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martyrg
Samba Member
Joined: February 29, 2004
Posts: 482
Location: South Lyon, MI. 48178
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 Posted: Tue Nov 05, 2024 9:24 pm Post subject: Re: Subaru conversion |
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When I had the type 4 engine and trans out of the bus, I did pull out the fuel tank and had it cleaned and sealed. While I was at it, replaced the rubber elbow at the gas cap end and the rubber connector between the tank and filler pipe. All the steel vent lines were cleared and the rubber connector hoses replaced.
When I remove the type 4 to do the swap, I will give the engine compartment a through cleaning and repaint it. I plan on adding LED lighting to the compartment ceiling. |
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martyrg
Samba Member
Joined: February 29, 2004
Posts: 482
Location: South Lyon, MI. 48178
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| Posted: Thu Nov 28, 2024 9:58 am Post subject: Re: Subaru conversion |
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| Will the electric fuel pump from a 2.0L Type 4 work (supply enough pressure, volume, etc.) for the 2.5L Subaru engine I'm using for my conversion? |
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Shonandb
Samba Member
Joined: January 12, 2019
Posts: 1936
Location: Vancouver, BC
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| Posted: Thu Nov 28, 2024 10:09 am Post subject: Re: Subaru conversion |
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| martyrg wrote: |
| Will the electric fuel pump from a 2.0L Type 4 work (supply enough pressure, volume, etc.) for the 2.5L Subaru engine I'm using for my conversion? |
Yes, I'm using my stock FI fuel pump and fuel pressure regulator from my 76 Westy and it works perfectly.
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76 Westy with a 2.5L Subaru SOHC + Vanagon (010) Automatic Transaxle
Build & Trip Thread: https://www.thesamba.com/vw/forum/viewtopic.php?t=758760
Previous 1973 Panel Bus:
Click to view image |
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martyrg
Samba Member
Joined: February 29, 2004
Posts: 482
Location: South Lyon, MI. 48178
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| Posted: Sun Dec 01, 2024 6:37 pm Post subject: Re: Subaru conversion |
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My 2.5L EJ Subaru engine is from a 2002 Outback. My Subaru dealer says he can't find a part number for a timing belt kit. Do any of you have a part number for an OEM timing belt kit?
I did find this Aisin kit listed on the Flatirons Tuning website: https://www.flatironstuning.com/tkf-010
Aisin Timing Kit (00-05 Legacy/Outback)
AISIN kit includes the following components:
AISIN Water Pump W/ Gaskets
Mitsuboshi Timing Belt
NTN Hydraulic Tensioner Bearing Assembly
NSK Idler Bearings
Koyo Idler Bearings
$384.43
SKU TKF-010
Do you see any problems with this kit? Trying to avoid the counterfit junk on ebay and Amazon. |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 17769
Location: sticksville, ct.
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| Posted: Sun Dec 01, 2024 7:58 pm Post subject: Re: Subaru conversion |
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there is no "kit" from the dealer. just individual parts
I would use dealer only. lot's of garbage out there. What was once good....isn't anymore
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| gprudenciop wrote: |
my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
| gkeeton@zbzoom.net wrote: |
| most VW enthusiasts are stuck in 80's price land. |
| Jake Raby wrote: |
| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
| Brian wrote: |
| Also the fact that people are agreeing with Skills, it's a turn of events for samba history |
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W1K1
Samba Member
Joined: March 04, 2004
Posts: 5263
Location: Southern AB
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Shonandb
Samba Member
Joined: January 12, 2019
Posts: 1936
Location: Vancouver, BC
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| Posted: Tue Dec 03, 2024 12:34 pm Post subject: Re: Subaru conversion |
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Of course OEM parts from Subaru would be best but I used the same Aisin kit as W1K1 did and recently passed the 25,000 uneventful mile mark on my swap in Sept this year. About a third of those miles were in the mountains loaded with gear and on many occasions, pulling a trailer.
I bought the kit back in 2018 after comparing a Gates Kit a friend bought versus the original Subaru parts off my engine, versus the Aisin Kit that my friend also bought after seeing how chintzy the Gates kit was. However, I'm not sure if the quality has changed in the 6 years since I bought my kit.
