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basshead Profile
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X-TRAIL HOLIC
 


Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
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Re: "Piggy Back" ECU


I don't see how a piggy-back ECU which basically only affects fuel ratio could affect the ABS system, but I don't know the intricacies of the wiring for the piggy-back ECU. Perhaps you are on the right track by thinking there may be some interference, especially if the piggy-back ECU is mounted in very close proximity to the torque display's sender unit, or somehow inducing a spike on the ABS wiring system somewhere.

PS. First post on the forum for 2009! Happy New Year! I'm off to bed now emoticon


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Rich. X-013(c)
'04 S2 ST Auto. Nudge_roofracks_tow_tints_Lightforce_GME_YokoGeoA/T-S_TBS_bashplate_50mm-spacer-lift
Click here to see >300MB of photos and videos All For His Glory.
1/Jan/2009, 12:55 am Link to this post Send Email PM   Send Private Message MSN Yahoo Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5594
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Re: "Piggy Back" ECU


It also changes ignition timing Rich.

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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1/Jan/2009, 10:01 am Link to this post Send Email PM   Send Private Message Blog
 
hiimkam Profile
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X-TRAIL FANATIC
 


Date Registered: 11-2008
Location: Perth
TOTAL POSTS: 414
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Re: "Piggy Back" ECU


Hey all.

since now i have my full exhaust system and the cosmo CAI, the thought has shifted towards a piggyback computer now...

im thinking along the lines of the A'PEXi neo unit (read here )

from what i can see, this seems to be a unit that doesnt require professional installation/tuning so it looks like it might be a cheaper alternative than haltech's miniceptor. the maps and settings are user programable on the unit itself and can be set without computer software and/or a laptop.
the only downside is, it doesnt have adjustable ignition timing.
but i think i can live without this feature at the gain of having such ease of use/setting

price is around US$300 (+ postage) - ive yet to find a dealer in perth. got a few phonecalls to make tomorro and i think i know of a few places that might sell it. but i think buying it from the net might be cheaper than what a place called Xspeed (here in perth) might charge me. cos from previous experience, they charge an arm and a leg and i didnt have a plesant experience when i had my corolla dyno tested, costumer service-wise - in short, i found them to be a bunch of pric*s.

the miniceptor is still a viable option, but just wanted to get some feedback on the neo unit as it hasnt been discussed.

cheers.
Cam


---
GT2860rs, Ems stinger, tial external gate, 3" exhaust, 10psi and ~200kw @ all fours. Koya drifteks w/245/50 rubber, 70mm lowered springs, slotted rotors and painted calipers :)
11/Feb/2009, 9:12 pm Link to this post Send Email PM   Send Private Message MSN
 
hiimkam Profile
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X-TRAIL FANATIC
 


Date Registered: 11-2008
Location: Perth
TOTAL POSTS: 414
Reply | QUOTE
Re: "Piggy Back" ECU


Hey all.

since now i have my full exhaust system and the cosmo CAI, the thought has shifted towards a piggyback computer now...

im thinking along the lines of the A'PEXi neo unit (read here )

from what i can see, this seems to be a unit that doesnt require professional installation/tuning so it looks like it might be a cheaper alternative than haltech's miniceptor. the maps and settings are user programable on the unit itself and can be set without computer software and/or a laptop.
the only downside is, it doesnt have adjustable ignition timing.
but i think i can live without this feature at the gain of having such ease of use/setting

price is around US$300 (+ postage) - ive yet to find a dealer in perth. got a few phonecalls to make tomorro and i think i know of a few places that might sell it. but i think buying it from the net might be cheaper than what a place called Xspeed (here in perth) might charge me. cos from previous experience, they charge an arm and a leg and i didnt have a plesant experience when i had my corolla dyno tested, costumer service-wise - in short, i found them to be a bunch of pric*s.

the miniceptor is still a viable option, but just wanted to get some feedback on the neo unit as it hasnt been discussed.

cheers.
Cam


---
GT2860rs, Ems stinger, tial external gate, 3" exhaust, 10psi and ~200kw @ all fours. Koya drifteks w/245/50 rubber, 70mm lowered springs, slotted rotors and painted calipers :)
11/Feb/2009, 9:13 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29092
Reply | QUOTE
Re: "Piggy Back" ECU


Hi Cam,

I have looked and researched all of these "pretty gadgets" as I call them and the fact that they don't do ignition timing adjustment was a major let down for all of them. Timing adjustment is exactly what you will need to correctly tune the car to get the full potential of the power/performance mods, without it, it'll be just staring a nice screen with colorful graphs.

