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Engine & Performance

Discuss Engine mods, Chips, Filters, etc. here.

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  1. ajspellm

    Rough Idle

    ajspellm, Dec 7, 2009 ... 5 6 7
    Replies:
    65
    Views:
    111,454
    steelnewfie
    Oct 11, 2020
  2. stamp11127

    Crank and cam timing

    stamp11127, Jun 6, 2019
    Replies:
    0
    Views:
    1,000
    stamp11127
    Jun 6, 2019
  3. lakmflx

    TSB's lookup

    lakmflx, Mar 29, 2007 ... 2
    Replies:
    15
    Views:
    24,129
    grantpa
    Jan 13, 2017
  4. stamp11127

    DIY Smoke Machine

    stamp11127, Sep 9, 2016
    Replies:
    0
    Views:
    3,366
    stamp11127
    Sep 9, 2016
  5. boiler71

    Lightning Supercharger Swap in an '04 Expy write-up

    boiler71, Feb 25, 2011 ... 5 6 7
    Replies:
    68
    Views:
    50,615
    dairyair302
    Jun 4, 2014
  1. Saundersbronco

    Help engine rough idle and stalls out

    Saundersbronco, Dec 19, 2020
    Replies:
    8
    Views:
    334
    riphip
    Jan 12, 2021 at 3:21 PM
  2. JimT

    Here's a head scratcher

    JimT, Jan 8, 2021
    Replies:
    7
    Views:
    328
    riphip
    Jan 12, 2021 at 3:07 PM
  3. MDEVIR

    2015 Ecoboost - Turbo Limp Mode

    MDEVIR, Jan 6, 2021
    Replies:
    5
    Views:
    387
    JExpedition07
    Jan 9, 2021 at 4:06 PM
  4. AksoBruce

    5.4 rebuild

    AksoBruce, Jan 4, 2021
    Replies:
    4
    Views:
    197
    Dennis_H
    Jan 6, 2021
  5. SterlingP03

    Sluggish acceleration. HELP!

    SterlingP03, Dec 28, 2020
    Replies:
    1
    Views:
    121
    Yupster Dog
    Dec 28, 2020
  6. SterlingP03

    Sluggish acceleration. HELP!

    SterlingP03, Dec 28, 2020
    Replies:
    1
    Views:
    126
    Yupster Dog
    Dec 28, 2020
  7. gerald holland

    Surging idle

    gerald holland, Dec 22, 2020
    Replies:
    4
    Views:
    157
    Yupster Dog
    Dec 22, 2020
  8. Max Fernandez

    Ok so you REALLY need to clean your MAF sensor...

    Max Fernandez, Jul 29, 2020
    Replies:
    7
    Views:
    1,130
    Aspen03
    Dec 8, 2020
  9. Kjhawkeye1

    5 star tune + aFe CAI

    Kjhawkeye1, Dec 4, 2020
    Replies:
    3
    Views:
    564
    union pipewelder
    Dec 7, 2020
  10. Nakita23

    Stage 3

    Nakita23, Mar 12, 2019
    Replies:
    8
    Views:
    1,645
    Kjhawkeye1
    Dec 2, 2020
  11. SnuffThePunkz

    V10 swap

    SnuffThePunkz, Oct 15, 2018 ... 2 3
    Replies:
    22
    Views:
    6,382
    WEDGE
    Nov 30, 2020
  12. 11b4v

    5.4L Timing Chain Set; CLoyes or Ford OEM?

    11b4v, Jun 5, 2018 ... 2
    Replies:
    19
    Views:
    8,419
    WEDGE
    Nov 30, 2020
  13. Tommie

    2001 5.4 2v low power...cats?

    Tommie, Jul 21, 2020
    Replies:
    3
    Views:
    388
    2004XLT
    Nov 24, 2020
  14. Jason Little

    Engine Knock after Spark Plug Change

    Jason Little, Nov 13, 2020
    Replies:
    5
    Views:
    338
    Jason Little
    Nov 17, 2020
  15. mntatfreak

    New chain tensioners 2006 expedition

    mntatfreak, Nov 3, 2020
    Replies:
    0
    Views:
    126
    mntatfreak
    Nov 3, 2020
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