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  1. #1
    Building Boost
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    Jul 2019
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    Clear Lake, Texas
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    1986 SVO Mustang Return to Service

    Hello,

    My 1986 Mustang SVO showed up on the truck today from Oregon to Houston, TX.

    I looked it over really good, and have already identified some things that need fixed immediately, but overall I am pleased with the purchase. I also got a couple of surprises that I wasnt expecting, but what old car doesnt want to surprise its new owner?

    The hood latch cable has broken off because the old battery leaked acid which ate through the cable. I have one on order and will be replacing that immediately.
    The horns are missing, and I will need them in order to be able to pass the vehicle safety inspection. I have them on order and will be replacing immediately.

    I was told that the car is medium canyon red, and that may be the color that it is, but the color code on the door is 2R which is either Bright Red or Jalapena Red depending on where I look. Either way, that is news to me. SURPRISE!

    The engine on this car is very modified. It also appears to leak a little bit of oil. I will need to find the oil leak, it is somewhere underneath since it is not splashing about the engine bay and all around the head looks clean and dry, but their is an oil slick on the oil pan and oil on the steering shaft. I am going to have to try to figure out what all mods have been done to the car, but that may be easier said than done.

    The wiring harness is a hack up and spliced together mess of wires. I expect no less from a car of this vintage, but I will have to sort it out and get rid of wires that don't do anything.

    It has some stuff that I didn't expect it to have: sunroof bag, parcel cover (although it does not retract anymore), the koni shock adjuster, and the original Hurst shift boot.

    It is missing some things that I didn't expect as well: The quad shocks for the rear are gone, and I think that may be causing the ride quality to be less than superb.

    The steering wheel is an aftermarket Grant wheel (not super), the shift knob is some round plastic POS, the flocking on the dash front is gone, the dash top is cracked (I am hoping that a dash top out of any Mustang of this vintage will work?), the driver seat is pretty worn, the AC system is gone, and I do not feel any air coming from the dash front vents when the heat is turned on (only from the defroster and floor vents). The paint is ok from 20 feet and really bad from 5. The trim work and plastics are tired and some of them are brittle. The spats and fog lights are MIA.

    Basically, I have some work to do. I am not looking to turn this into a 100 point show car, but I want to get it to Sunday driver status so I can take it to cars & coffee meets and cruise around when I feel like it. Luckily I have the resources to make this happen, and I want to keep it running as much as possible throughout the process. I do not want a non-running project car because I lose motivation when the thing wont move under its own power. Step 1 is to get it to where it can pass the inspection so I can register it, and then I will start checking things off of my to do list.

    TLDR: Yay, I have an SVO Mustang...it needs work

  2. #2
    Some Boost
    Join Date
    Jul 2012
    Location
    Acworth, GA
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    141
    congrats, looking forward to pictures.

    If the latch cable is trashed, take out the battery and check the frame rail under it. (bend back the plastic if necessary to see the bottom.) Mine in my RS Turbo was trashed under the battery due to the leak.
    1984 Mercury Capri RS
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  3. #3
    Building Boost
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    Jul 2019
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    Clear Lake, Texas
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    Thanks for the info. I checked and it looks good under there. The car is mysteriously rust free. It does have some serious problems though. It runs like total garbage. It falls off hard once it hits boost and the idle starts surging really hard. I wish I knew what the hell the PO had done to this car, but I think that a return to stock as much as possible is in order to try to get it running better. I also need to figure out the wiring mess that I have inherited and fix other things. It does run, but it doesnt do it well. It also squeaks, squeals, and has a really hard ride so I need to sort that...it is going to be an adventure. It is pretty intimidating right now, especially since I have no idea what was done to this car over the past 33 years. I will just start sorting one problem at a time and then moving on to the next one until either the car is fixed or I die of old age...I hope it gets fixed first!


  4. #4
    Red Captain MikeFleming's Avatar
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    Jun 2011
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    Tucson, AZ. USA, Earth
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    That looks like Jalapeno Red - definitley NOT Med Canyon Red Glow.
    Helping SVO owners & racers since 1984

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  5. #5
    Half Boost
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    May 2012
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    Oconomowoc, WI
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    Sounds like it has suspension mods too if its really stiff. Check the rear suspension for tubular control arms and stiffer springs. Also check what is in it for ECU. with wiring mods it might have a pimp or something. Nice looking from the picture.

  6. #6
    Building Boost
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    Jul 2019
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    Yeah, the suspension is modified. I think it has Eibach Sport springs on it, I will get a closer look once I take the wheels off. It sits pretty low so I am going to have to get it up on jack stands.

    In other news, I think that I know why it was running like crap. I believe that the fuel pump was either going out, or something connected to it had split, cracked, exploded. Took it for a run around the block to get some data on when it was starting to lose power and what might be causing it. When I got home my wife said it smelled like gas...not good...looked under the back and noticed that it was dripping gas from the gas tank. My wife thought that there was a hole in the tank, but I reassured her that all of the gas would have been leaking out prior to the trip if it had a hole in it. I am going to have to drop the tank and look at the pump, filter, lines, sending unit, and inside of the tank. At least the car had the decency to tell me what was wrong with it instead of making me hunt the problem down! Might be time for an adjustable fuel pressure regulator as well since it looks like I will be digging into the fuel system and I dont know how long this car was sitting (although Carfax tells me that it wasnt registered for 12 years until about 18 months ago) but I am guessing that it sat in someone's garage for a long time.

    Good news is that when it wasnt in boost and choking for fuel it was running excellent. The little 4 banger has all kinds of spunk so that is neat. Also my 8 year old daughter likes the car a lot so that is to its credit!

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