nah, shop isn't open on sunday, i emailed him, but no response yet, i'll call tomorrow for sure.

 

yeah kinda figured.

 

FWIW, a few days ago AEM tech support told me that z1.07 works better than z1.04. The tech stated that 1.04 worked best when they first tested with the TC a few years back but when they developed their PnP harness, they retested and found that 1.07 worked better for them. YMMV.

Also worth noting is that 3 weeks ago AEM revised their wiring instructions for the crank and cam sensor grounds from intercept to tap. The new FIC/6 instructions can be found here:

http://forum.aempower.com/forum/inde...c,25388.0.html

 

so that goes for all PNP harnesses? or the one AEM developed? is it different from the one that i got from boomslang? was the tuning done on a same year tc? could it have been a difference between an 05-06 and 07 and up model tc?

 

iv never had anyluck with the z107hex....i have tried 104 on 2 2006 Tc's and 2 2007 tc's...so far 104 has been better. 107 seemed to make the cars throttle response lag more and made idle vary. also it would make a car die at a stop sign because of this poor idle.

tommarow ill do a vid for you guys.

I wonder how this new wiring instructions will affect tuning.

I trust more whats on the aem forum than i do tech support...thats just me though.

http://forum.aempower.com/forum/inde...c,19962.0.html

they still havnt changed the information...but if youll look at page five a guy with a 09 tc used 107 and says he likes it...

 

I use 107 and have had 0 issues with idle..

Guess it luck of the straw pick!

 

oh boomslang added the cam and crank resistors to their new harness's and added a 3rd resistor... on the o2 leads... on Hix (aka kyle) we blew that resistor and it threw the car into open loop. just thought id give a heads up if some of you have gotten a boomslang harness and notice an extra resistor.

 

maybe idk...never seen it work well..

btw flintmica was tuned by turbochargers using 107....I admit the tune they gave him sucked royal ballz (no maf map, no 02 map). i swapped to a base map of mine and it didnt change a thing really, car acted the exact same till i changed to 104. after that it was easy tuning from there.

but hey to each his own...if you can tune using 107 or 110 more power to ya. I still want to see a perfectly running tc using 107 and 110, maybe ther is something to it. im just running off of what i have tried and what is proven.

 

According to AEM, the slave firmware isn't affected by the revised crank and cam sensor wiring. The slave firmware only handles fueling. I wish I knew more but all I know is what one AEM tech told me on one phone call. I think it might be worth discussing both here and on the AEM forum.

As for the wiring change, Boomslang tells me that they have always tapped the - crank and - cam wires, contrary to AEM's old instructions. As far as I can tell, tapping should be less likely to pick up induced electrical noise than intercepting the grounds and running them 6' to the FIC and 6' back to the ECU unshielded. I can only guess that AEM changed the wiring to reduce the noise problem that often necessitated the installation of resistors between the + and - FIC inputs.

The only thing I'm 100% sure of is that my new Boomslang PnP harness doesn't work. When installed I get a P0335 CEL and the car is undriveable. Boomslang, Descendant and Dezod are all aware of the problem, it affects more gen2 XB owners than just me and they are working on a solution. Boomslang just informed me that they have ruled out a software fix and need my harness back.

 

hmmmmm....crankshaft position sensor malfunction....maybe the wireing

 

FWIW, the tech I spoke with suggested the opposite was true. He stated that 107 solved some hesitation issues they saw with 104. It might be model year dependent or simply not true at all, I don't know. If I had to guess, I'd guess that 107 changes fueling enough that a tune done on 104 doesn't work well with 107. OTOH, which version works best could very well be related to model year or even the particular FIC used. AEM might have made hardware revisions to the FIC over the years that we don't know about. The AEM forum is probably the best place for answers.

As for the wiring change, it shouldn't affect the tune. It should only reduce induced signal noise on the crank and cam sensor grounds at the ECU by shortening the ground path.

 

I've verified that Boomslang intercepted the correct + crank/cam wires for FIC input and added resistors between them and the ground wires. The effect being to reduce the signal voltage sent to the FIC. They tapped the correct ground wires and the + outputs go back to the ECU with no resistance added.

There are a lot of things I'd like to try but I don't want to void my harness warranty so I'm sending it back to Boomslang today, at their request.

 

i know that (the reason for the resistors)...lol...perhaps the resistor is burned out...did you check with a multimeter? thats one of the codes we would get with the old boomslang harness before they used resistors. thats why a bunch of us started putting resistors on em our selves.

funny thing is there was a rep from aem on the boards a couple of months ago and when i asked them if they were going to add the resistors on their pnp fic's for the 05-06 Tc he didn't know what the hell i was talking about.

 

Sorry about stating something so obvious, lol. I just checked and the resistors seem okay (2.171Kohm). I haven't checked all the connections but the crank and cam sensors appear to be correctly wired. I give up...

Boomslang just emailed me a shipping label so I'm gonna ship it back and let them figure it out.

Edit: FWIW, my XB2 harness doesn't have resistors on the O2 leads.

To the OP, sorry bout the threadjack.

 

maybe the sensor itself could be at fault. just a thought

 

Nah, runs great without the harness. Also, Descendant, Boomslang and Dezod are all having the same problem on multiple XB2s. The common fix is to remove the harness and all is well.

 

well im out of ideas...lmao..

wireing is fine, sensor is fine, resistors are fine....not much left to check except for different fic and harness...maybe a pin on the harness is a little loose or a wire is loose.

 

i have the harness with no issues thats why i am stumped i feel like i have been lucky lol

 

hey cory what was that guys screen name that sent me his fic for repair? I remember him saying that he talked to you quit a bit about his xb2. I just cant remember his damn name to save my life...lol

 

uggggg lol lets see ummmmmmmm i know mach box is turbo and one other guy that has a white one i cant member his name for the life of me either hmmmmmmmmm and sinnce the new forums suck its not in there but it was a white xb witha custom kit hmmmmmm