DIY Supercharger 4G63...(warning lots of photos..)

Posted by JayRome, Nov 23, 2010

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  1. JayRome

    JayRome Proven Member

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    Joined Dec 12, 2008
    Victoria, Australia
    a few people have requested pictures and or plans regarding my old Supercharger set up on my 4g.. (mods if this thread needs to be moved to correct section please do so..)

    this may clear some things up, i have lost alot of detailed photos due to a HD getting currpted but i can answer anyones question in regards to the set up...

    the supercharger used was an Eaton M45 from a Mercedes C200 Kompressor

    any questions just ask... i would suggest building everything on a spare engine, it makes things alot easier..

    warning: i wont be held responsible if you blow your s*#t up :p



    extractors/headers to cope with the boost: (i just recycled my old tri-y's and turned them tuned length)

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    manifold design:
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  2. JayRome

    JayRome Proven Member

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    Victoria, Australia
    IMAG0325.gif
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    (i wouldnt try and weld alloy with a mig, it sucks balls, but it works... kinda...)
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    (Using the stock aircon belt tensioner for the supercharger belt)
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  3. rayrayx11

    rayrayx11 Proven Member

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    Joined Aug 8, 2008
    riverside, Rhode Island
    interesting... never seen it done like this.
     
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  4. JayRome

    JayRome Proven Member

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    Joined Dec 12, 2008
    Victoria, Australia
  5. AlphaVision

    AlphaVision Proven Member

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    Joined Jan 28, 2007
    Sofia, Europe
    What's that charger?

    A friend of mine is doing something similar with an Eaton M62. Can you tell was it good? Pros and cons?

    Thanks!
     
    My DSM:
    1999 Mitsubishi Eclipse GST

    12.447 @ 111.930 MPH
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  6. pj91gsx

    pj91gsx Freelancer

    1,884
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    Joined Nov 25, 2007
    Stuart, Virginia
    where did you get the super charger from?
     
    My DSM:
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  7. JayRome

    JayRome Proven Member

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    Joined Dec 12, 2008
    Victoria, Australia
    Pro would be no lag at all, matched with the right cams it feels and pulls like a bigger engine as well as having a wider power band.. also scaring the s*#t out of big block owners when they hear the whine under a mitsu bonnet...

    Con would be that sometimes Superchargers are more expensive then a turbo in regards to its parts and replacements, and tuning.. some tuners freak when they see a supercharged on a worked 4cyl....

    other wise same as turbo... but without the kick in the back of the head..

    LOL Ebay US.....
     
  8. AlphaVision

    AlphaVision Proven Member

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    Joined Jan 28, 2007
    Sofia, Europe
    Thanks for the info. I have more questions :)

    How about hp loss to spin the charger? What is the brand/model of the supercharger? What cams did you use? Any dyno numbers?
     
    My DSM:
    1999 Mitsubishi Eclipse GST

    12.447 @ 111.930 MPH
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  9. JayRome

    JayRome Proven Member

    133
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    Joined Dec 12, 2008
    Victoria, Australia
    loose around 5-10%ish power to spin the charger (depending on the charger design wise, can be more or less), more torque, the instant boost makes up alot of the lost power.. add a sandwich plate cooler between the supercharger and the manifold and you can make alot more of that lost power back.....

    its in the first post... Eaton M45 from a Merc C200/180 Kompressor

    and no i didnt get enough time to dyno and tune properly before the supercharger died racing someone in the mountains..... (it was a 2nd hand unit couldnt expect much)
     
    Last edited by a moderator: Jul 10, 2014
  10. AlphaVision

    AlphaVision Proven Member

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    Joined Jan 28, 2007
    Sofia, Europe
    All right. Thank you for the info. I appreciate it. One last thing. What boost and charger RPM@engine RPM was the charger running?
     
    My DSM:
    1999 Mitsubishi Eclipse GST

    12.447 @ 111.930 MPH
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  11. JayRome

    JayRome Proven Member

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    Joined Dec 12, 2008
    Victoria, Australia

    that i dont remember, the pully was 1/3rd smaller then the stock VR4 4G63 pully...

    from memory it was around 3psi ish from idle 1krpm and 8psi constant after 2.2krpm that...
     
  12. skatershawn

    skatershawn Proven Member

    934
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    Joined Feb 27, 2009
    Austin, Texas
    plan on getting a new supercharger??

    What are you plans for it now?
    Keep us updated!
     
