"Piggy Back" ECU https://baustralianxtrail.runboard.com/t124625 Runboard| "Piggy Back" ECU en-us Thu, 28 Mar 2024 15:34:40 +0000 Thu, 28 Mar 2024 15:34:40 +0000 https://www.runboard.com/ rssfeeds_managingeditor@runboard.com (Runboard.com RSS feeds managing editor) rssfeeds_webmaster@runboard.com (Runboard.com RSS feeds webmaster) akBBS 60 Re:https://baustralianxtrail.runboard.com/p2049370,from=rss#post2049370https://baustralianxtrail.runboard.com/p2049370,from=rss#post2049370The Mr20DE is a direct replacement of the QR20DE engine, so chances are the mods for the QR20DE engine will still fit the M20DE, but you gonna need to research that a bit more.nondisclosed_email@example.com (jalalski)Sun, 23 Jan 2011 16:39:23 +0000 Re:https://baustralianxtrail.runboard.com/p2049364,from=rss#post2049364https://baustralianxtrail.runboard.com/p2049364,from=rss#post2049364Ok. Thanks for the advice, mate. But my Exy use MR20DE engine, not a QR20DE engine. They are different engines right ?nondisclosed_email@example.com (autech)Sun, 23 Jan 2011 13:39:09 +0000 Re:https://baustralianxtrail.runboard.com/p2049360,from=rss#post2049360https://baustralianxtrail.runboard.com/p2049360,from=rss#post2049360The piggy back is the last performance modification you should be thinking of, it will help tune all other performance modifications you have done to the engine and run the car at optimal level. Make sure you browse through the performance section of the forum to familiarize yourself with the available performance mods for the QR25DE and QR20DE engines.nondisclosed_email@example.com (jalalski)Sun, 23 Jan 2011 08:26:53 +0000 Re:https://baustralianxtrail.runboard.com/p2049354,from=rss#post2049354https://baustralianxtrail.runboard.com/p2049354,from=rss#post2049354Hmm. Maybe a little off-topic. But I want to do some performance modification, can the piggy back help ? Or maybe mods the other parts ?nondisclosed_email@example.com (autech)Sun, 23 Jan 2011 01:23:53 +0000 Re:https://baustralianxtrail.runboard.com/p2049353,from=rss#post2049353https://baustralianxtrail.runboard.com/p2049353,from=rss#post2049353I think you need to do a bit more reading mate. The factory ECU is quite capable of handling additional performance modifications with no problems. The point of fitting a piggy back ECU is when you reach a stage where the factory ECU can no longer do that and you want to have greater control over the fuel maps and timing. There is no point in fitting the piggy back ECU on a stock standard car at all.nondisclosed_email@example.com (jalalski)Sun, 23 Jan 2011 00:24:02 +0000 Re:https://baustralianxtrail.runboard.com/p2049350,from=rss#post2049350https://baustralianxtrail.runboard.com/p2049350,from=rss#post2049350To improve my Exy's performance, mate. I read in some magazines, that piggy back can improved the car's performance. Or maybe you have other opinion, Jalal ? Tell me about that, mate. nondisclosed_email@example.com (autech)Sat, 22 Jan 2011 23:56:24 +0000 Re:https://baustralianxtrail.runboard.com/p2049349,from=rss#post2049349https://baustralianxtrail.runboard.com/p2049349,from=rss#post2049349And why do you need a piggy back Yoshio?nondisclosed_email@example.com (jalalski)Sat, 22 Jan 2011 22:55:03 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2049347,from=rss#post2049347https://baustralianxtrail.runboard.com/p2049347,from=rss#post2049347I'm thinking about installing piggy back on my Exy. What's the good aftermarket piggy back? Does it affect the factory warranty and insurance warranty? Regards Yoshionondisclosed_email@example.com (autech)Sat, 22 Jan 2011 22:37:52 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2045828,from=rss#post2045828https://baustralianxtrail.runboard.com/p2045828,from=rss#post2045828Tell her the accelerator works between off and "flat to the floor" nondisclosed_email@example.com (Revhead Kev)Sun, 12 Sep 2010 08:38:56 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2045662,from=rss#post2045662https://baustralianxtrail.runboard.com/p2045662,from=rss#post2045662I don't think so, but I'll be selling my Haltech soon. The wife says the exy is just too fast for her daily school runs nondisclosed_email@example.com (jalalski)Wed, 08 Sep 2010 13:51:08 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2045661,from=rss#post2045661https://baustralianxtrail.runboard.com/p2045661,from=rss#post2045661Has anyone from Victoria had the Haltech fitted yet? nondisclosed_email@example.com (Aztech)Wed, 08 Sep 2010 13:43:28 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2038718,from=rss#post2038718https://baustralianxtrail.runboard.com/p2038718,from=rss#post20387183 runs in 4WD mode and then he left the car to cool down for about an hour and did 4-5 runs in 2WD mode. He was taking it easy this time and didn't want to load the engine too much after I kept mentioning the cooked rear diff LOL nondisclosed_email@example.com (jalalski)Tue, 12 Jan 2010 22:29:40 