ken1436215443 Posted January 20, 2019 Report Share Posted January 20, 2019 Hi all I have always used the g4 extreme software and i love it. I recently picked up a G3 plus for real cheap. I was wondering if I upgrade to the g4 firmware will my software and home page layout will look the same as the g4 extreme homepage? And will I be able to use the G4 maps? Quote Link to comment Share on other sites More sharing options...
Simon Posted January 20, 2019 Report Share Posted January 20, 2019 Yes once upgraded you will use the same G4 tuning software. So you can retain your layouts. The Maps can then also be use you will just have to make sure the IO configuration matches. Quote Link to comment Share on other sites More sharing options...
ken1436215443 Posted January 21, 2019 Author Report Share Posted January 21, 2019 Sound great! Where can i get more details on how to update the software? Quote Link to comment Share on other sites More sharing options...
Adamw Posted January 21, 2019 Report Share Posted January 21, 2019 The G3-G4 firmware upgarde is a "paid for" option. Basically you order the upgrade through a dealer, give them your ECU serial number and they will get an upgrade code from us. You then use the G4 software and do a firmware update as normal, it will require you to enter the upgrade code at the beginning of the process. The upgrade cost is about NZD$200 at this time. Quote Link to comment Share on other sites More sharing options...
ken1436215443 Posted March 21, 2019 Author Report Share Posted March 21, 2019 Will i be able to run low impedance injectors with the g4 upgrade? Also any recommendations of who i should deal with regarding the upgrade? Quote Link to comment Share on other sites More sharing options...
Simon Posted March 22, 2019 Report Share Posted March 22, 2019 You can but will have to run a ballast you will not gain any peak and hold settings as the hardware is not suitable to support it on the G3s. Quote Link to comment Share on other sites More sharing options...
ken1436215443 Posted March 25, 2019 Author Report Share Posted March 25, 2019 Hi in the link G3 ecu pinout there are two input for load 1 and load 3 where is load 2 ? are these the same as An volt in g4? Im using my existing g4 map with a g3 ecu upgrade Quote Link to comment Share on other sites More sharing options...
Adamw Posted March 25, 2019 Report Share Posted March 25, 2019 I will get @Simon to confirm tomorrow as I have never done a G3 plus, only the smaller G3. I suspect there is no "load 2", it was probably reserved for special plug-in applications. Once upgraded the G3 dedicated load inputs become freely assignable analog inputs in the G4. So the G3 analog inputs get "offset" by two. Something like this: Quote Link to comment Share on other sites More sharing options...
Simon Posted March 27, 2019 Report Share Posted March 27, 2019 On the Plus there are 3 load inputs which then become AN Volt 1-3 on G4 firmware. Volt 1 becomes Volt 4 after upgrade The Load 2 is between Di5 and Trig 1 Quote Link to comment Share on other sites More sharing options...
ken1436215443 Posted April 17, 2019 Author Report Share Posted April 17, 2019 So I have completed my g3 plus to g4 firmware upgrade. Two things I notice are my sync timing is off 37* and I have to dump 20% more fuel to be in the same afr as my g4 ecu. Nothing has change for the engine and base map. Is that normal? Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 17, 2019 Report Share Posted April 17, 2019 No that doesnt sound normal. Usually they work out pretty similar. Can you attach both the G3 and G4 maps so I can take a look. Quote Link to comment Share on other sites More sharing options...
ken1436215443 Posted April 19, 2019 Author Report Share Posted April 19, 2019 The car was originally tuned with a g4 ecu then it got stolen from me. I had a g3 laying around so I decided to wire that in. Then I upgrade the g3 firmware then load my original g4 map in it. Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 19, 2019 Report Share Posted April 19, 2019 So there should be no difference in that case if you are comparing a G4 to a G3 with G4 firmware running the same map. All the important hardware is the same between the G3 & G4. Quote Link to comment Share on other sites More sharing options...
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