Hit the star under this post if it was any help to you =D. With a properly pressurized cooling system, coolant will not freeze until –30°F, and it won’t boil until +270°F (new oils don’t start to break down until well over 270°F). In stop-and-go traffic and heavy acceleration, however, oil temperature usually gets much higher than coolant temperature. Once you're out on the track for half a lap or so, your coolant temps are going to be in the 200 range anyway so the thermostat is fully open regardless. A system with 15 psi cap will add 45 degrees for a final boiling point of 268 degrees. whats the average temp of a ls1? When the A/C is on and the coolant temperature reaches 85°C (185°F), the low speed cooling fan will be turned on at vehicle speeds less than 56 kPh (35 mph). You can use a low temp as a "band-aid" at the track sometimes. The temperature of the coolant can rise above 212F degrees because coolant is pressurized (NOT because the water is mixed with antifreeze). You will search for the sensor within the engine block itself, using a drop light if you need help to see it better. So your th350, th400, 700r, early 4l60e, early 4l80e, etc, will need to have one of these crank spacers. Messages: peterbilt coolant temp sensor, Step 1 - Locate Coolant Temperature Sensor. Should I put my coolant temperature sending unit in the head or in the intake manifold next to the thermostat housing/coolant outlet? ... With a pressurized cooling system and coolant,your boiling temp should be about 250 degrees. For the new coolant temp sender, there’s a convenient bung at the front of the passenger-side cylinder head, but removing it can require a bit of oomph due to the use of thread sealant. It would be easier for me to put it in the intake manifold. It seem to be about ideal for an LS motor. however, I want to get the correct reading. As a general rule of thumb, after the car is warmed up, oil tends to be a few degrees warmer than the coolant (usually 10-15 degrees Fahrenheit). Apr 18, 2010 #2. The infrared thermometer aimed at the water temp sending unit shows 165 to 185 which I believe is normal. “crank spacer” is a bit of a misnomer. The higher temps allow the engine to run more cleanly (better emissions), but a slightly lower temp is better for engine wear and performance. Idle Air Flow vs. Coolant Temp vs. (Gear & P/N): This table is used to determine the base airflow (in g/sec) for the IAC/ETC control vs Engine coolant temperature. If an air pocket forms due to a leak or due to a pressure … IDEAL (Rich) (Lean) Base (ltrims) - 0 + (Lean) ... Change all points in the Closed Loop Enable Coolant Temp vs IAT table back to stock (re-enables closed loop operation and fuel trim leaning) 12: Change all points in the Power Enrich Fuel Multiplier vs. RPM table back to stock (re-enables PE mode) ... LS1 … 95 camaro coolant temp sensor, Sometimes for days at a time, then it acts up and stalls. The high speed cooling fan is commanded on when the coolant temperature reaches 113°C (235°F). This device works on the principle of dependence of potential difference in temperature. Perhaps I'm overthinking the difference between rad. It can collect contaminants including oil and corrosion that mix with the coolant and make it less effective in keeping your … Coolant travels through the hoses, and is needed to keep many of your vehicle’s systems operating smoothly. It turns out that coolant (usually a 50/50 mixture of coolant and water) has some fantastic properties that are ideal for use in engines. coolant temp and cyl. If you want to run the engine cooler, change the thermostat and reprogram the thermo fans to come on earlier. $44.99. It was modelled on the actual LS1 engine and is race proven at Formula Drift. Brian flynbrian48, Nov 14, 2012. The coolant temperature sensor, abbreviated as CTS, in your car is an important device that enables the control unit to give alerts if the engine is overheating or if the temperature within the system is rising for some reason. What do you think? The acceptable range for an engine to run at sits between 195 degrees and 220 degrees Fahrenheit. Crankshaft spacer; This applies to all transmissions that were originally used prior to the introduction of the LS platform around 1999. Designed around the widely available GM-style Intake Fluid Temperature Sensors, the FAST® Fluid Temp Sensor & Converter Kit is ideal when trying to measure engine oil, coolant, transmission, intercooler/heat exchanger fluids and rear differential temps. Coolant travels through the block, up in to the cylinder heads, and out of the engine at the thermostat housing. 