Bang Bang
Age is a state of mind.
My 97 LX runs at 195 around town and on the interstate. Sits at 200 when on the trails. That's what the scanguage tells me. 
What is the normal engine temperature fzj80 (2 Viewers)
- Thread starter terrance lim
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or, on early 80s, get a Koso gauge - same numbers obsessing, though
My 97 LX runs at 195 around town and on the interstate. Sits at 200 when on the trails. That's what the scanguage tells me.
just about right for our 80 here in Baton Rouge, too
now, the LX in Arizona can run hotter, depending on outside temps - waiting at stop lights in town got to the hottest temperature of 213 this summer so far
swamp-thing
SILVER Star
For me 181-185 seems to be the normal & 195-200 on the mountain passes of colorado - on hot days more noticeable than cool days. not sure why - but have the Ultra Gauge, and live on a pass, so every time I drive I watch the pass temps rise on my way home. hope that helps ya!
Same as the swamp-thing. 180 is the norm, then it goes up in traffic or on hills. Rarely see it over 200, and I have my Ultra Gauge alarm set at 200.
LC4LIFE
Supporting Vendor
Mine runs 184-190 normal driving. When I pull my large tent trailer, loaded with 6 people in the cruiser, all the gear and bikes, I hear my tuned blue-hub fan clutch kick in at 198 and the temp then slowly goes towards 203, but rarely hits 205. This even up the long Colorado mountain passes. I've been on a scale loaded like this and I am right at 11K lbs.
A few more data points on normal. With the AC on 200-205 seems average. No AC 195-200. In the winter the 180's. I regularly have to turn off the AC when going over the passes in CO in the summer. This summer i have started to need to run the heater when pulling a loaded trailer over the passes. I foresee a new radiator and other cooling PM work in my future.
I'm in Reno where it can get up to 120 deg. My rig is well armored and has an SC. My A/C used to crap out routinely until I replaced the fan clutch (thanks guys for the input on that)... Now the temps run 180-210, rarely 220 if I'm pulling hard up a trail. The A/C never fails.
I have noticed the SC does not function well when the temp is pushing 210-220. Might be due to it having to work against the fan...
I have noticed the SC does not function well when the temp is pushing 210-220. Might be due to it having to work against the fan...
ppc
M Go Blue
There is a correlation between the two as the same belts that drive the alternator drive the water pump. Check the belt tension. The 94 is not ODBII compliant so scangauge or ultra gauge will not work.
after I replaced my fan clutch to a blue hub/20k oil, on the hottest days it got up to 212/214 ish. that was in the sand at low speed. it did run cooler with the lockers on.
surfpig
The Anti-Tech
Mine seems to like 190. It'll run like that all day long. Today (104*) in stop and go traffic (and stuck at a train crossing). Long grades in this kind of heat it'll go to just over 200. Coasting and downhill it'll drop to like 186 or something.
- Blue hub/~12500, pretty new radiator/cap
- Blue hub/~12500, pretty new radiator/cap
NLXTACY
Wits' End
Here is how my truck is running. The low IA # is thanks to the snork.
LFD2037
TEXAS LEXUS!
Why only 12.4V? Mine's never in the 12's even w/brights on, LED light bar on, A/C on high, radio on & in gear stopped w/foot on brakes. W/just A/C & radio it's 14V+.
NLXTACY
Wits' End
LFD2037
TEXAS LEXUS!
That sucks. I'm still running the stock alt.Because my Sequoia 150A alt is dying a slow death
NLXTACY
Wits' End
Yeah my original was fine. I did the Photoman upgrade about 4/5 years ago. Time to replace it.
93yotasr5
Come and take it
Go with a KOSO slim gauge off of amazon. They are about 50$ and require 2 wires to be hooked up. Super easy.
I run around 185 in the am and under 95*days and 195on hot summer days or big grades. typically.
I run around 185 in the am and under 95*days and 195on hot summer days or big grades. typically.
Is it dying a slow death or is the low idle speed of the 80 just not turning the alt fast enough to generate juice? Has it always been low? I do know at one point there was a smaller pulley right?
Just curious as I am going to need the extra juice for my build since I am going to do electric fans, electric water pump and 2 fuel pumps.
Just curious as I am going to need the extra juice for my build since I am going to do electric fans, electric water pump and 2 fuel pumps.
NLXTACY
Wits' End
It's definitely a slow death. Voltage output has been decreasing over the past 1000 miles. I have the smaller alt pulley and the smaller water pump pulley so that I can get the most out of it at low speed/idle.
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ppc
M Go Blue
I hope you mean larger crank pulley otherwise your alternator and water pump will be turning slower.
richardlillard1
SILVER Star
I dont see the fuss, just do the temp-gauge mod! No, not the one everyone does to the 80-series ohms in the cluster. PM @ChaseTruck for details. If we're really lucky, he might share some secrets in this thread!
