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Engine Mapper's Subaru Tuning Guide

Old 01 May 2012, 11:44 PM
  #31  
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V1.1 uploaded
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Old 02 May 2012, 05:48 PM
  #32  
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good consolidation of quality balanced information.
I can see this getting linked in a lot of threads.
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Old 04 May 2012, 11:25 PM
  #33  
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Great Helpfull info cheers, also note my previous scoob vers1 wrx was 380cc injectors and was rolling road at 317 bhp and ran fine for the 2.5 yrs I had it! Slanty inter cooler too!
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Old 23 May 2012, 12:33 AM
  #34  
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I am a beginner and this really helped mate!

Cheers for that
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Old 23 May 2012, 04:23 AM
  #35  
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Whens v1.2 coming out pal?
Thanks
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Old 23 May 2012, 10:19 AM
  #36  
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Thanks!
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Old 09 June 2012, 01:53 PM
  #37  
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ecu ? which ones best. alcatek or ecutec, the car uk 99 turbo200, full decat,dv,and cone filter. plan to fit front intercooler???. prob a vf34 turbo later on.
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Old 10 June 2012, 10:17 AM
  #38  
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I think based on the fact that the MAF is a real weakness on these cars and you are looking to do lots of upgrades, I would pick an Alcatek or new Simtek to fit to run mafless.

Both support features like launch control and anti-lag as well for a bit of fun, plus they are both live mappable, which means every part of the map can be tailored to suite the car in a reasonable time.

Hope this helps,

Graham
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Old 10 June 2012, 01:07 PM
  #39  
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thanks graham for responce!

i think im settled after reading your advice, only worry i have is the turbo TD04 will run out of puff very quick with the front mount intercooler???, will boost still be present? i take it the map will make certain parameter adjustments to compensate for larger core size?. i do plan on a td05 unit or vf series later. thanks again.
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Old 13 June 2012, 10:31 PM
  #40  
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great read really enjoyed that. gutted when got to the end!!! lol give me something to think about!! cheers
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Old 26 June 2012, 01:58 PM
  #41  
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Good read for the Subaru novice or mechanically inept like me :-)
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Old 28 September 2012, 04:57 PM
  #42  
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Thanks graham really helped as im knew to subarus, Thanks again
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Old 09 October 2012, 02:23 AM
  #43  
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Got a gc8 vr5 jdm ej207 rebuilt with a vr7 shortblock aftr a big end bearing failure

Sard fuel regulator
720cc inj
VF35
HKS 3" TBE
FMIC
Blitz Bov
Blitz boost controler

Problem is, all map data was reset frm the apexi powder FC, including the Sard FR! (set to minimal)

As there are no tuner in Brune; we hav a japanese HKS Tuner comes down once a year to provide tuning services, at the mo my rex running at most 50% of its potential, not to mention fuel economy realy terible.

My only fix now is seting temporary inj/ign correction, at least its drivable'ish ane not looking like a diesel with black fumes spewing out of the exhaust . . .

Help!

S.O.S
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Old 09 November 2012, 09:07 PM
  #44  
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Great Guide but the hatch 2.5 wrx runs a IHI VF52 turbo not a td04 that was fitted to the hawk wrx
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Old 09 February 2013, 08:48 PM
  #45  
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Graham, I have a 2.5 wrx hawkeye on a 55 reg. I have just bought a full decat exhaust and going to put a performance panel filter in as well. Will I need to change the fuel pump?. Will be looking at a remap as well. I love my car but had sti's before and want a bit more power but don't want to spend to much money as will probe end up getting the new age sti in a year or so. Thanks
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Old 16 February 2013, 11:33 PM
  #46  
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hi, i have a bmw e46 coupe 2004. i got a m sport front bumper off ebay but its missing the right side bracket that keeps it in pace on the car.i have gone on so many sites to try and buy one. but i cant find one anywere, can anyone help on this?
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Old 17 February 2013, 01:04 AM
  #47  
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Originally Posted by david1410 View Post
hi, i have a bmw e46 coupe 2004. i got a m sport front bumper off ebay but its missing the right side bracket that keeps it in pace on the car.i have gone on so many sites to try and buy one. but i cant find one anywere, can anyone help on this?


Why are you asking for BMW parts on a tuning thread on a Subaru forum? I'm not surprised you ain't found one
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Old 03 March 2013, 10:54 PM
  #48  
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Really helpful information and easily understandable for a virgin like me...Thanks
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Old 14 April 2013, 05:23 PM
  #49  
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I read your not a great fan of the v-pattern, 900cc (re-flowed 440cc), side feed phase 2 injectors.
What phase 2 injectors, would you suggest, in the 400-500bhp region, with a 4 plug mafless esl on a V1 classic?

Last edited by 2pot; 14 April 2013 at 05:25 PM.
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Old 12 May 2013, 06:58 PM
  #50  
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Great information, but one exhaust related question.

I have 2.0 WRX running upgrades fuel pump, injectors, air filter, sti TMIC, #7 spark plugs, AFP TD05 20g, decay up-pipe, Pro drive sports cat and system. Presently mapped to conservative 366bhp by Andy Forest.

I want MOT compliant car (I also drive in Switzerland where you car have car impounded for running decay systems).

Now wanting more power somewhere between 450-500 bhp (yes new gearbox etc will be needed and other supporting mods)

So my questions are..
What is max performance can I get with car with cat fitted?
Which cats have best flow (Miltek etc)?
Has anyone experimented with other cats or seen 400+ bhp cars running with cats?
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Old 30 May 2013, 02:37 AM
  #51  
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Good read.

