T25 Alternative Engine Forum

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Last post

Petrol Alternative Engines...

Last post by silverbullet « 06 Apr 2024, 16:09
Replies: 10
by HarryMann » 15 Oct 2005, 01:57

Subaru Engine Types and Options

The normally aspirated (NA) flat 4's weigh about the same as a WBX and after installation there's always a cleaner...

10 Replies

49471 Views

Last post by silverbullet
06 Apr 2024, 16:09
Diesel Alternative Engines..... Read before asking questions

Last post by sdelasal « 09 Aug 2008, 22:43
Replies: 18
by admin » 13 Oct 2005, 09:35
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VW are renowned for their diesels and those fitted as standard to the T25 do not do it justice. What can you replace them with to getting better...
18 Replies

79582 Views

Last post by sdelasal
09 Aug 2008, 22:43
Clutch Rattle

Last post by silverbullet « 10 Oct 2024, 14:36
Replies: 3
by BigBlueVan » 01 Oct 2024, 19:25

Hi All,

I have been trying to get my clutch to release on my conversion, ej20 engine, RJES bellhousing and release bearing, VW clutch disc....

3 Replies

161 Views

Last post by silverbullet
10 Oct 2024, 14:36
Alternator/water pump drive belt - adjustment

Last post by Bison535 « 06 Oct 2024, 03:08
Replies: 7
by Bison535 » 04 Oct 2024, 02:27

Hi 80-90 guys
There always seems a need to make adjustment to the tension of my drive vee belt ! Once I hear a squeal I know it needs adjustment...

7 Replies

217 Views

Last post by Bison535
06 Oct 2024, 03:08
Injector Flame Traps

Last post by johnxl « 04 Oct 2024, 22:23
Replies: 6
by johnxl » 03 Sep 2024, 14:09

Where on the injector should a flame trap seat? against the injector body or on the injector nozzle? The reason why I ask is because while checking...

6 Replies

250 Views

Last post by johnxl
04 Oct 2024, 22:23
Can a 1Y inlet manifold be modified to fit

Last post by VwDanT25 « 04 Oct 2024, 19:20

by VwDanT25 » 04 Oct 2024, 19:20

Hi

completed a 1Y swap but using a turbo inlet manifold for the time being, the 1Y inlet mf wont fit due to hitting the bay wall.
has anyone...

0 Replies

63 Views

Last post by VwDanT25
04 Oct 2024, 19:20
turbo hose

Last post by skell « 19 Sep 2024, 22:27
Replies: 1
by morganite » 22 Jul 2024, 16:01

Hi on last leg of aaz conversion, i need a hose to go from jx turbo to aaz inlet manifold, anyone know where to find one? or even better the part no...

1 Replies

147 Views

Last post by skell
19 Sep 2024, 22:27
aaz pump repair

Last post by skell « 19 Sep 2024, 22:22
Replies: 1
by morganite » 12 May 2024, 18:51

Hi can anyone recommend a reasonable diesel injection pump engineering shop, to test and maybe repair, my 0460494346 injection pump to go on my AAZ...

1 Replies

241 Views

Last post by skell
19 Sep 2024, 22:22
Clutch problems

Last post by Aidan « 19 Sep 2024, 18:29
Replies: 3
by Nelpy » 17 Sep 2024, 21:04

Hi

I’ve been having clutch problems for a while now - pedal going hard then soft, pedal moving up and down against my foot, clutch slipping,...

3 Replies

130 Views

Last post by Aidan
19 Sep 2024, 18:29
Identifying engine

Last post by therealchrisgray « 17 Sep 2024, 10:49
Replies: 9
by therealchrisgray » 07 Sep 2024, 11:09

Hi all, my google skills are obviously not up to this but thankfully this forum is full of knowledgable people...

My old van had an engine...