    My DSM:
    1993 Eagle Talon N/T

    16g   manual
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  13. JayRome

    JayRome Proven Member

    133
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    Joined Dec 12, 2008
    Victoria, Australia
    yes i have been looking for a replacement supercharger, but at the moment can not seem to find one...

    currently running an EVO8 turbo which replaces the supercharger, i do miss the S/C whine though, it did turn alot of heads...
     
  14. 9!'clipseDOHC

    9!'clipseDOHC Moderator

    3,455
    184
    Joined Aug 24, 2003
    El Paso, Texas
    Very interesting! Good job on building it! That takes a lot of desire and ingenuity, especially since its so easy just to slap a turbo on.
     
    My DSM:
    1991 Mitsubishi Eclipse GSX

    Street Build

    13.102 @ 111.220 MPH
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  15. laser90

    laser90 Proven Member

    197
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    Joined Sep 9, 2003
    West Palm Beach, Florida
    I'm speechless...... This is a ####ing cool ass build! Props to you man.
     
    My DSM:
    1990 Plymouth Laser RS Turbo

    12.652 @ 114.650 MPH
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  16. Imback

    Imback Proven Member

    899
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    Joined Nov 8, 2006
    Elmont, New York
    Very cool first time i've seen that. This should be moved to custom fabrication. How much power are you making at 8psi?
     
    My DSM:
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  17. JayRome

    JayRome Proven Member

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    Joined Dec 12, 2008
    Victoria, Australia
    i'd say it was making an easy 150kw at the front wheels before the S/C died..

    when it did hit the dyno i got 57kw at 38% before my fuel system said no more (n/a ECU and injectors).... slapped on the VR4 ecu and injectors and she was back to more power but pinged slightly due to the maps being off....

    cheers for the comments guys....

    i would love more people to give the Supercharged way a go, they sound awesome and can still keep up with the turbos and you dont normally hear a supercharger whine on a ### car...
     
    Last edited by a moderator: Jul 10, 2014
  18. coty

    coty Probationary Member

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    lonaconing md, Maryland
    wow
    this is nuts
     
  19. SD99GST

    SD99GST Proven Member

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    Joined Sep 6, 2008
    Oakland, California
    Would not believe it if I didn't see it. Insane build.
     
    My DSM:
    1999

      manual
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  20. spooln4fun

    spooln4fun Proven Member

    440
    2
    Joined Jul 9, 2005
    Belpre, Ohio
    It is a very interesting build and perhaps we(well 1g owners) could use the exhaust from a non turbo 4g that would eliminate the exhaust fab. As far as the intake that is another story.

    How was it getting the belt for the s/c as well as making those belt tensioner mounts?
     
    My DSM:
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  21. Zdrummer15

    Zdrummer15 Proven Member

    700
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    Joined Aug 19, 2009
    York, Pennsylvania
    My thoughts exactly. I definitely won't be going this route, but it's still cool to see that someone gave it a try. A guy I lived with at college last year is doing a supercharger set-up on his Subaru 2.5RS though. I don't remember for sure, but that may even be the same supercharger he has. Either way it's a pretty cool build. If you ever swap back to a SC make a comparison to the turbo you're currently running. I'm sure a comparable turbo will put up much better numbers, but it would still be interesting to see the difference.
     
  22. BIRDCLAWTSi

    BIRDCLAWTSi Supporting Member

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    Joined Apr 13, 2009
    Danbury, Connecticut
    I was stoked when i saw your car in the widebody thread you posted, I never saw one in the u.s., Then i realized that you were in australia, Bummer.

    Either way, Cool car and props to you for thinking out of the DSM Box. It gave me a new approach to things. Much like Paul Volk (99Gstracer) did with his compound set up. I love seeing custom work. Later.
    -Dave
     
    My DSM:
    1990 Eagle Talon TSi AWD

    13.730 @ 97.000 MPH
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  23. me4g63t

    me4g63t Probationary Member

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    Joined Oct 2, 2010
    fresno, California
    This is one sick dsm bro.
     
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  24. motozachl

    motozachl Proven Member

    907
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    Joined Jul 15, 2008
    Cleveland, Ohio
    This is very interesting to say the least
     
    My DSM:
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  25. JayRome

    JayRome Proven Member

    133
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    Joined Dec 12, 2008
    Victoria, Australia
    yer some of the non turbo 4g64 stock manifold are already tri-y design so its easy if you know what your doing..

    as for the belt, its actually not hard, just used string to see how long it had to be, then went to my local parts shop and requested a belt this big with 4 ribs in it... you really have to play around with the pully's to get it exat but if your mechanicaly minded it should be easy....

    its a fun project if anyone attempts it..
     

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