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Thread: My supercharger build: Update 7/5/2010 Emanage!

  1. #31
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    Re: My supercharger build: Update 6/13/09

    I like.... but


    Question:

    Since you've now moved the pump into the well (somewhat) will there be anything else to balance the front end out? What I mean is, now the charger and the pump reside mainly in the front left corner of the car.

    Also: (to me) that looks a bit dangerous where it is, the way it is. My .$02 Is there anyway to spin it, so that it get mounted onto the wheel hump instead? If not, maybe removing your fender and having a small safety cage welded around the pump would aid incase of ....
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  2. #32
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    Re: My supercharger build: Update 6/13/09

    Yeah, I have been working out some kinda of box or something to keep the elements from the pump. The bottom of the pump is somewhat protected by the metal flap, but I know more is needed. Until I come up with something permanent it'll just be covered by plastic bag

    Anyway, next major task is mounting the SC on the engine, and getting Group N engine mounts.

  3. #33
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    Re: My supercharger build: Update 6/13/09

    Some Ford and Chevy trucks came with very similar, if not the same, pump as the Legacy/Impreza did/does, and they mount it on the frame rail under the truck. I mean, right under the truck, in the elements, exposed to rocks and all kinds of stuff. They're on top of the rail, not on the bottom so they are somewhat protected, but your pump should be fine with minimal protection. However, if you get in a wreck, and the fender gets crunched, you very well may lose braking, both base brakes and ABS.
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  4. #34
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    Re: My supercharger build: Update 6/13/09

    Got my RalliTEK Perfect Power 6 ECU wired in today, and it was not as hard as I expected.

    Now I just have to figure out how to use the software. It didn't start with the all 0 base map, which was to be expected, but I loaded a map for a 2005 2.5RS and it ran ok. I'll mess with it more in the coming days, while I try to find a large aluminum plate to mount the SC on. The STi fuel pump should be getting installed soon as well.

    I'll post up the wiring diagrams in the Electrical section soon, its really quite simple to install.


  5. #35
    t3h ub3r m3mber 2.5GT's Avatar
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    Re: My supercharger build: Update 6/13/09

    That right there looks like a mess!

  6. #36
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    Re: My supercharger build: Update 6/13/09

    There are a lot of wires, but you don't have to mess with most of them.

  7. #37
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    Re: My supercharger build: Update 6/13/09

    can you make custom maps w/ the software provided for the piggy back? i just ordered one for my build. when do you think you'll have diy for the installation?
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  8. #38
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    Re: My supercharger build: Update 6/13/09

    +1 on the DIY. Definitely enjoying this thread so far!
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  9. #39
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    Re: My supercharger build: Update 6/13/09

    Hey guys, I'll be back Saturday so I should be able to post up some material then. As for the maps, I'll have to figure out the tuning process first.

  10. #40
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    Re: My supercharger build: Update 6/13/09

    Ok, here is the wiring diagram for the PP6 on a 1997 single plug ECU.

    The greyish color is actually white, but it has to be able to show up on the diagram.

    This thread contains the information necessary to configure the SMT6.
    EDIT: in global settings, "Teeth per turn" should be 14, and "Teeth per firing" should be 20.

    http://forums.nasioc.com/forums/showthr ... hlight=pp6


  11. #41
    t3h ub3r m3mber 2.5GT's Avatar
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    Re: My supercharger build: Update 6/13/09

    Am i getting this right? The Violet and Blue wires tap into the #5 beige wire? Same with Pink and Yellow in #8?

  12. #42
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    Re: My supercharger build: Update 6/13/09

    Its a little unclear because of the color, but the white wire is actually cut, with the end coming from the car attaching to the blue wire, and the end that is still attached to the ECU is connected to the violet wire.

    Also, I just got done with a run with the PP6, and it seems to bump and surge at certain RPM's. Also, the RPM needle fluctuates and moves faster and slower in relation to what it should be. This leads me to believe that there is a problem with the ignition setup...

    Update: Ah ha! One of the blue/black "Pull Up" wires must also be connected to the incoming crank signal wire along with the yellow wire. No more crazy bumps and lurches. I currently have the "Teeth per turn" set to 14, and "Teeth per firing" set to 20.

  13. #43
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    Re: My supercharger build: Update 6/13/09

    Any new pictures and progress?

  14. #44
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    Re: My supercharger build: Update 6/13/09

    Progress yes, but no pictures at the moment.

    I made cardboard templates for the mounting plate. It will be bolted to the passenger side head, then braced with a triangular steel piece to the valve cover.

    For the pulley, I'll need to utilize a stepper pulley off the power steering pulley to run the SC at the correct speed. I might go to a machine shop and have them make a whole new pulley instead of ghetto-fabbing an old PS pulley by welding another bigger pulley on the front.

    Fuel pump is next to get installed though.

