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Projects 66 galaxie wont run

Discussion in 'The Hokey Ass Message Board' started by 66GoldenGalaxie, Aug 29, 2017.

  1. 66GoldenGalaxie
    Joined: Aug 29, 2017
    Posts: 1

    66GoldenGalaxie

    I have a 1966 Ford Galaxie 500 sedan with the 390 2bbl, automatic trans, power steering, power brakes. All stock. The problem i was having is when I apply the brakes, the engine would start to run real rough from about 10 mph until a few seconds after a complete stop. Once stopped at the light, engine will be running really rough for a few seconds until engine smooths out. It would do this about everytime I stopped and started out of nowhere. Then the next time I started it, it would barely run, wouldn't accelerate, just sounds like it was sucking air but no rpm raise. Now the problem im having is it won't even run. After that last drive, I was stranded because it wouldn't start. Kinda started once after that with my foot to the floor and it ran extremely rough at low rpms with full throttle but if I let off the gas it would die. Confuses me because I drove It to school that morning and It was fine, now all of the sudden It won't run. It has new points, condenser, rotor, cap, wires, plugs, plug wires, fuel pump, and carburator was rebuilt. Thank you !
     
  2. Mark Roby
    Joined: Sep 29, 2015
    Posts: 96

    Mark Roby

    Power Brakes? I'm going with a vacuum leak and probably in the booster.


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    Truck64 and Terrible80 like this.
  3. a50merc
    Joined: Apr 20, 2008
    Posts: 998

    a50merc
    Member

    Dit it Run with the Old Part's in it....???

    like the Points & Cond..???

    Just my 3.5 cents

    Live Learn & Die a Fool
     
    302GMC likes this.
  4. RmK57
    Joined: Dec 31, 2008
    Posts: 1,273

    RmK57
    Member

    It could be your brake booster is shot. The rubber diaphragm inside may have ruptured causing a vacuum leak when you apply the brakes.
    Unplug the rubber line to the intake manifold and cap off the nipple. Start the engine and see if it starts or runs smoother. Be aware you won't have any powere brakes if you drive it.
     
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  5. a50merc
    Joined: Apr 20, 2008
    Posts: 998

    a50merc
    Member

    It could be the Condenser thats Bad & it wont Start
    also if it was Loose & it Came complete'ly off than
    it wont start at all.

    Just my 3.5 cents

    Live Learn & Die a Fool
     
  6. Jalopy Joker
    Joined: Sep 3, 2006
    Posts: 24,157

    Jalopy Joker
    Member

    it could be that it is a '66, with '65 being the cutoff here - post pics of motor with air cleaner off
     
  7. sunbeam
    Joined: Oct 22, 2010
    Posts: 4,538

    sunbeam
    Member

    Plug the hose to the vacuum booster and see if it starts.
     
  8. RmK57
    Joined: Dec 31, 2008
    Posts: 1,273

    RmK57
    Member

    Most people couldn't tell the difference between a 65 and 66 model Galaxie's.;)
     
  9. mikhett
    Joined: Jan 22, 2005
    Posts: 1,403

    mikhett
    Member
    from jackson nj

    I'm leaning towards vacuum leak.check by spraying carb cleaner around carb base.
     
  10. Gr8punkin
    Joined: Aug 25, 2017
    Posts: 28

    Gr8punkin

    I gotta agree with everyone who's questioning the brake booster, it sounds like the booster was going bad and it gave its last good go when the engine started running bad.
     
  11. d2_willys
    Joined: Sep 8, 2007
    Posts: 4,094

    d2_willys
    Member
    from Kansas

    Put a vacuum gauge on the engine and monitor it when the engine starts to run rough. I agree with the booster or hoses.
     

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