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Thread: oil starvation prevention

  1. #1

    oil starvation prevention

    Steven warned me when i got my subaru that i should get a baffle for the oilpan.

    So far ive been okay, then again i'm ran a 205 street tire all race season, but i think this spring i'll invest into some sort of solution to prevent possible engine damage (engine is crap to begin with, and i'd like to hold off a swap for as long as possible), as i might be going to a sticker street in a 225 size, maybe even an R.

    so what are my options going from cheapests to most expensive?

  2. #2

    Re: oil starvation prevention

    Just run an additional litre of oil. You will be fine on an NA.
    #46 STX BRS

  3. #3

    Re: oil starvation prevention

    Where exactly is wazoOO, lol.
    Laszlo - red '17 WRX
    The all-new Subaru WRX is coming. Pardon our dust.

  4. #4

    Join Date
    Nov 2003
    Location
    Maple, Ontario
    Posts
    6,387

    Re: oil starvation prevention

    The destroyer of ring lands on an NA engine is the oil that recirculates into the intake. Run a catch can at the very least prior to recirculating the blowby.

    The routing should go from the valve covers to the catch can, then from the catch can to the intake.

  5. #5

    Re: oil starvation prevention

    never had a prob on 11 years of 2.5rs.... summer/racing, i just made sure i was on Full mark for oil / did more oil changes frequently.

    ran years on r's especially 225-50-15 v710's and ra1 at track.

  6. #6

    Join Date
    Nov 2003
    Location
    Maple, Ontario
    Posts
    6,387

    Re: oil starvation prevention

    But but Robin.. He's faster than you.. (JK JK) ;-)

  7. #7

    Re: oil starvation prevention

    Is a catch can free for solosprint or does it fall under the "emissions non-compliance" mod area?

    I should probably set one up for next year - I only intermittently recall how bad that crankcase goop must flow crawling along those straights.
    OTA #72

  8. #8

    Re: oil starvation prevention

    4.8 AUTHORIZED MODIFICATIONS – ZERO PIP VALUE

    4.8.1 ENGINE & TRANSMISSION

    .4 Catch tanks, oil filters, fuel filters and oil coolers on the engine, transmission
    and final drive housing may be modified.

  9. #9

    Re: oil starvation prevention

    Awesome!
    OTA #72

  10. #10

    Re: oil starvation prevention

    Certainly, oil starvation on the turbo Subarus must be worse than on the N/A's. Blowby gases can make oil more reluctant to drain into the block.

    The other potential difference, Robin, is that Serge drives MIR. Turn 3 is nine seconds of G-loading. You don't find that at Shannonville, St. Eustache, DDT, etc.

    Driving style has an effect, too. Someone who shifts earlier to rely on torque in the corners holds lower revs through the corner which could empty the oil pan 50% slower than someone who prefers high revs.


    Stephen - I drive Blue Subarus of the rally and track varietals.

  11. #11

    Re: oil starvation prevention

    I'm lucky, turn 3 is the "correct" direction for my engine to turn (which points the wrong way, of course, but little victories)
    OTA #72

  12. #12

    Re: oil starvation prevention

    well, depending on how we finalize the wording on the tire/fender rule (something we've been banging away on), i might get by next year with my old wheels, so i'll be on 205's

    catch-can it is!

  13. #13

    Re: oil starvation prevention

    Yeah, I'm wondering how that would turn out.

    I get how it might be hard to measure, but it changes things around somewhat...there are some winners and losers.

    ie,

    Winners: vehicles with no camber, ie stuff with live axles

    Losers: cars with wide wheels (wheels pull the sidewall out beyond the tread face),

    Not really the end of the world though
    OTA #72

  14. #14

    Re: oil starvation prevention

    On my n/a build I will be running a 2 QT Accusump with the 35-40 PSI electric valve, this should keep any oil starvation issues at bay.
    Still learning the curves :-D

  15. #15

    Re: oil starvation prevention

    Rear oil gallery plug near where the turbo would sit is the ideal location to T in the Accusump.
    Ivano D.

    SPDA TREASURER

  16. #16

    Re: oil starvation prevention

    I've been recommended by Canton Racing, the makers of the Accusump, to go with the sandwichplate install, that way the oil going into the reservoir is always filtered.

    Any special reason to go with the rear oil gallery plug?
    Still learning the curves :-D

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