maxbraketorque
NAXJA Forum User
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Just got out for an around town errand that included both some highway and stop-n-go. Without a doubt, my new setup cools better on the highway (tstat sits 1-2 steps lower in temperature than before when monitoring OBD-II), but at the same time, it cools more poorly when sitting at a stop light (temperature will steadily rise until I turn on the efan whereas before that wouldn't happen) which is an interesting dichotomy.
But of course, I made this a complicated comparison because not only did I swap radiators, I swapped a standard GMB water pump for the Hesco water pump (which is a standard GMB with the Hesco impeller), and I installed the Hesco high flow water neck. BTW, the casting for the Hesco water neck is not so great. I had to port the flow path to the cabin heater core to get it back to near stock size, and there were some nasty casting lines where the radiator hose attaches that I also had to clean up.
But of course, I made this a complicated comparison because not only did I swap radiators, I swapped a standard GMB water pump for the Hesco water pump (which is a standard GMB with the Hesco impeller), and I installed the Hesco high flow water neck. BTW, the casting for the Hesco water neck is not so great. I had to port the flow path to the cabin heater core to get it back to near stock size, and there were some nasty casting lines where the radiator hose attaches that I also had to clean up.