Volvo RWD 140-160 Forum

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red hot exhaust manifold 140-160 1973

The two center exhaust ports on my B20f engine get red hot after idling for a short while. While its idling the water temp. is normal, but as soon as I shut the engine down the water starts boiling! I took out the thermostat, replaced the manifold gaskets, adjusted timing, flushed out the radiator. Anyone have any suggestion? Thanks for your input. Larry






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New red hot exhaust manifold [140-160][1973]
posted by  someone claiming to be Larry  on Mon Dec 7 18:53 CST 1998 >


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