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Twin turbo tuning

Discussion in 'Newbie and Basic Turbo Tech Forum' started by lawton, Oct 28, 2011.

  1. lawton

    Joined:
    Oct 28, 2011
    My 88 mustang is still speed density and someone told me i can use my stock computer but wire in a maf meter before the turbo even though im doing twins. Is that doable? I have 30 pound injectors already but he said i can use stock injectors with an fmu or regulator without a tune. So can i run my 30s with an fmu and the car will run?
     
    lawton, Oct 28, 2011
    #1

  2. stangman9897

    Joined:
    Mar 23, 2009
    It will run with 30lb but it won't make any power, need to go with 60s or 80s depending what your power goals are.
     
    stangman9897, Oct 30, 2011
    #2

  3. 9t3svt

    Joined:
    Jan 25, 2008
    You can wire a mass air harness in, but you will need to get a mass air computer. An fmu will only get you so far and are meant for stock injectors and superchargers. If planning on staying stock block for a while, 42s will work, or 60s as previously suggested. Also go with a blow through meter before the throttle body.
     
    9t3svt, Oct 31, 2011
    #3

  4. Racinjason81

    Joined:
    Mar 11, 2007
    yep get yourself the Maf harness,PCM from a mass air Mustang.a Maf preferably a PMAS blow thru.u would be better off with a set of 42lbers, boost referenced AFPR,and a walbro 255 fuel pump.that would cover u for around 500hp.an fmu is more like a band aid for tuning
     
    Racinjason81, Nov 24, 2011
    #4

  5. stack

    Joined:
    Jan 30, 2004
    Just go to MS and stop messing around... Learning curve is ok with all the tech support...
     
    stack, Nov 25, 2011
    #5

  6. lawton

    Joined:
    Oct 28, 2011
    going to go with ms pnp. also going to use a single wastegate that y's off of my headers
     
    lawton, Dec 18, 2011
    #6

  7. lawton

    Joined:
    Oct 28, 2011
    What size wastegate do you guys think i should use? I was thinking a good 38 or 40 should work good for 10lbs
     
    lawton, Dec 28, 2011
    #7

  8. lawton

    Joined:
    Oct 28, 2011
    *
     
    lawton, Jan 3, 2012
    #8

  9. ashford

    Joined:
    Nov 24, 2008
    bigger gate for less boost. a single 50 with a t6 turbo on my 383 couldnt hold boost down after 5000rpm
     
    ashford, Jan 3, 2012
    #9
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