Adding a second temp sensor-ideas? |
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russosborne
Senior Member Joined: 01-January-2015 Location: Glendale AZ Status: Offline Points: 664 |
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Posted: 23-December-2018 at 7:39PM |
I need to add a real temp sensor for my electric fan, to replace the temporary one I am using that just has a probe that goes in the radiator fins. It works, but was always intended just to get the car on the road until I could do it right. Seeing as these engines have a dry intake I am really out of ideas. The only one I really have is to add a sensor into the upper radiator hose. Not thrilled with the idea, it looks cheap, but if that is the only way I will have to do that. I do have the adapter thing that you cut the hose and put this in the middle already and a BMW 2 temp sensor, since I have the 2 speed Lincoln fan. I've heard about doing it in the heater hose, but I am not too sure about that. If the heater isn't on, does the coolant still flow in the hoses? Anyone have any ideas on how to add one to the engine itself, or that has done the heater hose version? When I first started this I didn't know about the dry intake. Thought it would be easy to just tap into it. Thanks, Russ
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aquartlow
Senior Member Joined: 19-December-2011 Location: Summerfield, Fl Status: Offline Points: 2270 |
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I run dual electric cooling fans with two separate Derale controllers and I installed a "T" (to allow the secondary fan's sensor to be installed) in my heater hose that leads to the heater core using parts sourced from Lowes due to them being metal and not plastic, works great and I have had no issues with it. I will tell you I use adjustable temp controllers and the senders do not have to be grounded to work correctly. The black iron "T" I used has the straight through portion of the fitting with brass 5/8" heater hose barb fittings installed and the 3rd leg came with 3/8" NPT that needed no adapter for the Derale sender. Prior to installation you can prime and paint the "T" fitting black to be much less noticeable. Hope this helps.
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russosborne
Senior Member Joined: 01-January-2015 Location: Glendale AZ Status: Offline Points: 664 |
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Thanks. That could work. Think my BMW sensor is metric, but I can work around that. Russ
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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cleveland? both of the clevelands in the parts cars had a sensor in the thermostat water neck for a smog fitting temp sensor besides the temp gauge sensor down in the block i should have 1 of laying around in the garage...
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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russosborne
Senior Member Joined: 01-January-2015 Location: Glendale AZ Status: Offline Points: 664 |
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Yep.
That would be what I really need if you have any. Thanks, Russ |
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ilyes
Senior Member Joined: 09-January-2010 Location: Philadelphia PA Status: Offline Points: 3782 |
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I have the EFI sensor by the thermostat, and a second sensor for a gauge in the water pump. Reading differ by 3-5 generally (water pump reads a bit cooler).
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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russ, i'll look for it when i got back out to the garage in a few.....
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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russosborne
Senior Member Joined: 01-January-2015 Location: Glendale AZ Status: Offline Points: 664 |
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Thanks. No rush though, going to be a bit and a half or more before I get really back to the Ranchero. Russ
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californiajohnny
Moderator Group Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14606 |
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oops sorry i went out there and forgot, i will look...
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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