9 Replies

308 Views

Last post by therealchrisgray
17 Sep 2024, 10:49
EJ Subaru Engine - Fuel Breather Line

Last post by BigBlueVan « 14 Sep 2024, 20:14
Replies: 3
by BigBlueVan » 13 Sep 2024, 05:36

Hi All,

What have others done with the fuel breather line on their Subaru conversions?
The EJ engine has fuel feed, return and breather...

3 Replies

110 Views

Last post by BigBlueVan
14 Sep 2024, 20:14
EJ Subaru Engine, vacuum non return valve

Last post by slowcoach « 08 Sep 2024, 22:07
Replies: 3
by BigBlueVan » 08 Sep 2024, 14:01

Hi All,

Original van engine 1.9dg had a one way valve on the vacuum line at the engine.
The Subaru EJ engine removed from donor vehicle did not have...

3 Replies

139 Views

Last post by slowcoach
08 Sep 2024, 22:07
N108 valve 1.9TDI MK3

Last post by Aidan « 07 Sep 2024, 16:03
Replies: 2
by Iwallace » 07 Sep 2024, 09:00

Hi all.

My n108 valve on my mk3 1998 1.9TDI engine has been playing up for months now.
Has been repaired once but the wires keep coming loose with...

2 Replies

93 Views

Last post by Aidan
07 Sep 2024, 16:03
Diesel leaking from pump?

Last post by ZsZ « 07 Sep 2024, 14:33
Replies: 5
by Jezzerisin » 04 Sep 2024, 19:51

Having recently posted about my electric problems..
Things got worse!
Driving on a Spanish motorway, the throttle stuck open, full speed!!
Couldn't...

5 Replies

155 Views

Last post by ZsZ
07 Sep 2024, 14:33
Oil buzzer at end of long drive

Last post by Middle29 « 04 Sep 2024, 15:19
Replies: 7
by Middle29 » 02 Sep 2024, 11:33

Hi all,

Drove back from Devon yesterday 255 miles. The buzzer went off pulling into the services, sharp left turn decelerating about half way back....

7 Replies

288 Views

Last post by Middle29
04 Sep 2024, 15:19
The T3200E thread

Last post by silverbullet « 01 Sep 2024, 18:15
Replies: 460
by silverbullet » 12 Aug 2018, 16:03
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Aka an Oettinger wbx-6 3.2 that found me by chance and collected on the way to T3Busmeet. I wasnt even looking for one! So many details that you've...
460 Replies

877809 Views

Last post by silverbullet
01 Sep 2024, 18:15
WBX combustion chamber cc checks

Last post by silverbullet « 01 Sep 2024, 15:08
Replies: 22
by silverbullet » 18 Feb 2016, 20:59
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I have been meaning to do these measurements for a while as part of doing some static compression ratio calcs, finally got around to it and they...
22 Replies

14163 Views

Last post by silverbullet
01 Sep 2024, 15:08
aaz which alternator

Last post by morganite « 19 Aug 2024, 17:49

by morganite » 19 Aug 2024, 17:49

Hi just finished my type 25 AAZ conversion, with the aaz crank and serpentine pulley,i want to fit an alternator with a clutched pulley to eliminate...

0 Replies

102 Views

Last post by morganite
19 Aug 2024, 17:49
AAZ Water pump belt JX

Last post by Stesaw « 19 Aug 2024, 13:04
Replies: 10
by Stesaw » 13 Aug 2024, 00:15

Ok so, got a chap with an AAZ engine build thats had everything off a 1.6 TD put on it.. his old 1.6 engine as far as i know was out of a passat...

10 Replies

330 Views

Last post by Stesaw
19 Aug 2024, 13:04
Engine

Last post by futureW « 14 Aug 2024, 00:43

by futureW » 14 Aug 2024, 00:43

Hello! I have a problem with the starting motor on a JX to AAZ engine conversion.
JX flywheel, JX Starting motor, AAZ engine.
When I tighten the two...

0 Replies

126 Views

Last post by futureW
14 Aug 2024, 00:43
Which engine?

