18 PSI for the drags?

Discussion in 'Technical' started by Boll!, Nov 9, 2006.

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18 psi?

  1. Yeah, should be pretty safe to do so

    13 vote(s)
    56.5%
  2. Nah, dont be f&*n stupid!!

    10 vote(s)
    43.5%
  1. Boll!

    Boll! Well-Known Member

    Plan on havin a few runs down the 1/4 over the weekend, and want your thoughts on boosting to 18 psi for the occasion. Some slight mods are as follows: High flow turbos, CES dumps, 2.5 exhaust, Pod, FMIC, Mines ECU, UD pully, LW flywheel.

    Cheers guys.
    Col
     
  2. WazTTed

    WazTTed Grease Monkey

    PING PING, dude ,stock injectors are maxed out at 14.5psi
     
  3. MrZee

    MrZee MΧtérZëë

    What are you talking about, the stock injectors are good for 250+ rwkw, many members here have done more than 250rwkw with the stockies in place, and with his mods "Front mount, Ecu and high flows" it shouldnt be a problem ;)
     
  4. XTREME ZX

    XTREME ZX ZED Xtremist

    pinging will be a problem if it is not tuned

    as long as there is enough fuel distribution to compensate the air flow he shouldn't experience issues.. Although 16 psi will probably be my recommendation. 18psi is boarder line where the turbo becomes inefficient due to heat.

    Just a thought...


     
  5. bigbaz

    bigbaz New Member

    get your drag setup checked out on a dyno so you can be sure its safe
     
  6. CHILI

    CHILI Indestructable Target

    Thanks for that Tezza, I must have missed those details. I've been running 18psi with 270+rwkw on stock injectors for several years.:p:p:p:p

     
  7. SIM300

    SIM300 FAKE MODERAT0R

    Hi flowed turbo's...

    Depending on what hiflow option was taken, the turbo's themselves should be able to handle 18psi.

    Wow Llyod, that is impressive! I assume you have a FPR for this to be possible? I might have to speak to you further about your setup :)
     
  8. Boll!

    Boll! Well-Known Member

    Thanks guys,
    Hey chilli what ecu are you running and are you useing an AFC or somehting?

    And im not sure of the hi-flow option as it was all done when i bought the car:D

    Cheers,
    Col

     
  9. CHILI

    CHILI Indestructable Target

    I'm running a MicroTech LT12 with no O2's or AFM. Turbo's are hi-flowed and I have a Fuel Pressure Regulator set at 45psi, O2 Pod filter, 3" exhaust with hi-flow Cats and a BlitZ Electronic DSBC.

     
    Last edited: Nov 9, 2006
  10. Boll!

    Boll! Well-Known Member

    Thanks mate,
    Iv'e dropped it down to about 16 psi, think i will run with that.

    Col


     
  11. Chad_

    Chad_ Well-Known Member

    why dont u run different boost levels? one run with 16, one with 18...

    but i think 16 is heapsss enough, if it tuned for it, and everything is running like it should you should see the 12'z bracket...dont forget about traction mate...
     
  12. CHILI

    CHILI Indestructable Target

    The 271.9 rwkw was recorded before the Fuel Regulator was installed, I just added it for a little bit of insurance(too much is better than not quite enough).:D:D:D

     
  13. Boll!

    Boll! Well-Known Member

    Sould have traction under control, Thanks Caz ;)


     

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