nice work there, also. Some of the other reports are indicating that the ATT and the HX respond differently to different tunes...

i have the diamondeye on my 2 door yukon. i bougt it from warpspeed it comes with an 18 inch muffler cause the 24 wont fit

`it will be fine unless you do a TDCO learn then if is way out your SES light will come on. I to have driven many times with a few trucks befor setting the timing.

Is there an adjustment for the refresh or sample rate?

well i never did get the net book to work with the usb adapter but i did end up getting the laptop i got with the cable to work. CARCODE IS JUNK! It is SLOW, not user friendly at all. I have GMTDscan and VAGcom they are way better.

so i bought a carcode cable from a guy and he gave me the old laptop that he was using. The battery was junk but it had a cig. adapter. The laptop woild not boot up. no big deal, i have two more. Well i grabed my netbook that has my gmtdscan but it does not have a serial port so i go to staples...

That is odd. When you say"put the key in" do you mean just put it in? Or turn it? I guess I would have to ask where your picking up your ground to the switches? Is it a spot that for some reason is not grounded until the key is in? Second I would have to ask, when you installed the remote start...

how do you tell fakes?

Your right they do, but they don't do it COLD. Every one I have set up or serviced has a block heater that is on 24 7 keeping it at about 65F. I personally don't want my engine going through that abuse thats why I did this and shared.

-4 this morning remote start and high idle worked great

nothing. its the same

Nice work

ATT is the easiest/best way to go, just not the friendliest on the wallet.

Oh boy,,,, I just started a conversion my self well more of a body swap. 97 2500 6.5 sub the body was junk. Got a low miles 99 1500 5.7 sub at the auction for $625 in the no run section. Fixed a fuel line and been driving it for a month while I stripped the body off the 97. It now sitting naked...

Stock. I personally can't get past the fact that the IP controls how much fuel is injected via the tune, not the size of the orfis. On a common rail yes, IdI not so much. I have a pop tester and have HO nozzles and tested both. The stock injector has a nice mist of atomized fuel. The HO's give a...

Glad you like that ecm. I wasn't going to get any use out of. I don't know of any lag with the gmx, but once you change to ANY other free flowing turbo you will be amazed. The low end power it frees up is cray. I just got my second Heath reflash. I like this one better then the last but I think...

I have had great customer service with Heath diesel, I had to wait for a core as well. He says its a problem getting them as well. I just had it re flashed for the ATT I like it but want to try other tunes when the budget will allow.

Yes any diesel compatible remote start will have a programmable wait to start.

It would increase the lag even more. I'm all set with that. I'm working on a quick spool valve now. Just pondering what metals to use foe shaft and bushings.

Plug it.