Last post by Aidan « 09 Aug 2024, 17:56
Replies: 5
by Noclue » 07 Aug 2024, 11:22

Hi everyone.

I have a T25 High Top 1985 1.6TD, left hand drive van. I am looking at replacing the existing engine as i have been told by my mechanic...

5 Replies

346 Views

Last post by Aidan
09 Aug 2024, 17:56
ECU set up and Subaru select monitor 1 Bristol

Last post by mariner « 09 Aug 2024, 15:24
Replies: 2
by mariner » 07 Aug 2024, 16:47

This is my ecu set up in my van.

I’m trying to work out how to use it! The image in the instructions I have show the OBD socket (yellow), two...

2 Replies

186 Views

Last post by mariner
09 Aug 2024, 15:24
EJ20- stalling at junctions ??

Last post by mariner « 31 Jul 2024, 20:58
Replies: 10
by matt brighton » 26 Oct 2018, 08:59

Hi

Apparently a common niggle mentioned on subary forums -

throwing up the no 24 fault code - open circuit/bad IACV (idle air control valve)...

10 Replies

3102 Views

Last post by mariner
31 Jul 2024, 20:58
Stuck on a campsite with no engine start

Last post by mariner « 31 Jul 2024, 15:07
Replies: 8
by mariner » 29 Jul 2024, 11:45

Hi all. We’ve found ourselves stuck on a campsite with a van that won’t start.

Drove a 100 miles here no probs having just had oil + filter change...

8 Replies

352 Views

Last post by mariner
31 Jul 2024, 15:07
1.9AAZ OR MK5 TDi?

Last post by ZsZ « 30 Jul 2024, 11:40
Replies: 2
by Sco77w » 29 Jul 2024, 17:44

Looking for a bit of advice.
I have an “84 T25 that started life as a petrol powered van but I took it on as an unfinished project. As many projects...

2 Replies

139 Views

Last post by ZsZ
30 Jul 2024, 11:40
Air filter on aaz conversion

Last post by lefty67 « 21 Jul 2024, 14:00
Replies: 4
by morganite » 20 Jul 2024, 15:55

Hi, on the last leg of my aaz conversion from jx 1.6, trying to mount the original jx cylinder air filter the brickwerks way,but it sits on top of...

4 Replies

176 Views

Last post by lefty67
21 Jul 2024, 14:00
1988 diesel transporter looking for a new engine.

Last post by justinjgreenaway « 19 Jul 2024, 06:03
Replies: 2
by justinjgreenaway » 18 Jul 2024, 21:11

Hi Guys.

Anyone know if the diesel Subaru Impreza GR GH 2.0 D AWD Diesel EE20 EE20Z 150 PS is the correct engine to drop into t25 1988?

Trying to...

2 Replies

151 Views

Last post by justinjgreenaway
19 Jul 2024, 06:03
Recommendations and request for JX replacement

Last post by Rich Mc « 11 Jul 2024, 08:30

by Rich Mc » 11 Jul 2024, 08:30

Hi all,

my 1.6td JX engine has head gasket issues and I've been recommended to have the engine replaced.
I tinker but this kind of work is beyond...

0 Replies

143 Views

Last post by Rich Mc
11 Jul 2024, 08:30
Gearbox help

Last post by silverbullet « 09 Jul 2024, 21:32
Replies: 2
by Pedrobus » 08 Jul 2024, 14:26

Hi guys n gals .

I've got a gti lump in my t 25.
Seems like I need a new gearbox as the old 5 speed is worn and whinning in 1st and 2nd.

Which...

2 Replies

194 Views

Last post by silverbullet
09 Jul 2024, 21:32
AAZ turbo clearance + vgt?

Last post by silverbullet « 26 Jun 2024, 16:58
Replies: 8
by chalkywoods » 08 Jun 2024, 09:49

The custom engine mount bracket on my AAZ fitted by previous owner is looking worse for wear so I was planning on fitting an original JX...