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    Re: My supercharger build: Update 6/30/09

    Installed the STi fuel pump today, full DIY here.

    viewtopic.php?f=39&t=14645&p=167089#p167089


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    Re: My supercharger build: Update 6/13/09

    That much weight sitting on top of the head?

    Is there anyway to fab. up a bracket and mount it on the side of the body? and how much is this supercharger weight?

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    Re: My supercharger build: Update 6/13/09

    Damn.. your really getting along pretty good on this! You should update the picture of the wiring.. might be a good idea for people who may want to do this in the future. Cant wait to see this move along!
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  18. #48
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    Re: My supercharger build: Update 6/13/09

    Quote Originally Posted by 2.5GT
    That much weight sitting on top of the head?

    Is there anyway to fab. up a bracket and mount it on the side of the body? and how much is this supercharger weight?
    Mounting the SC on the body would mean that as the engine moves, the belt would be experiencing different loads, so that wouldn't work too well. A possibility, however, is a flexible "spring" or something to hold the weight from underneath.

    Although, with a large aluminum plate underneath, and a triangular brace holding the weight against the valve cover should be fine. Plus, the belt will take some of the weight since the tensioning method will simply to move the SC back and forth.

    Contrary to what the pictures show, I have decided that it will work best to mount the SC flat with the pressure side up. This makes belt routing 100% simpler for the stepper pulley, since the secondary belt will just be able to go around either side of the coolant hose. If I tried to route the belt under the coolant pipe and back to the crank pulley, the nubs of the timing belt cover would get in the way.

  19. #49
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    Re: My supercharger build: Update 6/13/09

    k so how were you able to map the piggy back? i installed the unit loaded the software and the drivers for the serial-usb adapter i keep getting a "error 75" pop up when i run the program. do i need to run it on a MAC or XP instead? vista doesn't seem to want to run.
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  20. #50
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    Re: My supercharger build: Update 6/13/09

    vista sucks with most things.. so i would assume it probably doesn't like that software as well. try XP.
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    Re: My supercharger build: Update 6/13/09

    no it works... you have to right click on the exe and "run as administrator" but now i dont have the right map for my car. they sent me the 00-04 impreza RS maps. i thought it was the same engine as my 01 legacy?
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    Re: My supercharger build: Update 6/13/09

    Quote Originally Posted by hink01wag
    no it works... you have to right click on the exe and "run as administrator" but now i dont have the right map for my car. they sent me the 00-04 impreza RS maps. i thought it was the same engine as my 01 legacy?
    It is the same engine. EJ25 SOHC + MAP intake sensor.
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    Re: My supercharger build: Update 6/13/09

    so why does it run like shit when i load the map?
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  24. #54
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    Re: My supercharger build: Update 6/13/09

    Quote Originally Posted by hink01wag
    so why does it run like shit when i load the map?
    Make sure your global settings, deflections, and rpm scales are all correct for your engine. The thread on nabisco in my post of the wiring a few posts up has the link. I would post it again but I'm on my iPod. Anyway that thread should have all the global settings listed. I'm actually running the 04 RS map and it works fine, I just had to set the global settings.

  25. #55
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    Re: My supercharger build: Update 6/13/09

    cool thanks ill try that.
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  26. #56
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    Re: My supercharger build: Update 7/10/09

    Ok, It's been a while but today I finally got a mounting plate fabricated and fitted. Its a 1/4" plate of aluminum, with a 3/8" spacer for the rear mounting tab. Underneath the plate will be a shelf support bracket, which will brace the SC against the valve cover. I also made the intake and exhaust plates that will attach to the SC. They still need to have large holes cut in them and aluminum tubes brazed on.





  27. #57
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    Re: My supercharger build: Update 7/10/09

    It's weird seeing a supercharger being setup on an EJ25 but definitely very cool!
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  28. #58
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    Re: My supercharger build: Update 7/10/09

    Yeah, crazy I know. To my knowledge this will be the first ever Phase I EJ25 ever supercharged with an M62.

    Also, at the recommendation of both reddevil and Skid on nasioc and RS2.5, I will beef up the mounting plates with two 3/8" bars at the front and back of the plate.

  29. #59
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    Re: My supercharger build: Update 7/10/09

    thanks for the help with the smt6. i for got the 330om resistor. now it runs like a champ. so i talked to the guy at RalliTek and he said that they have a map on their web site that is a really good starting point for the SC. i think im going to go to a tune shop once i get mine installed and have them work with it on the dyno. did you have any plans like that? i know my setup is way different than yours but its the same SC. so do you have a plan for mapping your smt6?
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  30. #60
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    Re: My supercharger build: Update 7/10/09

    You better take this thing to a dyno after you get it running smooth. I wanna see some numbers.

    Good job on the fab so far. Looks like you are taking your time and thinking things out.

    Keep up with pics and updates, I think a lot of people are waiting to see what comes next.
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