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Thread: Supercoupe from Europe/ help needed

  1. #31
    Join Date
    Oct 2013
    Location
    Estonia
    Posts
    27
    Oh and anothe rquestion..

    is there a point putting an 80/85/90mm throttlebody
    to a stock block.
    will be running with CAI, 10% SC pulley, polished cylinderheads.
    or what else i should do to raise the effiency?

  2. #32
    Join Date
    Apr 2002
    Location
    Madison, Ohio
    Posts
    17,540
    There is no point in using that big of a TB on a stock engine, 70mm is big enough and even that will require some port matching on the plenum. I see the picture of the heads you posted - you should know that those are NOT SC cylinder heads so that is possibly one reason why you are having trouble with them blowing head gaskets.

    In order to make more power or boost than what you are with the 10% pulley you must upgrade to larger fuel injectors and fuel pump, and whenever you do that you must also get a chip to match up the parts. The MAF is also most likely near or at its maximum.

    The one thing that most people do once they get to your level is fabricate up a front mount intercooler. If it's quite hot where you live then you should also consider a bigger/better radiator and a 180 deg themostat (again that requires a chip).
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  3. #33
    Join Date
    Oct 2013
    Location
    Estonia
    Posts
    27
    Oh okey.. thank you for the information..
    so next step shouldn´t be TB-, it should be injectors and chip... i have several fuelpumps in the garage(bosch 044, escalade outer pump, and some other, powerful pumps.')
    these head cylinders arent the same what i have atm. my friend had em on a NA 3.8- he just gave em to me..he told me, that they should do the job... but as i understand they don´t fit/work correctly on my car?

    maximum temp. here is in some days during the summer 95F. mostly its around 75-80.- is the FMI relevant with these tempetatures? other hand, its not that hard to build it also.


    thank you for the help once again.


    Regards.

  4. #34
    Join Date
    Nov 2012
    Location
    wisconsin
    Posts
    714
    after watching that burnout its no wonder you already wrecked..these cars are poor on any surface other than nice clean warm pavement.
    hopefully its an easy fix for you,and throwing around the rear end like that with no extra bracing ur asking for trouble.its an old car,make shur its solid befor you treat it like a new car..
    good luck and sweet find !

  5. #35
    Join Date
    Oct 2013
    Location
    Estonia
    Posts
    27
    well actually i kinda did all those things on purpose, i wanted to push the car to the max and see if something breaks... after a year full of these things... something hasn´t broken down yet.. except cylinder heads and Freezeplugs...
    the way i see it. its a strong car...

  6. #36
    Join Date
    Oct 2013
    Location
    Estonia
    Posts
    27
    Well... i got my first package from US... 10% pulley for SC..(Thank you ScarSC)!!!
    however meanwhile... i got a sweet price on a M112 charger...
    is the 10% pulley sitting on the M112?
    and i guess the car has to wait couple of more months, because fitting and modifing everything gonna take some time again...
    new headers, FMIC, injectors, pump, ECU, MAF, TB...
    can anyone suggest which parts should be normal- i mean TB-mm´s? injectors? etc?.
    and around where should the power be finally? around? 350hp?

  7. #37
    Join Date
    Jun 2008
    Location
    Columbia,SC
    Posts
    609
    Glad I could be of service...it was just sitting around anyway

  8. #38
    Join Date
    Oct 2013
    Location
    Estonia
    Posts
    27
    In my last post, i asked several questions...
    can someone help me with these answers?

    and how i can be a member of a sccoa in facebook? and a fulltime member in here.
    if it counts, im coming to Us in the beginning of may next year
    Last edited by RoomstaT-bird; 08-29-2015 at 04:41 PM.

  9. #39
    Join Date
    Apr 2002
    Location
    St. Louis, MO
    Posts
    6,379
    Quote Originally Posted by RoomstaT-bird View Post
    In my last post, i asked several questions...
    can someone help me with these answers?

    and how i can be a member of a sccoa in facebook? and a fulltime member in here.
    if it counts, im coming to Us in the beggining of may next year
    You should post your technical questions in the Technical Forum. That forum gets a lot more traffic than this one.
    Kurt K (e-mail)
    SCCoA Member #: 443
    '92 SC AOD -- 11.521s @ 116.748mph, 2.0 AR power
    . . . . . . . . . -- 13.547s @ 101.01 mph, only w/ bolt-ons
    '95 SC 5spd -- All Stock, except 17" Simmons wheels.
    '90 SC 35th Anny 5spd -- 3rd owner, 16k miles
    2 '89 XR7 5spd's -- on their way out, really!

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