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Thread: The inaccurately named "Blighter", EJ25+link ECU 01/03/18

  1. #391
    Dirt Tech / Vendor Reuben's Avatar
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    This poor little BC is still hibernating, but plans are afoot once more. Over the last 6 months I've sorta come to terms with the EJ25D... it's not a bad engine, it's just unlucky. I got two dead headgasket examples just sitting in my storage unit (BG9A hydraulic)(same generation as my current 20D), so I figure why not just have a crack at that. You guys might swoon for the EJ20's, but fact is they make less power, and that power is only delivered above 5000rpm (non turbo. Different story for turbo 20's, they rock). 25D's are actually more fun. I've been dailying my 20D converted 250t for almost a year now, and the 20D just is so gutless in the low revs, I just want the sensation of torque back!

    So yeah, all the rebuild kit I bought for the 20D works on my 25, since the are the same generation, and I just bought some EJ25 gaskets, so all is go! Just learned how to do headgaskets myself too, so this is a DIY engine rebuild. Nice.

    If you're wondering what happened to the 2.2 DOHC plans... that's still a future project, for now I just want my daily BC back! Nothing like BC swag!
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  2. #392
    SLi Resident fwa2500's Avatar
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    Dat blighter goodness! Such a lovely wee car, will be good to se it back on the road for more than short little jaunts! Well...as long as it isn't a hill start in the dark with a vintage Aston Martin of all things suddenly appearing behind you...
    '00 Toyota Vitz Clavia - JDM y0.
    '11 BMW 328i Xdrive - Sold. Nov. 2016-Apr. 2018
    '08 Legacy 3.0R Limited - Sold. Mar. 2015-Aug. 2016
    '97 Legacy wagon (BK) TS-R wanna-be - Retired. Oct. 2007-Jan. 2015

  3. #393
    Dirt Tech / Vendor Reuben's Avatar
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    A wild Aston appears! It uses creep-up. It's super effective!
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  4. #394
    Dirt Tech / Vendor Reuben's Avatar
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    So I’m terrible at updating this thread...

    August 2017: having decided once and for all that I was going to take this thing on the racetrack in October, I had set about looking for an EJ25 to slap in. My attempts to get a facelift 175ps solid lifter EJ25D
    failed, so I settled for a running prefacelit 160ps hydraulic EJ25D.

    September 2017: Got the EJ25 out of the donor outback, a farm hack with 300,000km on it. Figured we ought to do the headgaskets on it as a matter of course, which proved a wise idea, because it had chewed out a set of MLS gaskets. So this engines third set went in, and away we went. Did a base tune and got on the road.

    Early October 2017: track day looming, got the road tune a bit more polished, slapped some mags with RE002 potenzas on it, and we were ready for the track!

    Late October 2017: track day a success, car didn’t skip a beat on the 500k road trip there, or on the track. I utterly cooked the 260mm front rotors though. Also got the ECU tune tweaked up by a tuner on the dyno, and managed to get 110hp at the wheels.

    November/December 2017: tracked down some 277mm calipers, chucked new rotors and pads in front and rear, and wow what a difference, the old 260’s were stuffed!! Did the final tweaks on the tune to smooth out the power curve, she runs sweet now! Also found it uses a litre of oil/1000km (1 quart per 600mi!) oh well. Will just have to get on with building a new motor for it! Bring on a facelift 25D!

    2018: daily driving, this thing rocks. EJ25 Lyfe yo, gimme dat torque!
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  5. #395
    SLi Resident fwa2500's Avatar
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    That engine is so well suited for the BC chassis, very impressed with it given how it was previously!
    '00 Toyota Vitz Clavia - JDM y0.
    '11 BMW 328i Xdrive - Sold. Nov. 2016-Apr. 2018
    '08 Legacy 3.0R Limited - Sold. Mar. 2015-Aug. 2016
    '97 Legacy wagon (BK) TS-R wanna-be - Retired. Oct. 2007-Jan. 2015

  6. #396
    Dirt Tech / Vendor Reuben's Avatar
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    Yeah, the 2.5 reallly comes alive in such a light car, the sensation of torque gets a few surprises! Almost has me considering getting another old link ECU for the turd to liven up its lump with a bit more ignition advance.
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  7. #397
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    Small update.


    IMG_2909 by Reuben Horsley, on Flickr

    This thing has been great, frickin love the launches a tuned EJ25 can do, jumps off the line! Sure revving it out feels a bit pointless, but it drives so nicely, and is just fast enough that you’re not bothered. Everyone that takes it for a drive comes back chuffed about it, not disappointed like they do after taking the turd out (WOW context much - I of course mean the green Turd, my ‘200T’).

    The other day I had a mechanic from another shop call me up and say
    “hey, I got some 4-pots here, you want em?”
    I say “sure, how much?”
    “Hundred bucks”
    “Deal”

    So I got some old school Subie 4-pots then! They’re pretty rough, but Blighter is a first gen, very few don’t have rough edges, so that’s ok. It’s a story to be told, not a museum piece! Sadly they had been painted black, but you could see they were originally red ones, so, I won’t be cheating if I sand blast em and re-paint em red. So in the blaster they went, and much to my surprise, the blaster stripped the black paint off the red, and bam, I had red 4-Pots! Hah, excellent! Sure it’s a matte finish now, not gloss... I did try polish the paint back to gloss, but no joy, so it’s kinda funny looking matte red, but hey, original unrestored paint, hahahaha.


