quick temp questions!!
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Freshman User
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quick temp questions!!
hey guys, been a while since ive been on, last week i killed my 92 f150, and because of all the new parts i decided to put in a reman engine, well thats all done and dandy. now on to the questions...i put in an aftermarket gauge set (temp and oil) so i need to know what is the normal operating temp of the 5.8 in these trucks, also i read that the computer needs the stock coolant temp sensor for the air/fuel mix after the engine warms up. is this true? i will run to town and get a t-fitting for the intake to fit both sensors tonight, but when my motor fried my gauge never showed more than between the "L" and the end of the normal range, so the sensor is probably bad.
thanks in advance!
thanks in advance!
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
Should run a 195deg thermostat to ensure it runs at around 180deg.
Is it true yes it it however both the dash gauge and computer use two different sensors on the motor to monitor engine coolant temp so you shouldn't have any need install a Tee provided you did not molest the sensor for the computer.
Sensor for dash temp gauge has one wire connected to it, computers sensor has two wires to it.
when my motor fried my gauge never showed more than between the "L" and the end of the normal range, so the sensor is probably bad
Might be a bad sensor however neither of my trucks get much beyond the N in normal if that when up to normal/full running temp. So yours getting to or near the L might suggest it was in fact running pretty hot.
Did you replace or at least flush the radiator for the new motor? You do not want it running "Hot".
Is it true yes it it however both the dash gauge and computer use two different sensors on the motor to monitor engine coolant temp so you shouldn't have any need install a Tee provided you did not molest the sensor for the computer.
Sensor for dash temp gauge has one wire connected to it, computers sensor has two wires to it.
when my motor fried my gauge never showed more than between the "L" and the end of the normal range, so the sensor is probably bad
Might be a bad sensor however neither of my trucks get much beyond the N in normal if that when up to normal/full running temp. So yours getting to or near the L might suggest it was in fact running pretty hot.
Did you replace or at least flush the radiator for the new motor? You do not want it running "Hot".
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yes, i actually had it boiled out, it was full of oil, (FYI, the block cracked, no i dont have the oil cooler, and the trans cooler was checked)-i was barraged with these questions all around town when it happened, its a disclaimer lol...
so then yeahh....that thing baked
so 180 is a good avg temp? mine seems to run around 190-195 and it seems like it always has
and i did leave the computer sensor wrong
Also i was wondering is there a way to clear the odometer, the transmission had like 5 k on it when i bought it so with the new engine id like it to say 0.0 lol
so then yeahh....that thing baked
so 180 is a good avg temp? mine seems to run around 190-195 and it seems like it always has
and i did leave the computer sensor wrong
Also i was wondering is there a way to clear the odometer, the transmission had like 5 k on it when i bought it so with the new engine id like it to say 0.0 lol
Lead Driver
Joined: Aug 2006
Posts: 5,670
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From: Sand Lake, MI
190-195 is fine and in fact 180 might even be little too cool now thinking about it little more.
I think you can actually have the odometer reading changed but not a simple thing to have done, have to take it to a dealer to do it. That and they would not set it to zero regardless, only changed to reflect currant actual mileage reading for say as an example an odometer replacement do to original quit working.
I think you can actually have the odometer reading changed but not a simple thing to have done, have to take it to a dealer to do it. That and they would not set it to zero regardless, only changed to reflect currant actual mileage reading for say as an example an odometer replacement do to original quit working.
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alright,thanks!i took the speedo out to see if there was a backup battery in it and there wasnt, ill do a little more reserch and ill call the ford dealer monday, with any luck, i should be able to get them to set it back to zero
one more quic question, theres a 94 in the picnpull with the tach dash and digital speedometer, will this plug right in and have a working tach,
sorry about spelling and grammar, im on my phone
one more quic question, theres a 94 in the picnpull with the tach dash and digital speedometer, will this plug right in and have a working tach,
sorry about spelling and grammar, im on my phone
Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
alright,thanks!i took the speedo out to see if there was a backup battery in it and there wasnt, ill do a little more reserch and ill call the ford dealer monday, with any luck, i should be able to get them to set it back to zero
one more quic question, theres a 94 in the picnpull with the tach dash and digital speedometer, will this plug right in and have a working tach,
sorry about spelling and grammar, im on my phone
one more quic question, theres a 94 in the picnpull with the tach dash and digital speedometer, will this plug right in and have a working tach,
sorry about spelling and grammar, im on my phone
Better wait deal with dealer until after you change it unless you can use your POSM in it.
Posting Guru
Joined: Apr 2011
Posts: 1,119
Likes: 1
From: Hartland, WI
The thermostat begins to open at 195, operating temperature is usually 200-210 depending on ambient temperature, load, etc.
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Freshman User
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remember i currently dont have a tach (Sorry if i didnt explain this) so this means that the Tach dash will plug in and work? or should i just get an aftermarket sunpro? the after market would definately look cooler lookin through the window tho...lol
Thanks!
Thanks!
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Lead Driver
Joined: Aug 2006
Posts: 5,670
Likes: 13
From: Sand Lake, MI
All I did to install it was plug it in, the tach worked just fine. Keep in mind I had a V8 so I requested one from a truck with a V8 just to be sure it work right/read rpms correctly.
Posting Guru
Joined: May 2007
Posts: 1,208
Likes: 2
From: North Reading Mass
The 94 will not be plug and play in a 92 without some rewiring. The alternator won't get its 12v trigger voltage.
92 and 93 are the same and the 94 and 95 are interchangable. The 96 is different.
regards
rikard
92 and 93 are the same and the 94 and 95 are interchangable. The 96 is different.
regards
rikard
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