If you are not running the OEM header tank, the best location for the
radiator pressure cap is on the top of the tank connecter to the waterpump
inlet. Typically this is on the right side. The vent tube should be as
high as possible on the tank and this can be done with the stock Generator
location. This will be the lowest pressure point in the cooling system and
is the optimum location in any case. Putting the cap on the thermostat
housing or in the outlet hose to the radiator is the worst possible
location. I've tried all these locations. Go with the current theory, you
won't be sorry.
Tom Hall
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