8 Replies

400 Views

Last post by silverbullet
26 Jun 2024, 16:58
Automatic gearbox to Manual gearbox swap Flipped Audi box

Last post by Dueller « 24 Jun 2024, 20:08
Replies: 10
by Dueller » 27 May 2024, 19:30

...and here we go again

Time for another thread on my next evolution here, swapping out the porsche auto from my caravelle and fitting a flipped...

10 Replies

526 Views

Last post by Dueller
24 Jun 2024, 20:08
Replacement intake/throttle seal

Last post by Nelpy « 24 Jun 2024, 19:55
Replies: 2
by Nelpy » 24 Jun 2024, 18:37

One for the Subaru people

I'm looking for a new seal for where the air intake attaches to the throttle body as pictured. It is a 2001 Legacy H6...

2 Replies

125 Views

Last post by Nelpy
24 Jun 2024, 19:55
Engine swap 1.9 polo Tdi

Last post by Robsey « 16 Jun 2024, 10:33
Replies: 2
by HMac » 16 Jun 2024, 09:35

Hello fellow rust bucket enthusiasts

I’m currently undergoing a T25 restoration and have now moved onto the engine stage
I have a 2006 Volkswagen...

2 Replies

198 Views

Last post by Robsey
16 Jun 2024, 10:33
Alternative Subaru

Last post by silverbullet « 31 May 2024, 18:26
Replies: 1
by Cecil » 31 May 2024, 14:16

1 Replies

275 Views

Last post by silverbullet
31 May 2024, 18:26
JX exhaust on AFN turbo

Last post by Oren Kipnis « 29 May 2024, 21:47
Replies: 2
by Oren Kipnis » 21 May 2024, 18:49

I found a complete new late model stainless steel JX exhaust for an excellent price, and would like to fit it to my AFN Syncro.

Any one has any idea...

2 Replies

283 Views

Last post by Oren Kipnis
29 May 2024, 21:47
Subaru ez30d h6, 4eat auto gearbox in a coachbuild

Last post by jamiegolf « 26 May 2024, 08:38
Replies: 58
by jamiegolf » 15 Oct 2023, 08:48
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Hey all,
After running around for a year with the ej20 and aap box (that’s been absolutely perfect btw!!) I feel it just needs. Little more oomph!!...
58 Replies

165887 Views

Last post by jamiegolf
26 May 2024, 08:38
What year Subaru to go for?

Last post by ajsimmo « 25 May 2024, 08:18
Replies: 9
by retro_car_man » 08 Mar 2022, 22:11

Hey guys, looking to do a 2ltr Subaru swap in my 83 DG engined bus. What year of donor car should I be looking at?

9 Replies

1472 Views

Last post by ajsimmo
25 May 2024, 08:18
AFN fault codes

Last post by davidoft1 « 24 May 2024, 09:28
Replies: 1
by Gabe79 » 23 May 2024, 21:31

Hi everybody,

I’ve got problems with my AFN TDI conversion.
Any help would be much appreciated

Got codes the following codes

01262 solenoid...

1 Replies

199 Views

Last post by davidoft1
24 May 2024, 09:28
diagnostics cable for tdi's

Last post by ZsZ « 11 May 2024, 20:10
Replies: 4
by t25adict » 28 Apr 2024, 11:29

what cable and software are people using with tdi conversions. I can see lots of cables on eBay etc, some with a CD.

its also possible to find lots...

4 Replies

792 Views

Last post by ZsZ
11 May 2024, 20:10
AAZ injector refresh

Last post by chalkywoods « 02 May 2024, 11:41
Replies: 2
by chalkywoods » 29 Jan 2024, 18:03

I've been trying to get my AAZ running and starting a bit smoother and since 3/4 of my injectors had green waxy gunk seeping out I thought I'd pop...

2 Replies

737 Views

Last post by chalkywoods
02 May 2024, 11:41
New overheating problem (diesel) on road trip

Last post by therealchrisgray « 18 Apr 2024, 09:53
Replies: 11
by therealchrisgray » 16 Apr 2024, 12:22

I hope someone can help, I'm on a long journey and have hit a snag.