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2038715,from=rss#post2038715https://baustralianxtrail.runboard.com/p2038715,from=rss#post2038715Thanks Jalal. Your 4WD figure of 76.8KW is very close to my 73.6KW. I'll remember to remove my fuse when I get mine re-tuned. How long / how many runs did it take ?nondisclosed_email@example.com (Revhead Kev)Tue, 12 Jan 2010 21:55:29 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2038535,from=rss#post2038535https://baustralianxtrail.runboard.com/p2038535,from=rss#post2038535Kev, I just came back from a visit to Spiro at Autotech Engineering and my concerns regarding pinging at higher RPM ranges during my last run to Melbourne and back were confirmed. For some reason my exy was running too lean (around 14 AFR ratio). It could have been because I never had it re-tuned for over 2 years, so Spiro adjusted that and brought it down to 12.8 AFR. He also confirmed that the torque split for the rear wheels in our exy is 70:30 My exy was dynoed in both 4WD and 2WD modes on a 4WD dyno and he decided to remove the 4WD fuse for the 2WD run. There was no torque going to the rear wheels at all when he removed the fuse. The 4WD mode dyno produced around 76.8KW and the 2WD dyno produced a peak of 84.3KW. The 2WD dyno figure is lower than the previous 2WD dyno run of 99.5KW because Spiro said that he had re-calibrated the dyno after a complete failure a year ago. Dyno Dynamics came around and re-calibrated the dyno for him and since then all peak power readings are lower. P.S. I got charged $440.00 for today's re-tuning session.nondisclosed_email@example.com (jalalski)Fri, 08 Jan 2010 13:05:15 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2036655,from=rss#post2036655https://baustralianxtrail.runboard.com/p2036655,from=rss#post2036655no it is a dyno dynamics dyno.. nondisclosed_email@example.com (daleh)Mon, 23 Nov 2009 11:06:10 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2036654,from=rss#post2036654https://baustralianxtrail.runboard.com/p2036654,from=rss#post2036654quote:daleh wrote: unleaded fuel will always cause black soot in the exhaust even if it is running at the correct mixtures Since fitting the piggy back ECU and tuning it correctly and using the 98 Premium fuel, I don't get any black soot in my exhaust. quote:if anyone wants a power run in sydney i can do it on my DD Dyno. Is it a hub dyno? nondisclosed_email@example.com (jalalski)Mon, 23 Nov 2009 11:00:59 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2036649,from=rss#post2036649https://baustralianxtrail.runboard.com/p2036649,from=rss#post2036649the nissan factory systems run in closed loop at light throttle openings, so no matter what you do with the intercepter systems this will not change, you can only change the fuel mixtures when the factory ecu is not in closed loop or you unplug the 02 sensor from the exhaust. i havent put our xtrial on the dyno yet but i would imagine the swap over would be around 75% throttle and 3000rpm. the fuel economy increase comes from optimising the ignition timing, a little more timing in the light load areas can make a huge difference. unleaded fuel will always cause black soot in the exhaust even if it is running at the correct mixtures, if anyone wants a power run in sydney i can do it on my DD Dyno.nondisclosed_email@example.com (daleh)Mon, 23 Nov 2009 09:40:26 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025240,from=rss#post2025240https://baustralianxtrail.runboard.com/p2025240,from=rss#post2025240Cam, I wasn't concerned about fuel economy when I installed the Haltech, the car was running rich period. You can tell from the black soot deposit on the exhaust tip. As soon as I fitted the CAI, it was black all the time. As soon as I fitted the Haltech, it was gone.nondisclosed_email@example.com (jalalski)Sat, 14 Mar 2009 12:16:00 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025239,from=rss#post2025239https://baustralianxtrail.runboard.com/p2025239,from=rss#post2025239Doh....gotta ignore spelling and recheck the content from now on replace E-manage with Haltech....nice pick up nondisclosed_email@example.com (Robbo0001)Sat, 14 Mar 2009 10:19:53 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025238,from=rss#post2025238https://baustralianxtrail.runboard.com/p2025238,from=rss#post2025238quote:Both replied that the E-Manage was a better option than G-Reddy Dave, the E-Manage is made by GReddy... im getting the e-manage installed and tuned first (as opposed to getting the clutch and flywheel done). i figured my wallet could do with a break... but now i think of it, my economy hasnt actually been THAT bad! ive been averaging 10-11L/100km and ive never had a tank worse than like 11.2 i figured out. keep in mind i havnt been driving like a nanna... so i guess it cant be THAT bad of a problem. if my air fuel ratio was off enough to cause serious problems, itd be noticeable in my economy...nondisclosed_email@example.com (hiimkam)Sat, 14 Mar 2009 10:04:53 