Quote:
Originally Posted by jwhotrod
if you know anything about how a radiator works, you know that the vertical flow radiators need to be kept completely full (puke tank) because if you get enough air in the top tank to get the volume down below the top of the core it will stop circulating and build steam.
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and if you know anything about old trucks, they all had tanks top/bot and no puke tank
all trucks and cars, ford, chevy, dodge, mack, IH, petes from model T's until 70s had vertical flow
i run truk an inch or two below the cap and never had an issue
granted, i've only driven tf trucks a couple hundred thousand miles in my life
truk only has 36,000 miles on it's rebuild, it cools fine in 105° with the AC on
yes cross flow may work at half full, but why would do that?