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05-31-2014, 07:56 PM
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#1 |
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Registered User
Join Date: Aug 2012
Location: Indiana
Posts: 470
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coolant temp sensor
I have the ls engine coolant sensor hooked to the ecm, but what about the one for my gauge how can i get a sensor on my engine for it?
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70 C10 working on a LSx swap  4.8L MS3 edelbrock pro flo intake, pacesetter long tubes, 4l60e 2500 stall hoping the tranny holds up lol |
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05-31-2014, 08:13 PM
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#2 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: coolant temp sensor
I used the spacer in the back of the passenger side head for my gauge.
  
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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05-31-2014, 11:13 PM
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#3 |
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Registered User
Join Date: Sep 2013
Location: Houston, TX
Posts: 80
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Re: coolant temp sensor
Where did you put the one for your fans then?
I have my fans on the back of the passenger head, the ECM on the front of the drivers head, and then my guage we were going to weld a bung into the water pump but we haven't done anything yet. For right now I'm just using a bluetooth OBD2 scanner with my phone to keep an eye on it.
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1972 C10 LWB Highlander Dark Olive/White - Work in progress 5.3/6L80e, Accuair e-level, Porterbuilt Stage 1 front and Stage 2 rear, Wilwood 14"F 13"R, Vintage Wheel Works V40 18x8/18x11, and more... Build Thread |
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05-31-2014, 11:58 PM
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#4 | |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,119
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Re: coolant temp sensor
Quote:
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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06-01-2014, 07:08 AM
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#5 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: coolant temp sensor
The fans are controlled by the ECU which feeds off the sendor in the drivers side head.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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06-01-2014, 03:05 PM
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#6 |
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Registered User
Join Date: Apr 2012
Location: Vegas
Posts: 617
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Re: coolant temp sensor
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06-01-2014, 06:24 PM
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#7 |
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Registered User
Join Date: Aug 2012
Location: Indiana
Posts: 470
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Re: coolant temp sensor
i am using the factory gauge
__________________
70 C10 working on a LSx swap 4.8L MS3 edelbrock pro flo intake, pacesetter long tubes, 4l60e 2500 stall hoping the tranny holds up lol |
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06-02-2014, 10:11 AM
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#8 |
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Registered User
 
Join Date: Jun 2012
Location: Schoolcraft, Michigan
Posts: 929
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Re: coolant temp sensor
Call me a chicken, but i didn't have enough balls to drill and tap the head to a 1/2" NPT. So i drilled and tapped the water pump.
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1972 GMC Jimmy 4x4 LS Swap 1985 Chevy K20 1994 GMC Yukon 2021 GMC 2500HD Duramax AT4 My "It's a Jimmy Thing" Build http://67-72chevytrucks.com/vboard/s...d.php?t=583528 Budget Build 1985 K20 http://67-72chevytrucks.com/vboard/s...d.php?t=801565 |
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06-02-2014, 02:04 PM
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#9 |
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Registered User
Join Date: Aug 2011
Location: Gainesville, Texas
Posts: 10
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Re: coolant temp sensor
I just started a thread on how I solved my problem.
Easy Coolant Temp Sensor Fix Hope tis helps |
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06-02-2014, 06:56 PM
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#10 |
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Registered User
Join Date: Nov 2012
Location: West Des Moines, Iowa
Posts: 450
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Re: coolant temp sensor
Autometer makes everything you need, if you search my username there's a thread I posted in that contains all of the part #'s you need to use their adapter and sender with the stock 67-72 gauges.
I have one in my truck and the gauge is nice and linear in it's action and about vertical at 210* which is exactly where it should be with these motors. |
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06-03-2014, 03:09 PM
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#11 |
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Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: coolant temp sensor
The PO stripped the hole in the front of the drivers head, so I drilled and tapped it to 1/2" NPT and put the stock 5.3 sensor in the rear of the passenger side. It was pretty easy. I put grease on the bit and tap to keep the bits of aluminum out of the head.
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06-03-2014, 05:25 PM
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#12 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: coolant temp sensor
I did the same as Andy. Drivers side is for PCM which controls fans, pass side is for gauge. I actually get a different reading between the two. It's been as much as 20 degrees at some times.
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Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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06-03-2014, 09:37 PM
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#13 |
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Registered User
Join Date: Apr 2013
Location: Douglasville, Ga
Posts: 212
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Re: coolant temp sensor
I drilled and tapped the top of the water pump.
__________________
68' c10 stepper 5.3/4L60e Build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=578917 |
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06-03-2014, 11:35 PM
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#14 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: coolant temp sensor
I drilled and tapped the water pump for the steam vent lines.
