thermostat question
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Junior Member
Joined: Aug 2000
Posts: 9
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From: edmond, OK USA
thermostat question
has anybody replaced their thermostat with a cooler one, if so how did the truck run? has it been proven that a cooler thermostat is not good for your engine?
Senior Member
Joined: Jun 2000
Posts: 237
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From: Buena Vista CO USA
According to Mike Troyer the Tritons are designed to provide best performance etc. at 190-196 degrees, he does not recommend changing to a cooler thermostat.
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2000 F-150, XLT, SPORT 4X4, BRIGHT RED/DARK GRAPHITE, SUPER CAB,
SHORT BED, 5.4L, AUTO, 3:55LS, TOW PACKAGE, HD COOLING/ELECT, SKID PLATES
SPORT CLOTH SIX WAY POWER CAPTAIN'S CHAIRS, CONSOLE, SINGLE CD,
CRUISE,ESOF,REMOTE KEYLESS, FORD SNAPLESS TONNEAU COVER, FORD BEDLINER,
FORD MOLDED SPLASH GUARDS, FORD BODY COLOR CABSTEPS,
MODS: CATCH ALL FRONT MATS, LUND DEFLECTOR, FORD VENT SHADES,
GIBSON SWEPTSIDE CATBACK,
K&N GENII FIPK,
FORD HITCH COVER
NEXT: SUPERCHIP!!
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2000 F-150, XLT, SPORT 4X4, BRIGHT RED/DARK GRAPHITE, SUPER CAB,
SHORT BED, 5.4L, AUTO, 3:55LS, TOW PACKAGE, HD COOLING/ELECT, SKID PLATES
SPORT CLOTH SIX WAY POWER CAPTAIN'S CHAIRS, CONSOLE, SINGLE CD,
CRUISE,ESOF,REMOTE KEYLESS, FORD SNAPLESS TONNEAU COVER, FORD BEDLINER,
FORD MOLDED SPLASH GUARDS, FORD BODY COLOR CABSTEPS,
MODS: CATCH ALL FRONT MATS, LUND DEFLECTOR, FORD VENT SHADES,
GIBSON SWEPTSIDE CATBACK,
K&N GENII FIPK,
FORD HITCH COVER
NEXT: SUPERCHIP!!
Junior Member
Joined: Mar 2000
Posts: 7
Likes: 0
I was also wondering about changing out my thermostat but to increase the cab-temperature not necessarily hp. Live in Alaska and the heater on my 97' F250 LD doesn't seem to be cutting it. Don't really want to sacrifice 3 mpg, but am interested in more heat! Any suggestions?
Senior Member
Joined: Sep 2000
Posts: 143
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From: Gilbert, AZ, USA
~2 weeks ago, I installed water temp, and oil pressure gauges on my F150.
The water temp does stay a consistent 180-190 after warm up. With the super cooling package on the F150's, they seem to stay pretty cool.
In Alaska, you may want to try a leather or vynil (I think) cover for the front of the truck. Kind of like what the big semi's use in the winter. However, I wouldn't do this without first installing a water temp gauge to help gauge how much airflow you really need so it doesn't overheat.
If anyone is interested in installing the water temp gauge, let me know and I'll post it in a separate thread, along with some images and key learnings.
Hope this helps.
Tony
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97 F150, 5.4l, E4OD, Towing Package, and every option except leather seats
The water temp does stay a consistent 180-190 after warm up. With the super cooling package on the F150's, they seem to stay pretty cool.
In Alaska, you may want to try a leather or vynil (I think) cover for the front of the truck. Kind of like what the big semi's use in the winter. However, I wouldn't do this without first installing a water temp gauge to help gauge how much airflow you really need so it doesn't overheat.
If anyone is interested in installing the water temp gauge, let me know and I'll post it in a separate thread, along with some images and key learnings.
Hope this helps.
Tony
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97 F150, 5.4l, E4OD, Towing Package, and every option except leather seats
Senior Member
Joined: May 2000
Posts: 1,002
Likes: 0
From: Oregon
this is true. Most of the Ford engine computers since like 87 have been setup with the optimum heat range of about 190-195.
yes, you will get a few more HP out of the engine, especially at highway speeds. But when I put a 180 in my mustang, my mpg suffered about 3mpg. I guess it is a tradeoff.
yes, you will get a few more HP out of the engine, especially at highway speeds. But when I put a 180 in my mustang, my mpg suffered about 3mpg. I guess it is a tradeoff.
AKFisinFool, I live in Fairbanks and my '98 puts out plenty of heat. The truck has a Lund Cold Front. I had trouble with my car not putting out heat, the cable to the blend door was out of adjustment and the air from the heater was luke warm. After adjustment it puts out heat.