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  1. #1

    x model stock injector size?

    anyone know? same as rxp?


  2. #2
    Whats that whistling noise? jtskier11's Avatar
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    Thought I read they were 42's running at a higher rail pressure for like 46lb/hr.......... Yes, no??

  3. #3
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by [email protected] View Post
    anyone know? same as rxp?
    RXP is 38 lb hr
    X models use 42 lb hr

  4. #4
    Whats that whistling noise? jtskier11's Avatar
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    Quote Originally Posted by Green Hulk View Post
    RXP is 38 lb hr
    X models use 42 lb hr
    Ok. I knew I was off.

  5. #5
    JFizzleJR's Avatar
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    Has everyone come to a consensus yet as to what injectors are needed on a RXP 215 HP with stock fuel pump and X-charger (with external IC and aftermarket air intake as well) ??

  6. #6
    Whats that whistling noise? jtskier11's Avatar
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    Quote Originally Posted by JFizzleJR View Post
    Has everyone come to a consensus yet as to what injectors are needed on a RXP 215 HP with stock fuel pump and X-charger (with external IC and aftermarket air intake as well) ??
    38's and RRFPR. Running good for me. I dont have my WB yet though. I keep checking my j-pipe bell for good measure. Still flawless at the present.

  7. #7
    JFizzleJR's Avatar
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    I'm wondering without the RRFPR though..

  8. #8
    Whats that whistling noise? jtskier11's Avatar
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    Quote Originally Posted by JFizzleJR View Post
    I'm wondering without the RRFPR though..
    Oh, oh! I got ya, sorry.

  9. #9
    Fast & Loud meeper's Avatar
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    Quote Originally Posted by Green Hulk View Post
    RXP is 38 lb hr
    X models use 42 lb hr
    arent they run at higher voltage to make them equal 50lbs?

    i do know one thing my stage 3 boat outlasts the stock PX my buddy has by a few bars of fuel consistantly.

  10. #10
    Quote Originally Posted by JFizzleJR View Post
    Has everyone come to a consensus yet as to what injectors are needed on a RXP 215 HP with stock fuel pump and X-charger (with external IC and aftermarket air intake as well) ??
    You would need 42's to run at approx 255 hp with the stock fuel pump & 58 psi of rail pressure.

    Mark

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