Correct thermostat 460
Senior User
Joined: Aug 2016
Posts: 182
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From: Mukilteo WA
OEM is as Warhorse said, though Scotty the Mad Porter from the 460ford.com forum recommended a 160 high flow for mine as a mild performance build. Scott built mine so I go with his recommendatation, no idea if that applies to a stocker. Here's a link to that question and answers on that forum.
Recommended Thermostat Temperature - 460 Ford Forum
Recommended Thermostat Temperature - 460 Ford Forum
Post Fiend
Joined: Feb 2008
Posts: 5,831
Likes: 121
From: St Albert, Alberta
The original from Ford as built was a Robertshaw 205°F Hi Flow T stat. See below.
If you are not going to use a hi flow stat then 195°F If you are regularly hauling heavy loads or towing heavy trailers and finding that the engine is getting to hot with the 195°F step down to a 180°F.
On a regular street driven vehicle with a properly operating cooling system you never want to run any thing colder than 180°F, cylinder wear goes up drastically once you start running an engine below 180°F. See below
Senior User
Joined: Jan 2006
Posts: 118
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From: Montana
Motorcraft RT-1067-A comes up on Ford Parts. Not stated in description but I believe it's a 190-something stat. I use this stat in my 460 under all conditions and it's been very consistent. Also, the nice thing about Motorcraft stats is they have a nifty little bleeder valve that makes filling coolant a cinch without creating air locks in the engine.
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Cargo Master
Joined: Nov 2011
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From: Great American SouthWest
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Cargo Master
Joined: Nov 2011
Posts: 3,354
Likes: 49
From: Great American SouthWest
Thanks, again, everybody for the info on the thermostat. On Sunday, I installed the new thermostat, flushed the cooling system, and refilled with three gallons of Prestone concentrate.
Heater works great, truck warms-up nicely, and both gauges reflect the expected temps.
Very happy
Heater works great, truck warms-up nicely, and both gauges reflect the expected temps.
Very happy
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