My motor runs cool....maybe too cool?

Scody21 said

What radiator, fan, water pump setup on what motor we talking about? I’m running 175-180 with BeCool rad, high flow pump, dual electric fans, no thermostat... if I leave both fans on during a 60mph Run, car will be running 160 or so...

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340 .30 over. TRW flat top pistons. Mopar steel crank, Mopar performance rods. ARP fastners. Holley Sniper EFI with Hyperspark distributor. Edlebrock Aluminum Heads. Weiand Aluminum Intake. hydraulic roller cam. 490/490 lift, 262 duration. 10.5-1 CR. MSD Blaster SS Coil. 8mm Plug Wires. Aluminum Radiator. 6-Blade Aluminum Cooling Fan. Hooker Ceramic Coated Long Tube Headers.

I have no idea what the water pump set up is other than it appears to be stock. My engine use to run around 160-170, sometimes reaching 190 on a hot day. Now that the weather is cooler, I haven't seen temps over 150 even after running for 20 minutes.