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MKVI GTI ECU Upgrade...Which is Best?

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  • #46
    Originally posted by coreying View Post
    Having said that, you're spending $40k+ on a car which many would argue already gives you more power than you need! You could've saved $20k and bought a Hyundai
    An additional $2k is nothing when looked at the overall purchase of the car - it's probably only 3.6% to 5% of the cost of the car (depending on the options you got). Compare this to the fact that it increases power by 22% and torque by 44% - it's awesome value!

    BUT... although I doubt the quality of a holiday which only costs $2k, I'd be tempted to take elisiX's advice if that $2k meant the difference between being able to take a holiday or not...
    I agree, it is a small amount to pay considering the power and the value of the car, but am i really going to get to use it to its full potential to justify paying that much for it... We will see... and if/when i do APR is at the top of the list.

    And the holiday is definitely happening regardless, 5 week in South America (If it has not be natural disastrous away to nothing!) in august, $2k got me the flights
    Life is a journey... enjoy the ride!
    Golf GTI MKVI aka Jane

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    • #47
      Originally posted by Guy_H View Post
      Anyway HereGoes, since you are in Toowong, pop over & visit us & have a chat! We can show you all the ins & outs of the MKVI!
      Thanks mate i will, just not too soon though because i know as soon as i actually drive with it i am going to want it!
      Life is a journey... enjoy the ride!
      Golf GTI MKVI aka Jane

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      • #48
        Originally posted by HereGoes View Post
        I agree, it is a small amount to pay considering the power and the value of the car, but am i really going to get to use it to its full potential to justify paying that much for it...
        I think you will. It's not a situation where the additional 34 kw is only available beyond the revs of the stock 155kw etc - the additional power and torque is there ALL through the rev range. So it's always there. So you can use it all the time.... driving along in 6th gear at 60kph and need accelerate up to 80kph to overtake another car but can't be bothered changing gears - it's just so much easier with the ECU as you've got 44% more torque. I think it's really the torque which makes all the difference.

        Anyway - as Guy has offered, go up and check it out when you're back from holidays. As you're last post says, I'm pretty sure the only regret you'll have when you finally take the jump, is that it took you so long to take the jump

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        • #49
          Originally posted by logger View Post
          As far as I can see the DSG controller does not log torque...
          Slightly OT: does anyone know whether the use of launch control is logged at all?

          I'm not about to use it when I get my GTI (I'm a mechanical sympathist and suspect it puts too much load on the clutch pack, gearbox, driveline etc), but I am interested nonetheless.
          2008 MkV Volkswagen Golf R32 DSG
          2005 MkV Volkswagen Golf 2.0 FSI Auto
          Sold: 2015 8V Audi S3 Sedan Manual
          Sold: 2010 MkVI Volkswagen Golf GTI DSG

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          • #50
            I think that for anyone looking into a flash ECU upgrade, unless you ONLY drive in metro locations, it is a MUST to get an ECU upgrade which allows switching back to stock.

            The Polo GTI and Golf GTI (MK6) allows the car to be run on 95 octane. Even the MK5 GTI you could get away with 95 octane if you really had to.

            Why would you want to run 95 octane? Well, you wouldn't. But if, like me, you sometimes drive from one state to another, or have to visit a country town, sometimes you simply cannot get 98 octane fuel. If you have an ECU tune which doesn't allow switching, well ping baby ping.

            So far I'd only seen people mention that the ability to switch back to stock is useful for servicing of the car. But I've unfortunately been in the situation where I've had to use it due to the available fuel - yet I've not seen anyone else mention that yet, so I thought I should let ya'all know

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            • #51
              Most tuning companies offer tunes that are compatible with 95. That really shouldnt be a problem unless the tune is super aggressive or the fuel is of very poor quality.

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              • #52
                I have run 95 in my S3 and the Custom-Code is written for 98. It doesn't go half as well but there's no damage done. I drove for 4-500ks on that tank.

                If you have to use some 95 because there's no 98 available, don't fill the tank right up unless you know there's no 98 on the horizon. It will take longer to get back to undiluted 98.

                Something would have to be pretty bad for you to hear pinking.

                Gavin
                optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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                • #53
                  If the tune is optimised for 98 octane though - wouldn't it have difficulties on running on 95?

                  Unless they're optimised for running on 95 which means you're giving up some of the potential power if you're using 98.