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025229,from=rss#post2025229https://baustralianxtrail.runboard.com/p2025229,from=rss#post2025229Cam, Fitting a full exhaust system by itself won't cause your car to run rich as the factory ECU and O2 sensor can still handle it fine. However fitting a CAI or larger intake will cause it to run far too rich due to increased air intake as explained above. This when the factory ECU won't be able to handle the air ratio and stuffs-up the fuel ratio at the same time. As Shawn said, Nissan sets all of their cars to run a bit rich right from the factory to avoid any possible warranty claims to do with pinging, so there is a bit of room there to have it run lean without the need for the piggy back. This is only applicable for stock standard engines with no modifications.nondisclosed_email@example.com (jalalski)Sat, 14 Mar 2009 06:47:52 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025226,from=rss#post2025226https://baustralianxtrail.runboard.com/p2025226,from=rss#post2025226Too rich can wash the bore, which doesn't leave enough of an oil film for the rings and piston. This would lead to scoring, or at lease accelerated wear. But I'm not sure what exact level of fuel air ratio you'd call so rich to provide that effect. I gather that the Nissans are a bit rich normally and that doesn't seem to be a big issue by itself (except where the cat converter gets wrecked) nondisclosed_email@example.com (Eggins)Sat, 14 Mar 2009 06:32:08 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025215,from=rss#post2025215https://baustralianxtrail.runboard.com/p2025215,from=rss#post2025215I have approached 2 performance places in Brisvegas in the last month or so, in relation to what they could do with the Nissan QR25 ECU after the extractors/ intake are modified. Both replied that the E-Manage was a better option than G-Reddy (dont belive the economy/ power map settings work with the Nissan ECU) However, I can understand that having unburnt fuel (or fuel still burning)in the exhaust system can lead to bad things, and that is the problem with rich fuel mixture. Too lean, no power. Too rich, wasted power in the form of fuel burning in the exhaust sytem. I understand this (my novice interpretation) is caused by a larger than stock intake, a larger than stock set of extractors.....and a factory O2 sensor trying to set ECU parametres that are beyond its limits. Ie ECU THINKS.....to much oxygen because of more air from CAI/ Extractors (sensed at O2 sensor)....must be running lean....put in more full...run rich in reality also... One said to wait until all mods are done and see what happpens, apart from running rich and burning more fuel (with the standard Cat gone is this bad apart from the wallet?)... And I was also told that QUOTE there are some awesome diesel XTrail maps coming out let people know ENDQUOTE If anyone with a T31 diesel is reading this thread....I would start asking around if you were interested. Exact details are beyond me....cos I switched off when he started talking about diesels nondisclosed_email@example.com (Robbo0001)Sat, 14 Mar 2009 00:14:35 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2025205,from=rss#post2025205https://baustralianxtrail.runboard.com/p2025205,from=rss#post2025205hey guys. just wondering... is there any danger of running with a slightly too rich air:fuel ratio? im not gonna blow anything up or fry anything since ive got the full exhaust and the intake am i? the only thing i can think of is that its dangerous to my wallet i know there is danger of having too leaner mixtures, but is there any risk with the other side of things? and also, why does the air:fuel mixtures suddenly become too rich with intake or exhaust mods? thanks. cam.nondisclosed_email@example.com (hiimkam)Fri, 13 Mar 2009 20:59:01 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2024429,from=rss#post2024429https://baustralianxtrail.runboard.com/p2024429,from=rss#post2024429quote:jalalski wrote: quote:hiimkam wrote: jalal, whats you opinion of the switchable fuel maps of the GReddy? would there be much difference between the power one and the economy one? To be honest I keep scratching my head about this one cause am not sure what the economy mode will be used for, I never felt the need to run my exy with less power that it currently has and I doubt the economy mode will allow you to fill up with cheaper petrol than the premium 98 that you will end-up living with. Cam, what I was considering was having one map set for max power (on the road) and one map set for max torque (off-road) but never dived into the feasability of it. The Haltech Platinum Interceptor (Miniceptor replacement) I have actually has the function for two maps and Spiro who did the tuning said he could use the second map to optimise the running on LPG if I installed it later.nondisclosed_email@example.com (Revhead Kev)Tue, 24 Feb 2009 12:58:06 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2024204,from=rss#post2024204https://baustralianxtrail.runboard.com/p2024204,from=rss#post2024204quote:hiimkam