Engine & Performance

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

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  1. stamp11127

    Crank and cam timing

    stamp11127, Jun 6, 2019
    Replies:
    0
    Views:
    326
    stamp11127
    Jun 6, 2019
  2. lakmflx

    TSB's lookup

    lakmflx, Mar 29, 2007 ... 2
    Replies:
    15
    Views:
    22,651
    grantpa
    Jan 13, 2017
  3. stamp11127

    DIY Smoke Machine

    stamp11127, Sep 9, 2016
    Replies:
    0
    Views:
    2,785
    stamp11127
    Sep 9, 2016
  4. ajspellm

    Rough Idle

    ajspellm, Dec 7, 2009 ... 5 6 7
    Replies:
    64
    Views:
    106,217
    ExplorerTom
    Apr 24, 2015
  5. boiler71

    Lightning Supercharger Swap in an '04 Expy write-up

    boiler71, Feb 25, 2011 ... 5 6 7
    Replies:
    68
    Views:
    47,518
    dairyair302
    Jun 4, 2014
  1. craig sargood

    How do I prime 5.4 triton remand?

    craig sargood, May 19, 2019 ... 2
    Replies:
    19
    Views:
    1,183
    max78
    Oct 30, 2019
  2. Josh Saylor

    3.5L with coolant disappearing from overflow

    Josh Saylor, Oct 23, 2019
    Replies:
    6
    Views:
    283
    Josh Saylor
    Oct 24, 2019
  3. SafariDriverDR

    Rpm drops to 0 at low speeds. no lights.

    SafariDriverDR, Oct 18, 2019
    Replies:
    0
    Views:
    165
    SafariDriverDR
    Oct 18, 2019
  4. 17limited

    15-17 expedition ecoboost engine

    17limited, Aug 13, 2019
    Replies:
    8
    Views:
    1,224
    Derp
    Oct 17, 2019
  5. coolzzy

    Instant HP gain

    coolzzy, Jul 11, 2018
    Replies:
    7
    Views:
    2,142
    igneous
    Oct 10, 2019
  6. donl

    Help with Motor Build Plan_350-400HP N/A 2nd Gen 4.6L

    donl, Sep 25, 2019
    Replies:
    9
    Views:
    451
    16plati
    Oct 1, 2019
  7. ssmock

    Did I Hurt it!!

    ssmock, Aug 27, 2019 ... 2
    Replies:
    19
    Views:
    1,224
    Adieu
    Oct 1, 2019
  8. StreetCreeper

    Thinking of installing a Flowmaster 50 series Delta Flow muffler – Pros & Cons?

    StreetCreeper, Mar 21, 2018 ... 2
    Replies:
    13
    Views:
    3,568
    cwharding
    Sep 23, 2019
  9. 762mm

    Prestone radiator complete care... WTF???

    762mm, Sep 20, 2019
    Replies:
    2
    Views:
    288
    762mm
    Sep 20, 2019
  10. The_Texas_Bandit

    Secondary O2 sensor bypass

    The_Texas_Bandit, Sep 8, 2019
    Replies:
    4
    Views:
    289
    johnboneske
    Sep 19, 2019
  11. mkc1962

    5.4L rear main seal question

    mkc1962, May 22, 2017 ... 2
    Replies:
    15
    Views:
    10,988
    MattP1976
    Sep 17, 2019
  12. Enigma346

    Buying a Cylinder Head

    Enigma346, Apr 1, 2019
    Replies:
    7
    Views:
    568
    Yupster Dog
    Sep 17, 2019
  13. Ron1978

    2006 5.4l having a felt miss at 52 mph

    Ron1978, Aug 31, 2019
    Replies:
    4
    Views:
    332
    CHRIS HODGE
    Sep 5, 2019
  14. ExplorerTom

    Working on engine- what do you stand on?

    ExplorerTom, Apr 24, 2015 ... 2
    Replies:
    19
    Views:
    3,502
    Black
    Sep 3, 2019
  15. ogre20012001

    Rebuild information

    ogre20012001, Oct 1, 2018 ... 2
    Replies:
    11
    Views:
    901
    joethefordguy
    Sep 2, 2019
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