I just packed up and hit the road out of the town where I spent the night, and...

11 Replies

981 Views

Last post by therealchrisgray
18 Apr 2024, 09:53
AFN Dual mass flywheel ? can i use it ?

Last post by 16vmini « 15 Apr 2024, 09:44
Replies: 38
by 16vmini » 23 Jul 2012, 12:26
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ok .. planning on fitting my AFN sharan motor this weekend .. but just found out i have a dual mass flywheel ...

can i carry on and use that for now...
38 Replies

17526 Views

Last post by 16vmini
15 Apr 2024, 09:44
Diesel leak under pressure

Last post by clift_d « 09 Apr 2024, 11:23
Replies: 15
by therealchrisgray » 07 Apr 2024, 19:16
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1.9 diesel, non-turbo, of unknown origin, fitted decades ago, van was originally petrol.

No pool of liquid under the van when I got in it, but I...
15 Replies

1240 Views

Last post by clift_d
09 Apr 2024, 11:23
Golf Mk4 "APK" engine conversion

Last post by silverbullet « 25 Mar 2024, 19:33
Replies: 39
by silverbullet » 19 Jan 2020, 19:14
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There's a little collective group of us looking at using the so-called Gen V inline crossflow engines as a successor to the AGG, as supplies dry up....
39 Replies

14838 Views

Last post by silverbullet
25 Mar 2024, 19:33
aaz front pulley problems

Last post by ajsimmo « 23 Mar 2024, 22:51
Replies: 7
by morganite » 04 Jan 2024, 16:03

Hi all you knowledgable people my name is Pete and this is my first post. Doing a JX to AAZ conversion and i’m worried about the front pulley coming...

7 Replies

31380 Views

Last post by ajsimmo
23 Mar 2024, 22:51
petrol to diesel engine swop

Last post by Dueller « 23 Mar 2024, 08:16
Replies: 2
by morganite » 20 Mar 2024, 14:15

Thinking about swopping the cream- crackered 1.9 wbx petrol engine for a diesel aaz engine, what is involved exactly ? is it just fit diesel...

2 Replies

881 Views

Last post by Dueller
23 Mar 2024, 08:16
Porsche Automatic Gearbox Conversion into my Caravelle

Last post by bat « 19 Mar 2024, 22:24
Replies: 44
by Dueller » 24 Oct 2023, 19:23
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Hi again everyone

My last project of fitting the Ford Mondeo st220 into my Caravelle thread was a real good story board so thought id start another...
44 Replies

15757 Views

Last post by bat
19 Mar 2024, 22:24
Newly purchase T25 - Subaru 2.5 in it - Engine Temp question

Last post by slowcoach « 19 Mar 2024, 08:47
Replies: 9
by symbol_soup » 16 Mar 2024, 23:20

Hi all,

I recently bought a well looked after1986 Reg T25 that had a Subaru conversion done in 2014 with a pre 2003 Legacy engine. It's done 5k...

9 Replies

1002 Views

Last post by slowcoach
19 Mar 2024, 08:47
1.9tdi AHU not starting unless boost control valve unplugged

Last post by Iwallace « 14 Mar 2024, 20:51
Replies: 5
by Iwallace » 07 Feb 2024, 19:40

Howdy,

At a bit of a loss so thought I’d come to the well of knowledge.
Tried starting up ready to drive to my MOT and no joy.
Well, it cranks and...

5 Replies

935 Views

Last post by Iwallace
14 Mar 2024, 20:51
EJ25 Speed Sensor

Last post by totorro « 09 Mar 2024, 17:46
Replies: 3
by totorro » 01 Mar 2024, 19:36

Hello, I have questions around speed sensors and EJ25 ECUs, does anyone have any experience?

A bit of background - my van has a EJ25 conversion...

3 Replies

697 Views

Last post by totorro
09 Mar 2024, 17:46

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