Wonder how many people will use some bits off there by copy and pasting in forums now. lol

Not sure on the exhaust part but thats me.


Regards
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Old 10 July 2013, 11:19 AM
  #52  
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Hi guys!
First I like this forum read and check when I have time.Sorry but my English is poor.
I bought the 1994 impreza import wrx with v7 jdm engine.I had some cars but this one OMG!!!!!I LOVE IT!!!!!
But the previous owner was young boy who is not spend to the car just subwoofer.
So first was my problem the idle always stoped the engine.No problem I changed the spark plugs and gone the problem.
Next I checked the oil was too much always when I acceleration I smell oil smell.I changed the oil I NOT JOKING was in the engine 6 litre oil!!!!!!!!!!I put in 4,5l and changed oil filter /5W-50 I shoud be ok and HKS oil filter/
Oil OK plugs OK!But I find oil on the engine where is come out???Only come out one side, under the turbo but where????Yesterday night I checked the intercooler pipe and I saw oil in the pipe!!!!/I have front intercooler/
I unfortunetly again need new turbo....
I was very angry but what I could I did bought turbo.....
Start the engine refurb.
My questions I hope you can answer:
I bought td05 20G 8cm° turbocharger
I would like make 400-420HP
What I need to change?
The stock pistons good?And conrods?
I buy cusco coilovers.
I live in Scotland Aberfeldy if live somebody here he know here subaru specialist?
Thank you
Peter
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Old 10 July 2013, 11:30 AM
  #53  
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You have posted in the wrong area fella, your on a tuning thread by here, not really applicable to what questions your asking ( it is but better asking in other parts of the forum )

Use the search bar above and use " " at the start and end of a search term I.E "FORGE ENGINE REBUILD" "WHAT'S NEEDED" etc if you can't find the answers your after then post in the general technical section and I'm sure you will get the answers you seek
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Old 10 July 2013, 09:54 PM
  #54  
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this may be me being a bit stupid or not reading it properly, but is it correct that a 2006 hawkeye only has Cats in the downpipe and centre section ?
would be useful to know for when i plan future mods as i have already removed the centre section cat, so need to know as i would to stay MOT friendly (either with a sports cat or standard) would the standard downpipe cat be that restrictive? as id be looking at 280 or under on a remap
any information would be greatly recieved

regards

Rhys
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Old 22 July 2013, 11:21 PM
  #55  
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any links to the opensource tuning software and/or any articles or threads on how to dive into it? have a tuning background but its with old BMW bosch motronic ECU's. can work wonders with them but i havent even found out what brand the ECU in my 2.5 hawk WRX is lol
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Old 23 July 2013, 09:30 PM
  #56  
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Originally Posted by DmcL View Post
any links to the opensource tuning software and/or any articles or threads on how to dive into it? have a tuning background but its with old BMW bosch motronic ECU's. can work wonders with them but i havent even found out what brand the ECU in my 2.5 hawk WRX is lol
RomRaider is a good start

http://www.romraider.com/Documentation/Documentation

and their forums are very good

http://www.romraider.com/forum/topic1840.html

And here is all production roms to have a play with

http://www.scoobypedia.co.uk/index.p...patibilityList


It's a Denso ECU
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Old 23 July 2013, 10:28 PM
  #57  
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cool, that rom raider looks very much like tunerpro which im used to using on older BMW's. basically a roll your own sort of program using the bin file and a suitable definition. i have made bosch motronic definitions for tunerpro so should pick rom raider and the subaru defs up handy enough less the jump up 20-ish years in tech lol

couple quick questions.. im assuming these ECU's have a functional checksum that needs to be updated after (or during if tuning on the fly is possible) the bin file has been modified. does rom raider automatically update the checksum for the various subaru ECU's or is a 3rd party software (or the OBD cable/software itself) needed for checksum correction?

secondly, is there any particular OBD cable needed or will any cheapo tool suffice such as clone galetto 1260 or MPPS as i have both.
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Old 26 July 2013, 05:12 AM
  #58  
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Romraider does the checksum automatically when flashing, I've never had to do anything clever for checksum, the software takes care of it. Tuning on the fly isn't possible with the open source method which is a shame as that would be very nice.

For full functionality you would need a Tactrix cable, some cheaper cables allow learning view etc to be used but don't work too good for flashing. I don't think the galetto cable will work but give it a go.
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Old 26 July 2013, 08:06 PM
  #59  
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signed up on romraider forum the other night. i have a vagcom cable that the dev says will do for flashing/reading/learning view which is handy. i asked about seeing where the ECU reads and it looks like theres a way but it sounds a little on the complex side but im sure ill sus it out.

given the knowledge on the romraider forum its sort of like me tuning opensource on my old BMW.. there is no point going aftermarket as 99.9% of what you could ever want to do can be done on the stock ECU so looks like ill be mapping my hawkeye WRX myself then.. also noticed the guys on the forum have come up with tweaks to the ECU file which change it from MAF to speed density using the OEM MAP sensor so may do that also as it should be easier tuned and intake mods wont wreak havoc on the tune either.
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Old 17 December 2014, 10:56 AM
  #60  
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I'm a noobie to this site so I might b doing something wrong, tried opening the link for the v1.1 guide and there is nothing there? Anyone help??
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