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Temp sensors |
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Mike W 
AMC Fan 
Joined: Nov/14/2017 Location: Sylmar Ca. Status: Offline Points: 5 |
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 Topic: Temp sensorsPosted: Nov/14/2017 at 10:19am |
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Hi folks new member here. We have a 1969 AMX we are building for a client. We are using a FAST EFI on the engine. Question is we need another location to add another temp sensor for a temp gauge. The location on the Edelbrock intake is being used for the FAST coolant sensor. I need another location to ad a second temp sensor.Thanks.
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304-dude
AMC Addicted 
Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: Nov/14/2017 at 10:57am |
I would T off from the bypass hose as it has a constant flow of heated water recirculating back to the pump from the thermostat. Or you can drill and tap at the intake at the #7 cylinder location across from the heater fitting on #8. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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6768rogues
AMC Addicted
Joined: Jul/03/2007 Location: United States Status: Offline Points: 6241 |
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Posted: Nov/14/2017 at 11:14am |
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I used something like this on my 4.0, they are available for various sized top hoses.
https://www.ebay.com/itm/PERRIN-Coolant-Hose-Adapter-For-use-with-Coolant-Water-Temp-Gauge-Sensor/400963922280?hash=item5d5b4fe968:g:cDMAAOSwHnFVsewu&vxp=mtr The factory sensor signals the computer. I have two of the hose ports in the top hose, one for the temperature gauge and one for my electric fan controller. My aftermarket temp gauge is not compatible with the computer output and my computer came from a mechanical fan Jeep, so it does not have an electric fan output. Edited by 6768rogues - Nov/14/2017 at 11:18am |
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69 ambassador 390
Supporter of TheAMCForum 
Joined: Nov/22/2009 Location: Peoria, AZ Status: Offline Points: 3539 |
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Posted: Nov/14/2017 at 12:04pm |
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Just tap the other side of the crossover above the #2 cylinder or add a late 70s/80s Wagoneer water outlet with the TVS port on it. Use the TVS port for the dash gauge and the factory port for the ecu temp.
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Steve Brown
Algonac, Mi. 69 Ambassador sst 390 84 Grand Wagoneer 69 Cougar XR7 65 Fairlaine 500XL 79 F-350 Super Camper Special |
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Mike W wrote: