TwinTurbo.NET: Nissan 300ZX forum - Re: Probably what I needed to hear! Thanks MA
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Subject Re: Probably what I needed to hear! Thanks MA
     
Posted by MaxxAction on August 07, 2014 at 12:38 PM
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In Reply To Probably what I needed to hear! Thanks MA posted by ZUL8R on August 07, 2014 at 11:10 AM
     
Message If it got above the H on the gauge...

I would say that's a pretty safe bet. When the gauge is at about 3/4 you are about 210-215, over the H you are around 240. That is enough to warp heads on an iron block/aluminum head motor.

The old coolant wouldn't cause overheating that bad unless it was really low. You had a thermostat stick, or your radiator was plugged.

A VG that is is tight, and everything working properly should never get much above midway on the gauge (180 to 200 degrees). If it gets to 3/4, pull over and cool it down, cause something is wrong.

     
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