Another Mav running hot ... mine ...

Discussion in 'Technical' started by dmhines, Sep 9, 2004.

  1. dmhines

    dmhines Dixie Maverick Boy

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    Still having a strange issue. If I let the car idle until the thermostat opens all is well. However, if I immediately drive the car it will puke out enough coolant prior to the thermostat opening that it runs hot. I'm thinking that the Edelbrock is causing the engine to run lean so I ordered some different metering rods to richen up both the cruise and power modes. I drove 30 miles to a show and it ran at below 195 for the entire trip with a 180 thermostat. Leaving the show I immediately got on the highway without letting it warm up ... temp went up to 210 pretty quickly and when I stopped it had puked out a lot of water. Filled it back up at the a gas station, let it idle until the thermostat opened and made it all the way home again with it never going over 195. My water temp sensor is on the opposite side of the intake than the thermostat .. could that side be running hotter? I tested the thermostat in water and it is fine ... I verified the gauge is fine as well. Timing is set to a degree to two before pinging ..
     
  2. Grabber5.0

    Grabber5.0 Gear-head wannabe

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    I don't know but I wouldn't expect to see much difference. Mine is at the back of the intake as well (I assume you mean that and not the drivers side :)) and mine rarely gets over 185 with a 180 stat. I am running an Edelbrock 600 w electric choke right out of the box with no adjustments.
     
  3. dmhines

    dmhines Dixie Maverick Boy

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    Actually it is on the driver side ... by #5 cylinder ... so I am obviously not measuring the temp at the thermostat ...
     
  4. Earl Branham

    Earl Branham Certified Old Fart

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    Dan; that is where mine is at. I have an Edelbrock Performer 289, and when I added the shroud, the problems went away. Can't get it above 195 with the air on and a very hot day. Hope you figure it out.
     
  5. Gittinwidit

    Gittinwidit Member

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    My Mav ran hot for years. And after pulling the heads to replace a leaking valve, I saw the culprit. The previous rebuilder put the head gaskets on backwards.
     
  6. dmhines

    dmhines Dixie Maverick Boy

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    I'm sure mine are correct ... I put them on ... FRONT to the front ...
     
  7. Gittinwidit

    Gittinwidit Member

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    Somebody correct me on this, but I think one of them has to go back to front? I just know the coolant holes go to the rear. Seems something was crazy like that? Somebody help me out on this, it's been a while...
     
  8. Gittinwidit

    Gittinwidit Member

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    Here's what I found. "To install the gaskets properly, the word "front" on the gaskets must be facing the front of the engine on both banks. The gasket lacing on one side should be up and down on the other side"

    So you're good. I just knew something had to look funny for them to work, couldn't remember exactly what though.
     
  9. dmhines

    dmhines Dixie Maverick Boy

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    How hot was hot when the gaskets were installed incorrectly? Would installing them backwards result in it running hot or overheating?
     
  10. black396

    black396 Member

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    1. Make sure the theromstat is installed correctly
    2. Make sure you have a coil in the lower hose.
    3. check yer plugs for signs of mixture problems. Too lean will cause heat
    4. for a neat overflow set up see, http://www.mustangandfords.com/featuredvehicles/73718/

    I think this fellow's dual action tank (overflow/windscreen mixture) came from a "baby LTD, circh 1980. It looks good and should fit where our single purpose tanks are located.

    5. since you like to mix and match, you may want to check your water pump, to double check it is not from a serpentine (reverse) setup.
    Keep us posted, usually this type of heating problem is a forehead slammer when we overlook a basic.
     
  11. dmhines

    dmhines Dixie Maverick Boy

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    Well ... my new test is I drilled a small hole in the thermostat so pressure doesn't build up prior to it opening. Would only idle up to 165 .... Took it for a 5 mile ride on the highway ... hottest it got was 190 .... We'll see what happens from here.
     
  12. dmhines

    dmhines Dixie Maverick Boy

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    Swapped out the metering rods in the Edelbrock to richen it up 6% in both Cruise and Power mode. Also drove the car without letting it warm up. Went to slightly over 180 and didn't puke any coolant. Hopefully the problem is resolved .... Might be my imaginations but seems to pull stronger with the new rods.
     

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