1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Mid 80's Subaru Turbo

Discussion in 'Forced Induction' started by hondahauge, Aug 27, 2003.

  1. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
    What is the stock turbo for the mid 80's turbo it come on the inline 6 i believe. Not sure on which model it is all i know that it is the mid 80's Surbaru.
     
  2. Loco Honkey

    Loco Honkey Banned

    Messages:
    3,646
    Likes Received:
    0
    Joined:
    Jun 5, 2003
    Boxer six. Not inline. It was an IHI RHB5, I believe. Call a Subaru dealer and get back to us. FWIW, those 80's turbo Subees were total JUNK.
     
  3. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
    How were the turbos? Were they total junk?
     
  4. Loco Honkey

    Loco Honkey Banned

    Messages:
    3,646
    Likes Received:
    0
    Joined:
    Jun 5, 2003
    IHI turbos kick ass. Don't let the small size of the RHB5 fool you- mine put me in the low 13s on 10 PSI in a full interiored Si hatch using the stock engine..
     
  5. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
    Would the IHI RHB5 turbo work well on a D Series motor? "D15B2"
     
  6. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
    Just called the Subaru Dealer ship "Ramsey's Auto out of Des Moines IA" they said that all that the could give me is the part number, not which turbo it is.
     
  7. Loco Honkey

    Loco Honkey Banned

    Messages:
    3,646
    Likes Received:
    0
    Joined:
    Jun 5, 2003

    Yeah, it'd be great. You'll see positive pressure as low as 1900 RPM, full boost by 2700 RPM, and it'll pull hard to redline. If you punch it anywhere above 3200 RPM, you'll see instant boost.
     
  8. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
    Could I make a custom turbo manifold for it or should I just purchase one?
     
  9. Loco Honkey

    Loco Honkey Banned

    Messages:
    3,646
    Likes Received:
    0
    Joined:
    Jun 5, 2003
    The IHIs that the Subees used were a weird three bolt flange thing (almost exactly like the WRXs), so you won't find a flange. HOWEVER... If you can find an IHI from a Thunderbird Turbocoupe, you can use that on a manifold that has a T3 flange, because... it's the only IHI turbo with a T3 flange. :)
     
  10. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
  11. hondahauge

    hondahauge Senior Member

    Messages:
    107
    Likes Received:
    0
    Joined:
    Dec 16, 2002
    How much boost should I run, and how much can the D15B2 handle?
     
  12. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

    Messages:
    28,465
    Likes Received:
    228
    Joined:
    Sep 30, 2002
    Location:
    Dallas / Fort Worth, TX
    Hmm. Maybe I should walk outside when it's daylight and take some pics of the old RX sitting by the curb... we're trying to sell it, working AC and everything. It's an old turbo Subie.

    :)
     
  13. Loco Honkey

    Loco Honkey Banned

    Messages:
    3,646
    Likes Received:
    0
    Joined:
    Jun 5, 2003
    With proper fueling, you can run 10 PSI.
     
Verification:
Draft saved Draft deleted

Share This Page