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Old 08-17-2015, 02:40 PM   #1
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38 foot pace 460

I'm running just under 230 in 100 degree heat. Is that ok

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Old 08-17-2015, 06:50 PM   #2
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What's the normal (thermostat opens) temp for that engine? 195? The engine is probably ok at 230, but the transmission may be out past the edge of its comfort zone. Check the tranny fluid for discoloring or a burnt smell after running at those temps for more than a few minutes.

Newer engines and trannies can run all day at 215.

Gary Brinck
Former owner of 2004 American Tradition
Home is in the Ocala Nat'l Forest near Ocala, FL
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Old 08-18-2015, 10:13 PM   #3
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Ok thanks
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Old 08-18-2015, 11:57 PM   #4
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Is the fan clutch engaging? If the gauge reading is correct the clutch should be engaged and the fan will be very loud.
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat 6.0 Diesel Crew Cab DRW, 4X4, B&W Custom Truck Bed, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000, 1994 36ft Avion 5er, GVWR 13,700
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Old 08-20-2015, 09:04 PM   #5
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When was the last time your cooling system was serviced? I would also install a 185* thermostat. Those Ford 460s run lean and at high RPMs for a V8. That creates a lot of heat. Try a product called Water Wetter and add it to your coolant. It might help. You can buy it at any parts supply store.

Craig & Carolyn Roberts Apple Valley, CA
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Old 08-20-2015, 09:13 PM   #6
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Putting a lower t stat will NOT lower your engine temp, if the motor is running at 230 doesn't matter if your running a 160 t stat, t stats are for getting your engine at operating temperature faster.

you have a cooling issue, most engines run at 210, your have to address the cooling issue not cover it up.

I see temps at 220-230 going up 6% grades, flatland should run at 210.

Im in NM, so average temp here is 90-100s all summer long

Radiator could be clogged, or just dirty with bugs and dirt on the outside of it.

Fan clutch might not be engaging

2005 Tiffin Allegro Bay 37DB
W22 Workhorse Chassis 8.1 Flat Towing a 82 Jeep CJ7
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