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  • 2 Post By Hotrod46
  • 1 Post By firebird77clone
  • 1 Post By Justin711

Thread: Engine shuts down After 15 miles

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  1. #1
    Joeybar is offline CHR Junior sMember Visit my Photo Gallery
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    Jul 2017

    Engine shuts down After 15 miles


    My 350 engine shuts down completely after about 15 miles and a couple of red lights. Temp is at about 190, usually stays at 185 running temp. New distributor, cap, fuel pump. Holly 600 carb with Vickers Jr intake about 5 years old. Sometimes it might refire when cooled down to 135 and a dash of gasoline added to the carb. This problem is kicking my butt lately. Thanks for any ideas.

  2. #2
    Hotrod46's Avatar
    Hotrod46 is offline CHR Member Visit my Photo Gallery
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    Feb 2007
    Car Year, Make, Model: 1946 Ford Coupe, 1962 Austin Healey 3000

    If you have an HEI type distributor, it sounds like the module is heat soaking and shutting off. I've had them do what you describe. There is supposed to be heat sink compound under the module where it bolts to the distributor body.
    glennsexton and rspears like this.

  3. #3
    firebird77clone's Avatar
    firebird77clone is offline CHR Member Visit my Photo Gallery
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    Sep 2005
    Car Year, Make, Model: 69 nomad, 73 charger, 74 vega

    Change the module. I think Hotrod 46 is on the money. I wouldn't trust it if it heatsoaked to a fail state.

    Next time it shuts off, isolate the cause- fuel or spark. If no spark, then check for power to distributor. HEI needs a minimum of 12AWG feed, most use 10AWG.

    But that is all assuming you are running an HEI. If you are using something more exotic like a multi spark capacitive discharge system then most problems trace to ground issues.
    glennsexton likes this.
    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.

  4. #4
    Justin711's Avatar
    Justin711 is offline CHR Junior sMember Visit my Photo Gallery
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    Jul 2017

    Check your tail pipe. How close is the tail pipe to your gas tank? Could be boiling your fuel and vapor locking. Fuel line close to header?
    Whiplash23T likes this.

  5. #5
    Whiplash23T's Avatar
    Whiplash23T is offline CHR Member Visit my Photo Gallery
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    Feb 2010
    Pukekohe, New Zealand
    Car Year, Make, Model: '23 Ford T Roadster

    All good advice and the one I thought of is the fuel pump if you are running an old mechanical pump, the drive pin may be worn so that as the block heats, the pin isn't long enough to drive the pump. Check the above though as those guys know a heap more than me.
    I maybe a little crazy but it stops me going insane.

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  6. #6
    53 Chevy5's Avatar
    53 Chevy5 is online now CHR Member Visit my Photo Gallery
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    Jan 2005
    Doon, Ia
    Car Year, Make, Model: 53 Chevy 3100

    My vote is the HEI problem, but then the gas down the carb would just be a weird coincidence I forgot all about that even thought it's happen'd to me before.

    God cannot give us a happiness and peace apart from Himself, because it is not there. There is no such thing. C.S.Lewis

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