My advice is to save-up and get the best there is which is the Haltech that is receiving awesome reviews and feedback worldwide.

P.S. You can find the Apexi in Australia for around $570.00, just Google it.

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11/Feb/2009, 9:28 pm Link to this post Send Private Message MSN Blog
 
hiimkam Profile
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Date Registered: 11-2008
Location: Perth
TOTAL POSTS: 414
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Re: "Piggy Back" ECU


Hey jal.

what difference would it make advancing my ignition timing with consult, in conjunction with the apexi?

from your experience how is the haltech tuned?
is it a fuel map thats depentant on rpm, throttle and airflow sensors or what?
the haltech website doesnt really give away much info.
is it untouchable with out being parked on a dyno with a fancy tech guy punching things into a laptop?

is there any user interface?
what about user adjustable settings?





---
GT2860rs, Ems stinger, tial external gate, 3" exhaust, 10psi and ~200kw @ all fours. Koya drifteks w/245/50 rubber, 70mm lowered springs, slotted rotors and painted calipers :)
11/Feb/2009, 9:51 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29092
Reply | QUOTE
Re: "Piggy Back" ECU


quote:

hiimkam wrote:

Hey jal.

what difference would it make advancing my ignition timing with consult, in conjunction with the apexi?



Since the piggyback is meant to fool the ECU by using its own fuel maps and data, the ignition timing will vary depending on these values and the way the car is driven. Setting or advancing the ignition timing of the factory ECU using Consult will only help if you're not using any piggybacks or gadgets like Apexi.

quote:

from your experience how is the haltech tuned?



On the dyno with the laptop on board. That is the only correct way of tuning the car.

quote:

is it a fuel map thats depentant on rpm, throttle and airflow sensors or what?
the haltech website doesnt really give away much info.



Yes, fuel maps and air:fuel ratios as well as timing are set live while on the dyno to reach optimal performance and peak power.

quote:

is it untouchable with out being parked on a dyno with a fancy tech guy punching things into a laptop?



Not sure what you mean by this but it can only be calibrated by the person who fits it. (i.e. a performance shop)

quote:

is there any user interface?
what about user adjustable settings?



Yes, there is an interface for the laptop to plug into, however it is not user adjustable as the tuning software used by Haltech is propriety software which only Haltech dealers carry, so the car would have to be tuned by that dealer who fitted it for you. In any case, no adjustments are required after the initial tuning unless you add more power mods.

You should dyno your car now to see what you have gained and how rich your exy is running to know what needs to be done.




Last edited by jalalski, 11/Feb/2009, 10:07 pm


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11/Feb/2009, 10:04 pm Link to this post Send Private Message MSN Blog
 
hiimkam Profile
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Date Registered: 11-2008
Location: Perth
TOTAL POSTS: 414
Reply | QUOTE
Re: "Piggy Back" ECU


hmm.

how much would that usually cost for just a dyno run?

and how much would i expect for the installation and tune of a haltech system?

thanks for the info mate
 emoticon

---
GT2860rs, Ems stinger, tial external gate, 3" exhaust, 10psi and ~200kw @ all fours. Koya drifteks w/245/50 rubber, 70mm lowered springs, slotted rotors and painted calipers :)
11/Feb/2009, 10:12 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29092
Reply | QUOTE
Re: "Piggy Back" ECU


Dyno run would cost around $150.00 (am not sure, as I never had to pay for my dyno runs) LOL emoticon

For the Haltech price, around $1,200 fitted and tuned and it is a full day job.

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11/Feb/2009, 10:24 pm Link to this post Send Private Message MSN Blog
 
hiimkam Profile
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Date Registered: 11-2008
Location: Perth
TOTAL POSTS: 414
Reply | QUOTE
Re: "Piggy Back" ECU


how come you dont pay for them?
dont mind my asking.

a worthwhile mod in your opinion?

i guess theres no avoiding the price this time.
let the saving begin



---
GT2860rs, Ems stinger, tial external gate, 3" exhaust, 10psi and ~200kw @ all fours. Koya drifteks w/245/50 rubber, 70mm lowered springs, slotted rotors and painted calipers :)
11/Feb/2009, 10:50 pm Link to this post Send Email PM   Send Private Message MSN
 


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