• Tags

speed density

  1. S

    Requesting Guidance for 306 motor swap - Fuel? - SD? MAF?

    Hello Everybody, Introduction I've recently picked my project car back up. A 1988 LX 5.0 Mustang that’s been in my family for over 30 years! It was also my first car back in high school (2012), and it holds a lot of sentimental value. Now, I’m aiming to finally complete the build over the next...
    • So_Flo
    • Thread
    • Jul 26, 2025
    • 302 rebuild 306 foxbody foxbody 5.0 fuel injectors mass air flow mass air flow sensor motor swap speed density vortech
    • Replies: 32
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  2. A

    Speed density to MAF stock 86

    I'm trying to see if its worth swapping my speed density to a mass air sensor. My 86 GT is stock but I'm planning on getting some GT40 heads and intake later down the line. Is there any benefits if I do it now or should I just wait.
    • Aspin
    • Thread
    • Sep 16, 2022
    • 1986 gt ecu swap mass air flow speed density stock
    • Replies: 3
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  3. Speed Density Combos

    I was just given some “Brodix BP ST 5.0 R Series Cylinder Heads CNC Ported” by a friend and was wondering how these would fare on a SD car? So far my 87 Notch has a 306 with mods that include Intake, BBK 70mm Spacer and TB,BBK long tubes,BBK Off Road Cats with X pipe to stainless piping with...
    • PistolGripSLR
    • Thread
    • May 24, 2022
    • cam swap cylinder heads speed density
    • Replies: 8
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  4. D

    Electrical 1987 cruise control help

    When I got my 1987 foxbody it had the buttons for cruise control on the dash. I’ve been trying to get it all hooked but I’m running into some problems with the wire hookups under the dash. I ordered the yellow cruise control module but there’s only one plug for it under the dash and two white...
    • Darkdk
    • Thread
    • Apr 12, 2021
    • 1987 cruise control foxbody 5.0 help speed density wires
    • Replies: 1
    • Forum: Fox 5.0 Mustang Tech
  5. H

    87 T-bird W/92 5.0 Swap High Idle

    Hello All, New here. Ill do my best to explain the situation. Bought a 1987 Thunderbird for my brother. The car was originally a 5.0 non-HO. The previous owner swapped in a 5.0 HO out of a 1992 fox body and a AOD trans. He also swapped in the A9P eec without doing any harness changes. The...
    • hjbjzj
    • Thread
    • Sep 25, 2017
    • 1987 5.0 swap eec eec-iv eec4 speed density
    • Replies: 4
    • Forum: Fox 5.0 Mustang Tech
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