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    Coolant flush turned brown (bad head gasket?)

    Okay update now that I’ve had some time to run it. Ran a garden hose until water was clean, put 3.5 gallons of distilled in it. Ran the engine again and drained the distilled… still brown? I wasn’t able to do the exhaust gas bc water was bubbling out of the radiator, but it didn’t seem like it...
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    Coolant flush turned brown (bad head gasket?)

    All good info, yes I have radiator petcock and engine drain both open now.. still coming out brown. Biggest problem is I have intermittent starting issues and I can’t tune the carb to run under 1500 rpm’s, I’m sure I have tons of other issues going on (I’m bringing this car back to life out of...
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    Coolant flush turned brown (bad head gasket?)

    Thank you, this is very helpful- I don’t have my heater on, big mistake (but it’s the last thing I’m thinking about in my 100 degree garage). I’ll see what this drain out looks like and yes, I may need to switch back to hose water and then once it’s clear switch back to distilled. Temp sensor...
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    Coolant flush turned brown (bad head gasket?)

    I think something else I should mention, my temp gauge isn’t working. So technically I don’t know that it is overheating. I re-spliced the wire, but the gauge still isn’t reading anything. To further explain, it is bubbling up after a minute of running- which could very well be air working its...
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    Coolant flush turned brown (bad head gasket?)

    @Spook50 @FJ Silver thank you for your replies. I checked the oil cap and dipstick and it looked clear, didn’t see any milky coolant mixture. Checked the bucket of drained water, it’s definitely brown and dirty, but I didn’t see a oil sheen. Refilled with distilled water and bought a radiator...
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    Coolant flush turned brown (bad head gasket?)

    I am trying to revive my 86. I finally got it to a point where I can start the engine, so I went to try and flush the cooling system. Here’s the problem, I put 4 gallons of distilled water and a coolant flush bottle. Ran the engine for a few minutes ( high rpm’s maybe 1500 bc I am trying to tune...
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