[39chevy]

When you guys say to put the temp probe in between the fins on the Rad, how does it stay their? What is the best way to install the probe to the Rad, fins? I just don't want to put this in my Hose, seems scary, leaks etc. thanks, Dana

[Pony]

I never heard of that. The probe needs to be in the coolant stream to accurately read the temperature. If your still building I'd have a radiator shop add a bung to the radiator tank for the sender. If not check to see if you have a second water temp sending unit location ( your sender for your gage will be in one but a lot of times there will be another location with a plug in it. If not you could use a late model thermostat housing with a outlet for an emission sending unit. One way or another the sensor should be in the coolant stream. ( the radiator being the preferred location.)

[39chevy]

I guess I didn't explain myself right, What I am installing is an electric fan temp switch with probe (adjustable) and I really want to install my approx 3 inch copper probe on the outside of my Rad, in or around the fins of the Rad, thanks, Dana.

[bigdog_1]

Just installed one "today", Live in Michigan and purchased it at Murreys Automotive. You stick the probe thru and measure it and break it off at break points on probe. Stick it back through the Rad and it comes with a sponge with glue on one side and then a clip you push on the end of the probe after slidding the sponge on to hold it in the radiator. worked great , mine is set for 180* and off at 160*. Hope this helps, any further info e-mail me @ bigdog@usol.com