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76 Westy with a 2.5L Subaru SOHC + Vanagon (010) Automatic Transaxle
Build & Trip Thread: https://www.thesamba.com/vw/forum/viewtopic.php?t=758760
Previous 1973 Panel Bus:
Click to view image |
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martyrg
Samba Member
Joined: February 29, 2004
Posts: 482
Location: South Lyon, MI. 48178
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| Posted: Sun Dec 08, 2024 9:15 am Post subject: Re: Subaru conversion |
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| I've been looking at exhaust systems from Small Car, Van Cafe, etc. They are all stainless steel and pretty pricey. If I were to make my own system, is there any reason to not just use mild steel exhaust tubing? I realize it may not last as long as SS, and it certainly won't look as nice and have the "Bling Factor" of SS. |
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skills@eurocarsplus
Samba Peckerhead
Joined: January 01, 2007
Posts: 17769
Location: sticksville, ct.
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| Posted: Sun Dec 08, 2024 9:59 am Post subject: Re: Subaru conversion |
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| Shonandb wrote: |
I bought the kit back in 2018 |
that was 7 years ago. quality has slid in a big way since then.
As a guy in the automotive field, it hurts my pride knowing that Bosch is trash today, GMB/Gates has slid in a huge way in quality and the list goes on
I'm not saying this to be confrontational, I'm saying it because it's true
Schaeffler (INA bearings/idlers etc) is about to go tits up:
https://www.reuters.com/business/autos-transportat...024-09-26/
INA/Schaeffler was OE to tons of euro stuff and was top notch. It too has gone down hill
_________________
| gprudenciop wrote: |
my reason for switching to subaru is my german car was turning chinese so i said fuck it and went japanese....... |
| gkeeton@zbzoom.net wrote: |
| most VW enthusiasts are stuck in 80's price land. |
| Jake Raby wrote: |
| Thanks for the correction. I used to be a nice guy, then I ruined it by exposing myself to the public. |
| Brian wrote: |
| Also the fact that people are agreeing with Skills, it's a turn of events for samba history |
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W1K1
Samba Member
Joined: March 04, 2004
Posts: 5263
Location: Southern AB
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| Posted: Sun Dec 08, 2024 10:10 am Post subject: Re: Subaru conversion |
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| martyrg wrote: |
| I've been looking at exhaust systems from Small Car, Van Cafe, etc. They are all stainless steel and pretty pricey. If I were to make my own system, is there any reason to not just use mild steel exhaust tubing? I realize it may not last as long as SS, and it certainly won't look as nice and have the "Bling Factor" of SS. |
you can use the stock exhaust manifold if you want.
i went with the Kennedy setup, it worked without having exhaust tubing going back and forth in front of the timing cover, just a cat bolted on off the 90 and a 97 ranger v6 muffler.
https://www.kennedyeng.com/subaru-vanagon
i have 2" from my muffler, could be more with a smaller diameter muffler, i just wanted it quiet
_________________
http://www.thesamba.com/vw/archives/manuals/jim_martin_engine_build.php
1973 super
1965 squareback 1500E
1971 bay window westy- subi swap |
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martyrg
Samba Member
Joined: February 29, 2004
Posts: 482
Location: South Lyon, MI. 48178
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| Posted: Tue May 13, 2025 7:18 pm Post subject: Re: Subaru conversion |
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| How are people connecting together the two coolant pipes that feed the heater core on a Subaru 2.5L. I've tried using 5/8" heater hose, but the tight radius makes it kink. |
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Shonandb
Samba Member
Joined: January 12, 2019
Posts: 1936
Location: Vancouver, BC
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| Posted: Tue May 13, 2025 8:50 pm Post subject: Re: Subaru conversion |
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| martyrg wrote: |
| How are people connecting together the two coolant pipes that feed the heater core on a Subaru 2.5L. I've tried using 5/8" heater hose, but the tight radius makes it kink. |
I installed the heater core unit under my backseat and just ran them there and it works as it should but your hose with a couple 90 degree elbow fittings will work.
