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B20 Guzzling Coolant 140-160 1971

posted by  someone claiming to be mechanic on  Mon Apr 29 15:20 CST 2002 [RELATED]

Matt made a good point about asking if the car has been in freezing weather without antifreeze. You might have cracked the block.

Usually the plugs look white after being exposed to water in the cylinder. Also you would see a white cloud at any speed with that much water flowing thru it. If you had antifreeze in the system you would get a definite sweet smell at the exhaust with a blown gasket or cracked head.

Still you should not have seen a difference in idle when checking each plug. Plug 4 would be a place to start looking for the water if it is in the cylinder.

At least it is easy to pull the head on these cars.





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