    Untitled by Reuben Horsley, on Flickr


    Untitled by Reuben Horsley, on Flickr


    I forgot to get my old 294mm rotors out of storage that I took off the Beast when I did his slotted rotor upgrade, so I threw caution (money) to the wind and picked up some nice TRW slotted 294’s for blighter too. They’re extra heat treated and all that guff, I really enjoy those rotors, they don’t warp under heat like the standard TRW’s can, and the slotted thing is nice when you get a bit excited with the ol brakes and get into fade territory. No race brakes, but I’ve yet to get fade or warpage with em, so what more can you ask for!

    Clamping force is signifigant, I'm glad I've got a large BH5 GT brake booster in this car, it’s meant pedal feel is good - not stellar, but good... they can quite readily lock up the shitty newton tyres I have without too much pedal travel and pressure. It would be nice to have a bit stiffer feel though, I really liked the solid reaction I got with the large booster, on the wee brake calipers... might have to see if I can fit up a turbo 1 1/16th master, instead of the 1” master I have currently, to get some firmness back.

    Anyway, here it is:


    Untitled by Reuben Horsley, on Flickr


    Untitled by Reuben Horsley, on Flickr

    Meanwhile ol Beast has been relegated to the older BBS's... It's classy, sure, but I think the gold BBS's are better on the Beast, and the old BBS's better on the Blighter!


    Untitled by Reuben Horsley, on Flickr
    Last edited by Reuben; 07-05-2018 at 06:59 AM.
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  8. #398
    Dirt Tech / Vendor Reuben's Avatar
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    Updated last post. And today I did some snooping around my mates farm where there are some old busted BF GT's. Two had ABS, two did not. I was looking for a 1-1/16" non ABS master, but turns out, there isn't one! 1-1/16" was for ABS. 1" was for non ABS, and non turbo...

    So gotta do a bit of research and see if a GC RA 4-pot non ABS car had a 1-1/16" non ABS master. If I have no luck, I might get my 1" bored out and a 1-1/16" seal kit put in, to give me the larger style, but for non ABS.

    And bonus footage:
    Last edited by Reuben; 07-05-2018 at 08:58 AM.
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  9. #399
    this thread is awesome.

  10. #400
    Dirt Tech / Vendor Reuben's Avatar
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    Thanks bro. Yeah, I love what this wee low spec we has become. It may be more common in the US to work on non turbos, due to the lack of any real performance models from this era, but here in NZ... Nobody would touch something like this, unless they had a crashed RS to transplant in... makes it all the more special to me, and a fun thumbing of my nose to the performance car elitists that are so pervasive here...

    What’s next on the list for this car... I have a track day in November that I’m taking this car to, I’d like to get some bigger sway bars by then. Doubt I’ll be able to get anything else done... I would consider doing a turbo 2.5 if the opportunity arises in the mean time... (I mention this because the opportunity very nearly did come my way this week...)

    I’d still like to explore a high power port and polished N/A though...
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

  11. #401
    "FNG"
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    Got a hybrid for you if you are interested. It is an evolution based off the EJ22D I ran in my silver BD LSi.

    EJ20D heads (late/clover chamber style).
    EJ251 block.
    EJ257 head gasket (first version/0.5mm thick).

    With bolt-ons, it should make for a lovely riot, especially in a lighter car like the BC chassis. I know my EJ22D BD pulled on two 2.0L WRX's here.

  12. #402
    Dirt Tech / Vendor Reuben's Avatar
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    My starter has been sticking for a few seconds before kicking into life, so I took it off last saturday morning and rebuilt it. Brushes still looked new, replaced the plunger, contacts, and bearings... Bench tested fine. Chucked it in the car, tested fine with 20 out of 20 starts. Mint... Next morning, same issue... So next up is use the trigger wire to trigger a relay, and give the starter a direct feed for the trigger from the battery, that should sort it out proper.

    Then I polished it. Just a one step, better than a no step though!


    IMG_3840 by Reuben Horsley, on Flickr


    IMG_3850 by Reuben Horsley, on Flickr


    IMG_3857 by Reuben Horsley, on Flickr


    IMG_3869 by Reuben Horsley, on Flickr


    IMG_3871 by Reuben Horsley, on Flickr


    IMG_3894 by Reuben Horsley, on Flickr


    IMG_3907 by Reuben Horsley, on Flickr



    Then I promtly got it dirty again, underground carparks are not a BC's natural habitat... Can't keep a dirty ol BC clean for too long!!!


    IMG_4026 by Reuben Horsley, on Flickr
    Single turbo conversion, "How to" can be found here
    JDM 1998 BG Legacy GTB Limited, EJ20K STi swapped
    JDM 1990 BC Legacy Ti type S, EJ25D swapped
    JDM 1995 BG Legacy 250T, EJ20D swapped
    JDM 1989 BC VZ-R - Stock

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