better Themostat for the 6.0? - Diesel Forum - TheDieselStop.com
Upgrades and Aftermarket - 6.0L Engine Upgrading or adding OEM or aftermarket equipment to your 2003-Up Super Duty or Excursion with 6.0L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

 
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post #1 of 8 (permalink) Old 04-20-2019, 03:29 PM Thread Starter
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better Themostat for the 6.0?

Hello,
does anyone know a thermostat for the 6.0 that opens more/wider, or can I machine it, for more opening at operating temperature?
My coolant is since the EGR delete approx. 10F colder in comparison with EGR cooler. (coolant pressure now 0-7 psi, with EGR cooler up to 18psi)
My camper is very heavy with 6.5 metric tons.
Today I measured the temperatures at the upper and lower radiator hose. At ECT 84C (183F) on the display there is only 66C (151F) on the upper hose and 44C (111F) on the lower hose. I think, the thermostat does not open completely. When I remove the thermostat, the engine warms up very slowly.
Is there a thermostat that opens further, so let more coolant to the radiator?

Thanks from Germany





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post #2 of 8 (permalink) Old 04-20-2019, 06:02 PM
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Before you start machining the thermostat I think you have some gauge or measurement errors. I don't understand how the top rad hose can be 18 degrees C cooler than the engine temperature. That's a huge delta - I don't believe it.

2006 F250 6.0 4x4
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post #3 of 8 (permalink) Old 06-01-2019, 11:20 PM
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Part of the cooling problem is the coolant kind of dead ends at the back of the heads. I had to tap the back of the heads and put bypass lines up to thermostat, this increased flow dramatically and cooling.

K3 F350 6.0l 4x4, Crew cab, Lariat, shortbox, T.red, 285 BFG All Terrains, Sirius Radio, SS Grille, Silverstar fog and headlights, Boost and Fuel pressure gauges-Lunar Series Autometer. KYB MonoMax shocks 5w40 Delvac 1 14.7 mpg town.
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post #4 of 8 (permalink) Old 06-02-2019, 09:47 AM Thread Starter
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thats interesting. Do you have pictures of your upgrade?
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post #5 of 8 (permalink) Old 09-16-2019, 03:22 PM
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Check this site
powerstrokehelp.com

2004 F250 4x4 Lariat CC Mostly Stock
Fumoto oil drain valve.
Mishimoto Coolant Filter.
Replaced Coolant Cap 2016
Blue Spring
Rotella ELC Coolant
.
replaced 110 amp alt with 185 amp alt.
.
at 88k miles 2019
powerstrokehelp.com
ARP studs
o-ring heads
bulletproof diesel water pump
rear head coolant bypass to therm housing
oil to water heat ex-changer replaced
hpop replaced (it was right there)
replaced top and bottom rad hose, coolant overflow return hose and reservoir (another new cap)
new belt, pulleys and tension-er
rear end service
transfer case service
transmission serviced (2nd time)
u-joints replaced, center bearing replaced, balanced shaft.
first brake job:
4 rotors replaced (due to warping)
4 calipers replaced
carbon/ceramic pads
EGT sensor added
Edge CS2 added
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post #6 of 8 (permalink) Old 09-16-2019, 03:26 PM
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Also the oem therm was open at 192F(?), I have a 188F installed to open sooner.

2004 F250 4x4 Lariat CC Mostly Stock
Fumoto oil drain valve.
Mishimoto Coolant Filter.
Replaced Coolant Cap 2016
Blue Spring
Rotella ELC Coolant
.
replaced 110 amp alt with 185 amp alt.
.
at 88k miles 2019
powerstrokehelp.com
ARP studs
o-ring heads
bulletproof diesel water pump
rear head coolant bypass to therm housing
oil to water heat ex-changer replaced
hpop replaced (it was right there)
replaced top and bottom rad hose, coolant overflow return hose and reservoir (another new cap)
new belt, pulleys and tension-er
rear end service
transfer case service
transmission serviced (2nd time)
u-joints replaced, center bearing replaced, balanced shaft.
first brake job:
4 rotors replaced (due to warping)
4 calipers replaced
carbon/ceramic pads
EGT sensor added
Edge CS2 added
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post #7 of 8 (permalink) Old 09-16-2019, 03:49 PM Thread Starter
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I didnt find infos there about "bypass lines" ??
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post #8 of 8 (permalink) Old 09-17-2019, 11:32 AM
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https://www.dieselpowerproducts.com/...4aAiPcEALw_wcB

2004 F250 4x4 Lariat CC Mostly Stock
Fumoto oil drain valve.
Mishimoto Coolant Filter.
Replaced Coolant Cap 2016
Blue Spring
Rotella ELC Coolant
.
replaced 110 amp alt with 185 amp alt.
.
at 88k miles 2019
powerstrokehelp.com
ARP studs
o-ring heads
bulletproof diesel water pump
rear head coolant bypass to therm housing
oil to water heat ex-changer replaced
hpop replaced (it was right there)
replaced top and bottom rad hose, coolant overflow return hose and reservoir (another new cap)
new belt, pulleys and tension-er
rear end service
transfer case service
transmission serviced (2nd time)
u-joints replaced, center bearing replaced, balanced shaft.
first brake job:
4 rotors replaced (due to warping)
4 calipers replaced
carbon/ceramic pads
EGT sensor added
Edge CS2 added
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