You might consider doing the pressure sensor in the output line and the temp in the return line.
Th350 temp sensor location.
Th350 temp sender location.
On gm th 350 th 400 th 700r4 and powerglide transmissions this is the upper oil line to the transmission case.
Black buick chevy oldsmobile pontiac th350 each part number.
On a th350 with a stock depth pan i m going to put my sender on the edge of the pan facing the front of the car between the first and second bolt holes.
To lower the transmission temperature with the transmission in neutral run the engine at 1 200 rpm for 2 3 minutes to cool the oil.
Rear of the transmission case.
Select your preferred location and we ll note which parts are ready to be picked up today.
It is the mileage on your body that adds up.
Do not allow the converter outlet temperature to exceed 300f.
Th350 have a temp gauge sender and a 200 deg temp switch sender for a fan.
For example if you consistently see the out line temp at 230 degrees on a pass and it suddenly jumped to 260 degrees you would start looking for a problem where the pan may only change by 1 or 2 degrees.
Than i got the idea to remove the test port plugs and install there but don t know if it will affect the reading or not.
Using the trans line will give you an indication of a problem before a pan temp sensor ever will.
If the temperature reaches 300f 350f reduce throttle.
Dont worry how old you are.
Someone makes a t block with a fitting that you could screw a temp sensor into.
If you need 2 inches inside the pan are you using mechanical temp sensor.
The temperature in this location will vary significantly with each vehicle start up or hill.
Find automatic transmission pans with temperature sender bung included and get free shipping on orders over 99 at summit racing.
If i were going to install a temp gauge for the trans fluid then i d plumb it into the cooling lines somewhere.
This location is recom mended to monitor the true transmission temperature.
