squid372 Posted March 22, 2017 Share Posted March 22, 2017 So the time has come to take an expensive plunge. What ECU plugs and plays into the GT-b 07 legacy. The OEM ECU is at its iimit Link to comment Share on other sites More sharing options...
utc_pyro Posted March 22, 2017 Share Posted March 22, 2017 The OEM ECU is at its limit Unless you're doing something really crazy (twincharging, H6 twin turbo swap, WRC style antilag, ect) I seriously doubt that. Based on your post history it looks like you're running a pretty big rotated twinscroll setup. Worst case you'd need to MerpMod your ECU to run speed density, but your ECU is already on the supported list for that. Sounds like you need a new tuner. Link to comment Share on other sites More sharing options...
squid372 Posted March 23, 2017 Author Share Posted March 23, 2017 So the merpMod does not work. We have tried. Unless there is a tuner that can get the ROM working for me i would appreciate it. I have used 3 tuners already look at the vehicle. Link to comment Share on other sites More sharing options...
Th3Franz Posted March 24, 2017 Share Posted March 24, 2017 What's your ROM ID #? Not familiar with what you get over there. -Franz The end of a Legacy http://www.youtube.com/th3franz Link to comment Share on other sites More sharing options...
fahr_side Posted March 24, 2017 Share Posted March 24, 2017 MerpMod is not very stable. Mine was one of the earlier ECUs 'supported' and even simple features like FFS didn't work correctly then and still don't now. I love Merrill, he's a very smart guy, but he's not the best at getting projects finished. I feel for you OP, as Cobb is probably the best solution right now for SD on the stock 32bit ECU, but they only support USDM cars of that generation. I don't know of any plug and play solutions for you that can communicate with CANbus. Syvecs do a plugnplay harness for the '08~ STi that comes with a CANbus interface module that handles HVAC, VDC, ABS etc. Perhaps you can contact your Syvecs dealer to see if they will adapt an S6 or S6+ to your Spec B. If you have access to a packet sniffer it will speed things up with the CANbus interface. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
Andy_Mac Posted March 24, 2017 Share Posted March 24, 2017 Can just go for a fairly basic aftermarket ECU and keep the OEM one aswell for canbus stuff. Working through that process for mine now. Certainly not a simple task as you need to make a seperate loom to cut inbetween the OEM loom and the OEM ECU with some inputs/outputs going to both and some going to one or the other. 2000 Legacy B4 RSK - SOLD 2006 Legacy BP5 GT Spec B wagon - Garage Thread 2011 VW T5 van 2.0L of turbo diesel awesomeness Link to comment Share on other sites More sharing options...
squid372 Posted March 29, 2017 Author Share Posted March 29, 2017 Merp Mod = Bricked ECU -_- Syvec's gave me a straight NO Don't want to run 2 x ECU's as this is a big pain in the butt to handle Link to comment Share on other sites More sharing options...
fahr_side Posted March 30, 2017 Share Posted March 30, 2017 Could you post your ECU CALID? I'd look into whether or not you could use a USDM ROM and then tune in SD via Cobb AP. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
fahr_side Posted April 5, 2017 Share Posted April 5, 2017 Syvec's gave me a straight NO Ask LINK. They have a G4+ model that does CANbus integration on WRX models. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
cBax Posted April 5, 2017 Share Posted April 5, 2017 post your CAL ID '05 Outback XT www.facebook.com/baxleysspeedshop www.baxleysspeedshop.com Link to comment Share on other sites More sharing options...
Andy_Mac Posted April 6, 2017 Share Posted April 6, 2017 Or Haltech, since they managed to get it fully working in a 4th gen for MCM. I'm doing a G4+ in mine. Was told I could get it running as a standalone but the packet sniffing for CANBus was going to cost an absolute crap load so not bothering with that route. 2000 Legacy B4 RSK - SOLD 2006 Legacy BP5 GT Spec B wagon - Garage Thread 2011 VW T5 van 2.0L of turbo diesel awesomeness Link to comment Share on other sites More sharing options...
fahr_side Posted April 6, 2017 Share Posted April 6, 2017 Or Haltech, since they managed to get it fully working in a 4th gen for MCM. Only if using a race dash meets your criteria for 'fully working '. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted April 7, 2017 Share Posted April 7, 2017 mmmh. I thought they were able to get the speed and rpm working on the stock cluster. But I recall seeing the coolant and/or fuel gauges pegged to the max values. Link to comment Share on other sites More sharing options...
fahr_side Posted April 8, 2017 Share Posted April 8, 2017 mmmh. I thought they were able to get the speed and rpm working on the stock cluster. But I recall seeing the coolant and/or fuel gauges pegged to the max values. No, they used a race dash, though they didn't really highlight that part of the build. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted April 8, 2017 Share Posted April 8, 2017 Check out this video at the 10-11 second mark. [ame=http://www.youtube.com/watch?v=HEWAx7hjyN4]MCM Update in Super Gramps | May 2015 - YouTube[/ame] Actually, even the screenshot provided by youtube shows it right there. Interesting. Link to comment Share on other sites More sharing options...
fahr_side Posted April 8, 2017 Share Posted April 8, 2017 Ah, interesting. Maybe the race dash was in the 3rd gen wagon they started with and in the 4th gen they were able or willing to integrate? I definitely saw a race dash in the car in at least one episode. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
Andy_Mac Posted April 8, 2017 Share Posted April 8, 2017 Thats what i was meaning. When they first finished the episodes bugger all worked as they hadn't done the canbus decoding and everything was on the racedash where the cubby usually sits. But they did that update where they'd decoded what seemed like all of it 2000 Legacy B4 RSK - SOLD 2006 Legacy BP5 GT Spec B wagon - Garage Thread 2011 VW T5 van 2.0L of turbo diesel awesomeness Link to comment Share on other sites More sharing options...
xt2005bonbon Posted April 8, 2017 Share Posted April 8, 2017 Why don't you contact the MCM guys or their tuning friend directly? I am sure they'd be happy to explain how they did it. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted April 8, 2017 Share Posted April 8, 2017 Ah, interesting. Maybe the race dash was in the 3rd gen wagon they started with and in the 4th gen they were able or willing to integrate? I definitely saw a race dash in the car in at least one episode. Yeah. I think that race dash was with the original 'gramps' car. Link to comment Share on other sites More sharing options...
Andy_Mac Posted April 8, 2017 Share Posted April 8, 2017 http://i1149.photobucket.com/albums/o594/andy_mac1/86B07B38-8839-436D-A1E5-98E72C022744_zpshnb5vqwc.jpg 2000 Legacy B4 RSK - SOLD 2006 Legacy BP5 GT Spec B wagon - Garage Thread 2011 VW T5 van 2.0L of turbo diesel awesomeness Link to comment Share on other sites More sharing options...
xt2005bonbon Posted April 8, 2017 Share Posted April 8, 2017 Oh. They did put it in the 4th gen then. But look at the coolant gauge. It is pegged to hot. I can also see the 'ErHc' message showing up on the screen of the trip odometer. But it looks like they got almost everything else working on the oem cluster. Link to comment Share on other sites More sharing options...
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