                  I know that APR has tunes which are optimised for 91/95/98 and 104 - and you can then switch between them, within a minute using the cruise control selector.

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                  • #54
                    Originally posted by coreying View Post
                    If the tune is optimised for 98 octane though - wouldn't it have difficulties on running on 95?
                    It should just retard the timing to suit as if it was a bad batch of fuel - the engine will do this automatically without any tune, so I can't see how a tune would make any difference to that functionality?

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                    • #55
                      I'm not sure - cause I'm not a mechanic and I make no claims to understand what the ECU is doing or is capable of.

                      In my Polo GTI (which we all know has a 15 year old Audi 1.8T motor), when I had to put 95 in that, it was not happy. It'd even sound as though it was going to stall at idle when initially turned on. Changing back to stock was ok.

                      My friend has a Nissan Skyline R33 Series II GTS-T (whatever they called the turbo non-awd model). He's had a fair amount of upgrades and the engine has been custom mapped whilst on 98 octane fuel. He had to put a few litres of 95 in there due to the local stations being out of 98 a few months ago - the engine was pinging like crazy any time he put even a moderate amount of power down.

                      So yeah - I don't claim to know the whys or hows - I'm just sharing my observations of these cases.

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                      • #56
                        ECU is able to retard timing / other settings to deal with 95 petrol. Can't speak for the Skyline, other than to say its a completely different car, manufacturer and design.

                        Personally, if you get 95 and have the APR, switch the map back to stock until you can get 98 in it again.

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                        • #57
                          Originally posted by noone View Post
                          Personally, if you get 95 and have the APR, switch the map back to stock until you can get 98 in it again.
                          And really, that's all I was trying to say. If you have an ECU flash which is optimised for the highest quality fuel we have (9 and you're unable to use it, at least APR offers the ability to change back to stock. Not all ECU suppliers offer this feature.

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                          • #58
                            All tunes have same outcome with different needs more Nm or HP and where in the range over the RPM. Revo/ APR. etc etc.Same with different peak output thank you for the choice as the this market is huge.

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                            • #59
                              Originally posted by coreying View Post
                              And really, that's all I was trying to say. If you have an ECU flash which is optimised for the highest quality fuel we have (9 and you're unable to use it, at least APR offers the ability to change back to stock. Not all ECU suppliers offer this feature.
                              Actually, most do. I had a REVO on my previous Polo GTI, with a select switch, which gave me 91, 95, 98 and 104 plus valet and anti-theft.

                              Currently I have GIAC with Flashloader, which gives stock plus a 98 optimised program.

                              I also trialled the Bluefin, which also allows switching between the stock program and enhanced tune.

                              I don't know about Custom-Code or Unitronic -- someone care to comment?

                              I would simply add that if you are looking at ECU tunes, there's quite a variety available in Australia, and the three above, including switches, are very price competitive although the dealer support will vary with location -- APR certainly has the edge there.
                              Last edited by Timbo; 03-03-2010, 02:46 PM.
                              2015 White German SUV
                              2013 White German hatch
                              2011 Silver French hot hatch
                              2008 TR Golf GT TDI DSG

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                              • #60
                                I would assume that a good tune is capable of retarding the ignition (to a point) when it detects knock, irrespective of what RON rating it's been optimised for. After all, that's exactly what the stock ECU map manages. I suppose the question is how well an aftermarket tune has been programmed to detect and deal with knock, and this may well vary from tune to tune. And maybe tuners like APR give you the ability to preselect a tune that's optimised for a certain fuel because they (and you) would rather it not get to the point where the car needs to detect knock before it switches to an alternate map.

                                We know the stock setup is good for 95 RON because VW have advertised the car can handle it, but I wouldn't be surprised if the tune can detect higher RON fuel and advance the timing to give you better power and economy in such cases. In other words - it may well not run the same timing for 95 and 98 RON.

                                Feel free to correct me if I'm wrong here... Guy, feel free to pipe up?
                                Last edited by AdamD; 03-03-2010, 02:23 PM.
                                2008 MkV Volkswagen Golf R32 DSG
                                2005 MkV Volkswagen Golf 2.0 FSI Auto
                                Sold: 2015 8V Audi S3 Sedan Manual
                                Sold: 2010 MkVI Volkswagen Golf GTI DSG

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