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Cooling system bleed and throttle issues

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This topic contains 0 replies, has 1 voice, and was last updated by John B John Brenden 7 months, 2 weeks ago.

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    John B
    John Brenden
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    Greetings!

    I have a 1972 Nova with a 350 engine pulled from a wrecked ’99 truck. While tuning the engine I noticed some issues; the first being that while bleeding the air out of the cooling system, everything goes normal until the engine is shut off. At which point, the radiator ejects a LARGE amount of coolant from the filler neck. Should I be reinstalling the rad cap before engine shut down?

    Also, the engine starts fine and the throttle works as it should. However, once operating temp is reached, the throttle will stick open, causing a max-RPM idle. I’m assuming that is causing the engine to “diesel” and continue to run for awhile after shutdown. (ending with a tremendous backfire out of the carb)

    Thanks for any feedback!

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