wrote: considering our ecu is self adapting, how does that affect the installation of a piggyback? As explained in this thread, the piggy back fools the factory ECU by pushing its own maps, the wires of the ECU for certain functions will be routed through the piggyback to take control of these parameters, so whatever the ECU does in terms of self rest and self learn will not change these values and will have no effect on them. quote:jalal, whats you opinion of the switchable fuel maps of the GReddy? would there be much difference between the power one and the economy one? To be honest I keep scratching my head about this one cause am not sure what the economy mode will be used for, I never felt the need to run my exy with less power that it currently has and I doubt the economy mode will allow you to fill up with cheaper petrol than the premium 98 that you will end-up living with. quote:also, where is your unit located? cos i read somwhere that the miniceptor isnt weather proof, so where is yours in the cabin? Yes, the Haltech is safely inside the cabin behind the plastic trim in the passenger foot-well with a PC terminal connection safely located in the glovebox. nondisclosed_email@example.com (jalalski)Fri, 20 Feb 2009 21:42:16 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2024193,from=rss#post2024193https://baustralianxtrail.runboard.com/p2024193,from=rss#post2024193Yeh i couldnt imagine anything to do with ecu wiring could be described as easy! considering our ecu is self adapting, how does that affect the installation of a piggyback? cos i'd imagine when it comes time to install the unit, youd have to disconnect the battery for wiring/soldering, thus reseting the computer... what happens in terms of maps/settings when the ecu adapts after the initial install and tune? starting to get excited about all this! jalal, whats you opinion of the switchable fuel maps of the GReddy? would there be much difference between the power one and the economy one? in theory it would be great! but i just have no idea if its a complete gimmick or if theres any merit to the idea... also, where is your unit located? cos i read somwhere that the miniceptor isnt weather proof, so where is yours in the cabin? Cam.nondisclosed_email@example.com (hiimkam)Fri, 20 Feb 2009 18:42:29 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2024155,from=rss#post2024155https://baustralianxtrail.runboard.com/p2024155,from=rss#post2024155quote:hiimkam wrote: another tech guy mentioned "we could just hack the factory maps" then the guy i was speaking to said they are untouchable - so he obviously knows these engines. Lucky they corrected themselves with this info, as I would have told you don't even go near them if they think they can hack the factory ECU maps They would have been VERY rich people if they knew how to do it cause no one in the world has managed to do that yet. As for wiring, believe me, it's not an easy process at all and will require quite a lot of attention as they'll be hard wiring to the factory ECU and any mistake there will cause heaps of problems. nondisclosed_email@example.com (jalalski)Fri, 20 Feb 2009 10:46:27 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2024153,from=rss#post2024153https://baustralianxtrail.runboard.com/p2024153,from=rss#post2024153Yeh i mean the guys said they are able to do it just might add a bit of time to wire it up. he mentioned that the only problem is the wiring, but their auto electrictian said its a fairly easy thing. im definatley inspecting this further cos i dont wanna be a gineapig that pays double the price... i told them it was a QR engine and he went away and looked at some little handbook of compatibilities from GReddy, and plus another tech guy mentioned "we could just hack the factory maps" then the guy i was speaking to said they are untouchable - so he obvoisly knows these engines. ill contact GReddy on monday about it and post on here what they said. the haltech's still an option for sure, but im struggling to find a distributor in perth to supply and tune it for me. the search continues...nondisclosed_email@example.com (hiimkam)Fri, 20 Feb 2009 10:31:52 +0000 Re: "Piggy Back" ECUhttps://baustralianxtrail.runboard.com/p2024133,from=rss#post2024133https://baustralianxtrail.runboard.com/p2024133,from=rss#post2024133The e-Manage Ultimate doesn't seem to support the QR25DE engine and there is no interface connection specifications for it. After reading a bit more there isn't even any fuel maps designed by e-Manage for our engine and none of the Sentra guys seem to have used with their Sentra's (QR25DE as well). I'd contact G-Reddy directly and ask for all the data and sepcs in support of the QR25DE engine before committing to it. In my case with the Haltech I knew it was fitted to a turbo charged xtrail before mine, so that's why I wasn't worried about compatibility.nondisclosed_email@example.com (jalalski)Thu, 19 Feb 2009 22:48:16 +0000