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Replacing Exhaust manifold on Ford with 5.4

Discussion in 'Trucks and Trailers' started by flairland, Apr 1, 2009.

  1. flairland

    flairland LawnSite Senior Member
    Posts: 640

    Hey guys, need your help quick! I have an 04 Ford F350 5.4l, and I need to replace the right side exhaust manifold. Am I ok to replace with a NAPA (ie. Partsource/Car parts only type place) or should I stick with a 'Ford' manifold?? Or should I look into headers while doign this anyway?? Tips please!
  2. TXNSLighting

    TXNSLighting LawnSite Fanatic
    from DFW, TX
    Posts: 6,462

  3. flairland

    flairland LawnSite Senior Member
    Posts: 640

    How much would I actually gain by getting them? I've heard both + and - reviews about them. Any brand recommendations??
  4. OrangeToys

    OrangeToys LawnSite Bronze Member
    from SW MO
    Posts: 1,021

    i'd do headers if your having to take of the manifold to place it, put on something thats gonna be a benefit.
  5. Milwaukee

    Milwaukee LawnSite Member
    Posts: 144

    double post
  6. Milwaukee

    Milwaukee LawnSite Member
    Posts: 144

    get stainless studs for this.

    On the affected bank only, replace the exhaust manifold, manifold gasket(s), and install all new stainless steel exhaust manifold studs and nuts. Torque the studs in the cylinder head to 71-115 lb-in (8-13 N-m). Torque nuts on studs to 204-239 lb-in (23-27 N-m). Refer to Workshop Manual Section 313-01A for exhaust manifold removal and installation.

    Go to Ford dealer give them part numbers for stud
    W703902-S403 Stainless Steel Stud
    W701706-S2 Stainless Steel Nut
  7. Brothers_Landscaping

    Brothers_Landscaping LawnSite Member
    Posts: 33

    I'd go with performance manifolds, headers leak after a while, so you have to tighten them every 4-6 months, which is a pain. And performance manifolds are just as good.

    Thats my opinion
  8. topsites

    topsites LawnSite Fanatic
    Posts: 21,653

    If you only need the one side...
    NAPA supplies good parts.

    For modification into headers or performance manifolds I would think you'd really want to do both sides,
    thou I will add that a buddy of mine who swore by changing to headers, his trucks just about all leaked...
    And I thought it was just him doing a crappy job :p
  9. supercuts

    supercuts LawnSite Silver Member
    Posts: 2,785

    go stock, id go napa if alot cheaper. headers rot out quick, and you'll be doing it all over again. typical ford gas engine. and im a ford guy

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