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Since I filled the 8 inch rim trailer tires with the mixture and they are small enough to fit in the freezer so I put a tire in the freezer for about 6 hours.
When i removed it the metal rim was showing 4°F to 5°F and the tire its self was less than 10°F.
Pressure dropped to 42psi over about a 85°F temperature change.
That was less of a pressure drop than I was expecting.
So the danger of it getting cold out side and making the tires go flat has been removed as a possibility.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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