_________________
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76 Westy with a 2.5L Subaru SOHC + Vanagon (010) Automatic Transaxle
Build & Trip Thread: https://www.thesamba.com/vw/forum/viewtopic.php?t=758760
Previous 1973 Panel Bus:
Click to view image
Last edited by Shonandb on Wed May 14, 2025 7:28 am; edited 1 time in total |
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W1K1
Samba Member
Joined: March 04, 2004
Posts: 5263
Location: Southern AB
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| Posted: Wed May 14, 2025 6:03 am Post subject: Re: Subaru conversion |
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i didn't have any problem running mine with 1-2 foot of silicone rad hose looped under the bus while I decided on a heater core
mine is under the pedal splash pan and plugs into the front heater tree
_________________
http://www.thesamba.com/vw/archives/manuals/jim_martin_engine_build.php
1973 super
1965 squareback 1500E
1971 bay window westy- subi swap |
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martyrg
Samba Member
Joined: February 29, 2004
Posts: 482
Location: South Lyon, MI. 48178
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| Posted: Tue May 27, 2025 9:04 am Post subject: Re: Subaru conversion |
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It’s been a while since I posted any updates on my project and I’ve been busy.
I assembled the engine using a new short block from Subaru. I used only genuine OEM Subaru parts for the build. I had a local machine shop go through the heads and rebuild them. The transaxle has been rebuilt by Leduc Racing Components with a new 4.13 R&P and a 0.82 4th gear.
Following Vee-Dub-Nut’s example, I’m going with a belly mount radiator and using a modified AFCO all aluminum radiator and two Spal 13-inch fans. I used a NAPA, a 5/8” diameter molded ”U” shaped rubber hose to connect together the feed and return pipes for the heater core.
So, at this point the engine, transaxle and radiator are installed in the bus. Now I'm starting to connect the cooling system, and I have a couple of questions:
1. Has anyone used copper pipe for the hard lines between the engine and the radiator? The Big Box stores have copper pipe and fittings at reasonable prices, especially compared to pre-made stainless steel coolant pipes. Copper pipe and fittings will allow me to custom fit things as needed.
- I don’t believe galvanic corrosion will be a problem, as the dissimilar metals
will be separated by rubber/silicone coupling hoses.
- Would using mild steel exhaust tubing be a better choice?
2. How did you route your coolant hoses to the radiator; did you go over or under the torsion housing? Do you have any pictures you could share?
3. Expansion Tank. I know I need one, but I don’t know much more about it than that . . .
- Where does it go?
- What size?
- How should I plumb it in – Coolant manifold side or Thermostat side?
- Tee in at the high point of the cooling system?
Here are a few pictures of my progress to date. Note that the white PVC coolant pipe is just for mock up purposes.
Interestingly, I found a Subaru dealer here in Michigan that gives a 23% to 35% discount on parts. They do provide shipping for a nominal fee. Here is a link: https://www.subaruparts.online/productSearch.aspx?...5627642738
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W1K1
Samba Member
Joined: March 04, 2004
Posts: 5263
Location: Southern AB
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| Posted: Tue May 27, 2025 10:12 am Post subject: Re: Subaru conversion |
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i bought 1.5" stainless exhaust tubing off amazon and built mine, i tacked it with the mig and a buddy tigged it for me
drivers side is the high side, tee goes to the top of the VW bottle
pass side tee goes to the bottom of the bottle
_________________
http://www.thesamba.com/vw/archives/manuals/jim_martin_engine_build.php
1973 super
1965 squareback 1500E
1971 bay window westy- subi swap |
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Shonandb
Samba Member
Joined: January 12, 2019
Posts: 1936
Location: Vancouver, BC
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| Posted: Tue May 27, 2025 12:32 pm Post subject: Re: Subaru conversion |
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From page 1 of my build thread:
My build is not as "elegant" as others but functions well. I used the Subaru rad and fans out of my donor as well as the overflow tank. Used heavy duty marine exhaust hose rated for the temp, materials, and operating environment. Added 4 connecters: 2 at high points in the coolant lines for bleeding air that lead up to a filling point (with shut off valves) just under the rear access hatch and the other 2 at the inlet and outlet of the rad to install temp sensors, wired to aftermarket gauges to monitor temps before and after the rad. Added a temp/thermo (180F) switch in the outlet connector of the rad to control the cooling fans and ran the ECU fan control wires to the Small Car Code cheat board.
All coolant hose that touches metal (or anything else) is protected by 2" PVC pipe to protect from abrasion or damage.
Experimenting with where to run the coolant hose.
Dry run before adding the protectant pipe.
_________________
*******************************
76 Westy with a 2.5L Subaru SOHC + Vanagon (010) Automatic Transaxle
Build & Trip Thread: https://www.thesamba.com/vw/forum/viewtopic.php?t=758760
Previous 1973 Panel Bus:
Click to view image |
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