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    Coolant Temperature: Fan at Highway Speed

    I've been chasing around high coolant temperatures for a while now 220-230*F at highway speeds unloaded 2003 Ram 1500 4.7L I replaced the entire cooling system: water pump, radiator, fan clutch, hoses, coolant, expansion tank, cap, tstat I replaced certain things twice: thermostat, cap Purged...
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    A/C Condenser Fan Turning On Randomly

    I noticed the fan turns on when the HVAC system is off it only seems to happen when engine coolant temps are ~220 Is this programmed in the computer to help engine cooling? I don't even think that fan can help with engine cooling. I have a 2003 with the 4.7L with the stock mechanical fan...
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    4.7L Thermostat 180*

    I've read that Motorad is the/a supplier for Jet thermostats The Jet 180* tstat is #10177 Motorad 180* tstat is #420-180 compatible with 4.7L As far as I can tell they are the same product. Jet tstat is over $30 more. I'll be trying out the Motorad in my 4.7
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    Exhaust Manifold Heat Shield?

    Do 02-07 Ram 4.7L have heat shields on the exhaust manifold? My 2003 doesn't. I found OEM shields for the 4.7 dakota and durango, but not the ram. Im wondering if I should bother adding heat shields? Thanks.
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    5.7L Mishimoto Radiator into a 4.7L?

    I have a 2003 Ram 1500 with the 4.7L. I'd like to install a Mishimoto radiator in my 4.7, but they only make them for 04-08 Hemi 5.7 with the fill neck. 2003 trucks dont have the fill neck on the radiator. Based on the specs i've seen, the 02-08, 4.7 and 5.7 radiator mounting points are the...
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    Radiator / Coolant Flush Question

    I've searched the forums about how to drain the coolant. I have a dumb question... everyone mentions the "radiator cap". I only see a cap on the small tank up top. Wheres the radiator cap? Is that it? Thanks! P.S. Just became the proud owner of an 03 Ram 1500 4.7L.
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