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Why you should know what you are talking about before making power upgrades

Discussion in 'General Automotive' started by Brunes, Mar 21, 2010.

  1. Mar 21, 2010 at 8:28 PM
    #1
    Brunes

    #1
    Brunes [OP] abides.

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    Just read this little gem on another forum I frequent
     
    Brunes, Mar 21, 2010
    #1
  2. Mar 21, 2010 at 8:30 PM
    #2
    Rucas

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    Rucas 1st gen

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    cant see the pics..... not a member.
    Can you post them here?
     
    Rucas, Mar 21, 2010
    #2
  3. Mar 21, 2010 at 8:33 PM
    #3
    Brunes

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    Brunes [OP] abides.

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    Gah....Gimmie a minute

    [​IMG]
     
    Brunes, Mar 21, 2010
    #3
  4. Mar 21, 2010 at 8:34 PM
    #4
    Brunes

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    Brunes [OP] abides.

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    That one work sharkie??
     
    Brunes, Mar 21, 2010
    #4
  5. Mar 21, 2010 at 8:34 PM
    #5
    Rucas

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    Rucas 1st gen

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    nada.
    its a box with a X
     
    Rucas, Mar 21, 2010
    #5
  6. Mar 21, 2010 at 8:36 PM
    #6
    topgun155

    #6
    topgun155 Well-Known Member

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    RIP to my 08 Prerunner DC
    nope
     
    topgun155, Mar 21, 2010
    #6
  7. Mar 21, 2010 at 8:41 PM
    #7
    Brunes

    #7
    Brunes [OP] abides.

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    Damn it- Give me a few....

    Cliff Notes for the mean time: 2007 Scion tC with 440cc injectors pushing 17PSI as a "daily" driver. First photo was a rod fragged all to hell and several shots of the block with some nasty chunks missing...

    17PSI is an somewhat aggressive boost for a daily driver...and 440cc injectors are probably about 1/2 as much as needed....
     
    Brunes, Mar 21, 2010
    #7
  8. Mar 21, 2010 at 8:42 PM
    #8
    Rucas

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    Rucas 1st gen

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    yup i read that part.....crazy.
     
    Rucas, Mar 21, 2010
    #8
  9. Mar 21, 2010 at 8:50 PM
    #9
    Brunes

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    Brunes [OP] abides.

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    Okay- Think I've unfucked myself.....
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
     
    Brunes, Mar 21, 2010
    #9
  10. Mar 21, 2010 at 8:54 PM
    #10
    Blumpkinson

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    Blumpkinson Fuelled by plutonium and wild animals

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    Haha wow that sucks for him
     
    Blumpkinson, Mar 21, 2010
    #10
  11. Mar 21, 2010 at 8:56 PM
    #11
    ktmrider

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    ktmrider Senior Member

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    Junk
    wow thats crazy
     
    ktmrider, Mar 21, 2010
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  12. Mar 21, 2010 at 9:10 PM
    #12
    Brunes

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    Brunes [OP] abides.

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    Bump for lulz....and cause I brought the photos over too...
     
    Brunes, Mar 21, 2010
    #12
  13. Mar 22, 2010 at 6:52 AM
    #13
    Rucas

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    damn.
     
    Rucas, Mar 22, 2010
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  14. Mar 22, 2010 at 7:07 AM
    #14
    ywen

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    ywen Well-Known Member

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    i laugh at performance tuning for the purpose of driving to school.
     
    ywen, Mar 22, 2010
    #14
  15. Mar 22, 2010 at 7:44 AM
    #15
    macgyver

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    macgyver Well-Known Member

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    I would actually argue more for a good tune in addition to the properly sized fuel system.

    Before my tacoma I had a 1997 Honda Accord 2.2 that was turboed. I daily drove it for 3 years (about 50k miles) running 10 PSI on a completely stock motor.

    I had appropriately sized injectors 440CC's, with a walbro 255lph fuel pump, and an AEM adjustable fuel pressure regulator. I also had a wideband O2 sensor setup with a digital readout display on my dash to know what my A/F ratios were.

    I street tuned the car initally to get a good base tune and stayed out of boost until I got the car tuned on the dyno for a few hours. I had an excellent tuner (Dan @ Batlground engineering for those in Atlanta). We got it to a solid 12:1 AFR in boost and 14:1 in vacum across all RPM ranges. In additon we also tuned the ignition timing curve to prevent detonation.

    Some people such as this guy forget to factor in paying a GOOD tuner for a few hours on the dyno to make it safe to drive.

    I also agree 17psi is a little high for a scion TC daily driver. There's no need to make that much power for daily driving.
     
    macgyver, Mar 22, 2010
    #15
  16. Mar 22, 2010 at 7:50 AM
    #16
    Hoyal

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    Hoyal Whiskey bent and hell bound.

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    Big tires, big lift, Lots of stuff's.
    I was running 19psi in my 08 Wrx and if was just fine my comute to work was 100 miles round trip 5 days a week. If your going to do it you need to do it right.
     
    Hoyal, Mar 22, 2010
    #16
  17. Mar 22, 2010 at 7:55 AM
    #17
    Brunes

    #17
    Brunes [OP] abides.

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    LOL..Yeah...A WRX does not equal a tC....WRX come stock with turbos, no??
     
    Brunes, Mar 22, 2010
    #17

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