overheating pulling load up grade UPDATE 7/19
Using the X to pull our TT. It weighs 6900 pounds from the factory and I would guess 8500 on the highest side once we load up all our gear.
Vehicle is an 03 Excursion 6.0 4X4 with
BPD HD oil cooler
BPD EGR Cooler
BPD water pump
BPD 7.3 fan clutch set
BPD FICM 58V
BPD Oil Bypass Filter
Sinister Diesel Coolant Filter
Mishimoto radiator
DieselSite High Volume HPOP
New ford Degass bottle and cap
New Ford thermostat
blue spring update
new ford EGR Valve
all updates done (ie turbo feed and drain tube)
all filters done
B Mod/ X mod CT Perf suspension
325/60 20 tires
Stock 3.73 gears
Tuners PHP 40 FICM Tune. SCT Tuner with their tunes.
4" exhaust No Kitty
Monitoring with EDGE CTS with EGT Probe
I think that covers the X
Like title states, towing up even the slighest grade truck climbs in temps very quickly. No loss of coolant or puking. Changed out the 7.3 fan clutch from a Murray to a Hayden. Put the new Ford thermostat and Ford Degass bottle and cap and tested again no change still overheats rapidly both with stock, 50hp and 65hp tow tunes.
Heads keep testing good but my mechanic and I are at whits end trying to figure this out. I have the money to throw at it just cant find were to throw it. We live in AZ and wife and kids don't like having to roll with the windows down AC off at 25 mph up a hill. I really don't feel like this is to heavy a load for the X. We were towing the TT with a 8.1 Suburban before and never had problems besides the 4 mpg. Needless to say wife is not happy.
Looking for advice or something we have not looked at yet that we are totally missing. Searching the forums we come up with water pump, fan clutch, radiator, heads. All of which appear to be good. Any help appreciated!
UPDATE 7/19 So while we were away on last trip put the X in the shop and had it Studded with new Ford heads and while in there threw in the Mishimito Intercooler. Got it back last Thursday. Took it to Phx for a conference over the weekend on the stock tune no problems. Drove it all week, couple of problems with AC but other than ok. Thurs - Sat thru the SCT performance tune with the Atlas 40 on it. No problems runs great. Today hook it back up to the TT for a test run and never made it to the hills Temps quickly climbed and hot up to 246 before turning around. I didnt want to risk the grades had my kids with me and didnt want to get stuck on side of road in 100 degree temps. Called up the mechanic and he is just baffled at the hole thing. Putting it back in the shop in the morning as I really want to get it sorted out. We have a trip to the White Mountains in the middle of August that will go through Salt River Canyon. Gotta be able to tow that. Any and all suggestions or ideas appreciated!
Using the X to pull our TT. It weighs 6900 pounds from the factory and I would guess 8500 on the highest side once we load up all our gear.
Vehicle is an 03 Excursion 6.0 4X4 with
BPD HD oil cooler
BPD EGR Cooler
BPD water pump
BPD 7.3 fan clutch set
BPD FICM 58V
BPD Oil Bypass Filter
Sinister Diesel Coolant Filter
Mishimoto radiator
DieselSite High Volume HPOP
New ford Degass bottle and cap
New Ford thermostat
blue spring update
new ford EGR Valve
all updates done (ie turbo feed and drain tube)
all filters done
B Mod/ X mod CT Perf suspension
325/60 20 tires
Stock 3.73 gears
Tuners PHP 40 FICM Tune. SCT Tuner with their tunes.
4" exhaust No Kitty
Monitoring with EDGE CTS with EGT Probe
I think that covers the X
Like title states, towing up even the slighest grade truck climbs in temps very quickly. No loss of coolant or puking. Changed out the 7.3 fan clutch from a Murray to a Hayden. Put the new Ford thermostat and Ford Degass bottle and cap and tested again no change still overheats rapidly both with stock, 50hp and 65hp tow tunes.
Heads keep testing good but my mechanic and I are at whits end trying to figure this out. I have the money to throw at it just cant find were to throw it. We live in AZ and wife and kids don't like having to roll with the windows down AC off at 25 mph up a hill. I really don't feel like this is to heavy a load for the X. We were towing the TT with a 8.1 Suburban before and never had problems besides the 4 mpg. Needless to say wife is not happy.
Looking for advice or something we have not looked at yet that we are totally missing. Searching the forums we come up with water pump, fan clutch, radiator, heads. All of which appear to be good. Any help appreciated!
UPDATE 7/19 So while we were away on last trip put the X in the shop and had it Studded with new Ford heads and while in there threw in the Mishimito Intercooler. Got it back last Thursday. Took it to Phx for a conference over the weekend on the stock tune no problems. Drove it all week, couple of problems with AC but other than ok. Thurs - Sat thru the SCT performance tune with the Atlas 40 on it. No problems runs great. Today hook it back up to the TT for a test run and never made it to the hills Temps quickly climbed and hot up to 246 before turning around. I didnt want to risk the grades had my kids with me and didnt want to get stuck on side of road in 100 degree temps. Called up the mechanic and he is just baffled at the hole thing. Putting it back in the shop in the morning as I really want to get it sorted out. We have a trip to the White Mountains in the middle of August that will go through Salt River Canyon. Gotta be able to tow that. Any and all suggestions or ideas appreciated!