JdFinley.com

Fulltime RV Living Adventures

Subaru Manuals

Here are the Subaru Manuals that I have available for free download. Afraid I don’t have any others.

Subaru

Subaru EA-81 Engine

Subaru EA-82 Engine

Subaru EJ-22 Engine

 

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Comments

  2. Mark says

    I am unable to download the following files:
    Subaru EA-81 Engine
    •Subaru EA-81 Conversion Document – PDF – 1 Mb
    •Dual Ignition Conversion – PDF – 1.2 Mb

    Subaru EA-82 Engine
    •Subaru EA-82 Service Manual – Part 1 – PDF – 5.2 Mb
    •Subaru EA-82 Service Manual – Part 2 – PDF – 4 Mb

    The pdf’s start to open and stop downloading after the first page. I also can not download by using “Save target as” either. Do you know what could be causing this? Best Regards, Mark

    Reply

    • JD says

      Hi Mark – I am able to open and download them normally using Chrome. For some reason, IE does not like them but I’m not sure why. Sorry about that…

      Reply

  3. Robert Mardis says

    I read your blog about the Subaru’s and totally agree with what you said. Being an engineer, I once was a proponent of the “alternative engine” and was going to use one in my Thorp T-18. I bought an EJ-22 for another project that did not work out, and was planning on Turbocharging it and all of that. I spent endless hours researching PSRU’s, cooling systems, EFI systems and other stuff. I prepared a beautiful CAD drawing showing how I was going to install it and cool it in my T-18……basically a belly scoop with radiators mounted aft with plenums…..sort of P-51 style. What stopped me was that one day I found a T-18 on EBAY with a Subaru engine. When I communicated with the guy who was selling it, he said he was selling it for his deceased father, and it worked OK, but he was having to take a financial bloodbath because no one wanted to buy this airplane because of the alternative engine. Basically, what he had done is taken a very good design, and “bastardized” it with an alternative engine. That made me stop and think, and eventually buy a used Lycoming. It is still a project, but I am now on the right track. Now I look back and think of all of the PSRU manufactures I have seen come and go. It is a pretty long list.

    Reply

  4. Thaddeus says

    Well, that’s the beauty of experimental – by definintion they are bastards as they have no real father. These Subis are great engines, I’ve got one hung on the front of a Sonerai that I am building. Non-turbo EA-81 with Ross PSRU. Who cares about resale value? Look on Barnstormers, most of the experimental prices are way below actual cost of construction if you include time. Many are below the cost of materials.

    Reply

    • John McDowel; says

      can you post some maintenance information on the Ross PSRU.. i bought one 2nd/3rd hand and have no idea where to start to freshen it up..

      Reply

  6. Paul Poulsen says

    Hi Jon,
    I am up to overhauling the Revmaster engine on the Q2 and a local guy is interested in buying the engine and prop. I was reading about Raven redrives (now owned by a guy in Canada) and they have a drive that is made for the EJ22. I can pick up an engine locally with or without the computers and wring harnesses.
    Given that the Hp on the engine is around 173 @5800 it has plenty of poke.
    Two questions:
    1. Do you think that going for the conversion a good idea given your experience. I have heard bad reports about the revmaster being way under powered for the Q2 and mine was last weighed (2002 by a previous owner and the engine was zero timed by Revmaster) weighing in at 607 lbs.
    2. What documentation (if any or procedures are available for the conversion?
    Sorry if these are how long is a piece of string questions.
    All the best
    Paul

    Reply

    • JD says

      Hi Paul,

      The big question is: Do you want to mechanic/tinker/fabricate/repair or do you want to fly? If you want to fly, put an O-200 in it and have a blast!

      My Q2 with a normally aspirated, direct-drive EJ-22 was heavy. In my opinion, adding the weight of re-drive would put over the top (into the range of dangerous/unworkable). If you are a super scrounger and fabricator, that EJ-22 and re-drive is likely to cost you close to $10k (trust me, the expenses you do not anticipate really add up). You can put an O-200 on it for similar money – maybe a bit more. I know aircraft engines aren’t the cheapest nor the highest-tech but they do work though and quiet well.

      Having had two engine out landings with Quickies – I can tell you that it is not the greatest airplane for an experimental engine.

      Reply

      • Paul Poulsen says

        Thanks Matey,
        I should be able to drop an O-200 in her for about 10 000 AUD. The guy that wants the revmaster is trying to get me to reduce the price, BUT, it has a lot of new OEM parts. I will talk to him and suggest that if he can find a decent O-200 with some life on it maybe we can do a swap.
        Thanks again for your input. I will save the auto conversion for the SE-5A and that has a Geo engine designed to fit :).
        All the best
        Paul

        Reply

        • JD says

          Excellent choice Paul! You mentioned the Q2 being underpowered with the Revmaster. In my opinion, yes, it was. However; it did meet it’s design goals (efficiency). For comparison, a typical 1000 lb Q2 with 64 HP Revmaster has a lbs-to-HP ratio of 15 (each horsepower has to pull 15 pounds. My O-320 powered RV-3 was 7:1. The difference was massive and also a LOT of fun!!

          Reply

  8. Mitchell says

    Do you have the complete EA82 service manual? It appears to be missing the 2-6 section for the carburetor and the whole section 3.

    Cheers

    Reply

  10. Mazoyer says

    Hello mosieur
    I am looking for a lighter kit in effé hall for engine subaru EA81 for a microlight see availability and price cordialement Mazoyer Guy France 0033671870091 is not English

    Reply

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