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  1. Engine - 4.6L & 5.4L
    I have a 4.6 2v npi 120k miles that when pressing the throttle from idle to about 1600 from a low speed, a cloud of smoke appears faintly. It mainly smokes when driving than neutral. I have been told it could be a intake manifold gasket though there are no fluid leaks at all. The valve covers...
  2. Engine - 4.6L & 5.4L
    I've look around the forums and I can't find what I'm looking for (not saying it's not here, just I can't find it) so I hope someone can point me in the right direction. I have a '95 Thunderbird LX (4.6L) and I want to eventually upgrade the engine. I am waffling between complete redo (meaning...
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