16. The normal operating temperature of the coolant in an engine is about 210F to 240F degrees. Profile Page. I noticed that both fans came on while my scanner was hooked up, but thought I turned them on by mistake. Thanks, NYH1! This assumes a person is running a 50/50 mix of antifreeze and water. SHARE POST #1. Cars often have the coolant for the engine as a heat exchanger for the transmission fluid and therefore, they will often hold the same temperature if you are driving it normally. The Coolant Temperature Sensor's Function. The coolant temperature sensor is located on the engine block under the hood. Joined: Sep 12, 2003 Posts: 42,180. On a C5 motor with a stock engine management computer (ECU/PCM), elevated coolant temps cause the PCM to retard timing, which reduces horsepower. If your ideal operating temperature is 176-180 I'd agree with setting your fan to turn on at 185, that way it kicks on whenever your coolant temperature starts to climb above that temp your fan … From there, it goes back to the radiator to be … Over time the coolant in your engine can break down. Under steady state cruising, where a constant supply of air is moving through the radiator and oil cooler, oil temps generally mirror coolant temps. More than one coolant temperature sensor may be used on some systems to determine the temperature in different locations. But don't think that the coolant gauge will tell you this information - it won't. Download Ebook Coolant Hoses Connections Engine Ls3 ... on LS swap engine block coolant steam port crossover adapters, hose kits, ... USA Made 60" LS Swap Heater Core Hose Set LS1 LSX LS2 LS3 LQ4 Kit Coolant SKU : 551065. The thermostat OPENS at 195F degrees; but, the temperature continues to rise to the normal operating temperature. The temperature inside the combustion chamber is always transient and depends upon various parameters like cooling system, load on the engine, combustion chamber shape and the like. However, it takes much longer for oil to come up to temperature than coolant. The tip of the sensor is submerged in coolant. By using this "Fan Trick" both fans turn on and remain on low-speed, keeping the coolant temperatures close to an ideal 194F while hot-lapping. Incoming search terms: 350 Sbc Engine Tempurature,Average Running Temp 97 K1500,Normall Coolant Temperature Ram 1500 5 7l,What Temp Thermostat Hemi,What Temperature Is Normal On The Water Gauge For A Tahoe,Whats A Normal Running Temp For A 5 7 Hemi,Why Is My 5 7 Ls Car Motor Running Hot My first thought was to simply wire it so the fan is on with the ignition, but since I bought the relay/sender, I outta use 'em. Chevy/GM LS Plug & Play Engine Harness for Crate Motors and Racing Engines Once you have determined which Infinity EFI ECU will best support your Chevy/GM LS M/T engine, you will need to purchase a Plug & Play engine harness (PNs 30-3532 and 30-3530). The temp gauge reads backwards, right to left, which I believe is an indication it is busted. Greg Fast (yes, the last name is spelled correctly) 1970 Camaro RS Clone 1984 el Camino 1973 MGB vintage E/Prod race car 15. Too Hot. It is turned off if the coolant temperature lowers to 108°C (226°F). The cooling fans are controlled by the PCM. ULTM8Z Veteran Member. A coolant mixture of 50% water and 50% ethylene glycol has a boiling point of 223 degrees. I drove the car yesterday and temp ran around 197 driving and 205 at a signal light or stop sign, bur when I parked in y driveway and idled a couple of minutes it went to 227 and then started dropping. The old gauge will be trashed and replaced soon. The coolant hose connector provides a … Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. Our Pro-Series is ideal for those looking for the best aesthetics, weight savings and reliability. The PCM uses the coolant sensor to indicate operating temp. Somewhat of the same problem here. Engine Coolant Temperature (ECT) Sensor Testing Made Easy. But the temperature is usually around 1500 degree Celsius. The real purpose of pressurizing is to give drivers a higher operating zone in case of extreme conditions. your coolant temp range is normal,(not ideal, but normal for a stock 1985 corvette) engine oil needs to reach and stay at about 215F-240f to lube and clean correctly and burn off moisture trans fluid I try to keep under 160F,surely below 180F , Keep in mind that many (ECT) sensor problems are more often due to; wiring faults and loose or corroded connectors than failure of the sensor itself. Therefore, A visual inspection of the (ECT) sensor will sometimes reveal a problem. Jun 16, 2010 #2 HoldenOnn Roll Cage Territory. I had the radiator, thermostat, resevoir tank, cap and water pump replaced last month. Pull the latch for the hood and open it, making sure it is secure before letting go. The Wiring Specialties Pro-Series LS1 wiring harness is a Brand New, Tucked, Plug and Play harness that was designed and tested by our in-house experts specifically for a LS1 swapped Silvia S13. The hole is an unusual size for a gauge sender, so an adapter sleeve is first screwed in, with the sender then screwed into the sleeve. Audi engines use a mix of antifreeze and water to cool the engine while it is running. If you want to keep the engine nice and cool under high load, an engine oil cooler is ideal. mine was running at 97 . head temp. Coolant with a 50/50 mix of water and ethylene alcohol (anti-freeze) can function at temperatuares as cold as negative 36 degrees Fahrenheit. Today they came on at the start of the vehicle with coolant in the 170-175 range (this makes me think coolant temp sensor is out of whack). This is used as a base setting (or startpoint) for the adaptive idle routines and also the base IAC position when the vehicle is moving. 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