__________________
Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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06-04-2014, 06:32 AM
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#15 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: coolant temp sensor
I also have the scan gauge 2 in the truck so I have 3 readings and yes the passenger side is always higher than the computer readings about 18 degree most of the time.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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06-04-2014, 11:16 AM
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#16 |
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Enjoying left field
Join Date: Jun 2008
Location: Dillon Montana
Posts: 900
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Re: coolant temp sensor
Is that gonna mess me up having the ecu sensor in the back hole?
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06-04-2014, 10:51 PM
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#17 | |
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Registered User
Join Date: Nov 2013
Location: Green Bay, WI
Posts: 435
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Re: coolant temp sensor
Quote:
Guage adapter after removing the passenger side rear cylinder head OEM fitting is: (m12x1.5 - 1/8" NPT) Autometer 2277  
__________________
1966 C10 SWB Fleet 5.3L LM7 Vortec / 4L60e Swap 1966 C10 w/ 5.3L/4L60e Build Thread 2012 GMC Sierra 5.3L 4x4 CCSB |
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06-05-2014, 01:41 PM
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#18 |
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Registered User
Join Date: Jun 2012
Location: Pittsgrove, NJ
Posts: 1,502
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Re: coolant temp sensor
Yup that's^ the same thing I did. And good to know I'm not the only one with temp variation between the two. I'm not worried since my e-fans run off the pcm anyway so when I check my gauge I just look at it and subtract about 15 degrees in my head. I haven't had any overheating problems since the new rad anyway though.
__________________
Will 1968 C10 - Project Texa Go 6.0/4L80e 2003 Mitsubishi Lancer Evolution 2002 Ford Excursion 7.3L 2024 Toyota Sienna |
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06-05-2014, 09:13 PM
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#19 |
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Registered User
Join Date: Dec 2010
Location: freeburg, illinois
Posts: 885
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Re: coolant temp sensor
Took the stock temp sensor from my 91 350 had it milled down to fit the passenger head, plugged right in, voila.
__________________
1987 Chevy V30 - http://67-72chevytrucks.com/vboard/s...d.php?t=573854 1988 IROC-Z Camaro - 305/T5 T-Top 1989 GMC V35 - Marbolo Express http://67-72chevytrucks.com/vboard/s...d.php?t=596850 1991 V2500 Suburban Silverado - Sold 1991 V2500 Suburban Scottsdale - Big Nasty http://67-72chevytrucks.com/vboard/s...d.php?t=497423 2001 Ram 3500 5.9 H.O NV56 EC DRW - Sold 2003 1500 Silverado 2004 Ram 3500 5.9 H.O NV56 CC DRW - Sold 2005 Silverado 2500HD 6.6/ZF6 CC LWB |
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06-06-2014, 08:16 PM
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#20 |
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Registered User
Join Date: Apr 2006
Location: Warrenton VA
Posts: 144
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Re: coolant temp sensor
Good info!
What 1/8 npt auto meter / vdo sender works with our 67-72 gauges though. With the Autometer. 2277? Thanks! Should help the OP as well.
__________________
'71 C-10 with 5.3 LS2 cam & NWC T5 - Patina King! '83 Jeep Cherokee w 5.3 LS9 cam & SM465 NP208 swap in progress '92 Volvo 960 wagon w 5.3 LS7 cam & WC T5 swap in progress '79 Porsche 911 SC '48 Spartan Mansion 30' travel trailer '10 Porsche Cayenne S - Daily |
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06-07-2014, 09:12 AM
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#21 |
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Registered User
 Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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Re: coolant temp sensor
Does any of the late model cars/trucks use an idiot light. I am installing a lc9 in my 70 swb and just want to get a switch to make idiot light work. The right head is plugged on the back with a m12x1.5 bolt and washer.
Thanks |
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06-11-2014, 10:46 PM
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#22 |
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Registered User
Join Date: Apr 2006
Location: Warrenton VA
Posts: 144
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Re: coolant temp sensor
I'll answer my own question here:
Autometer 2277 adapter. Auto Meter 2259 Short Sweep Electric Cyl. Head Temp Sensor (340°)
__________________
'71 C-10 with 5.3 LS2 cam & NWC T5 - Patina King! '83 Jeep Cherokee w 5.3 LS9 cam & SM465 NP208 swap in progress '92 Volvo 960 wagon w 5.3 LS7 cam & WC T5 swap in progress '79 Porsche 911 SC '48 Spartan Mansion 30' travel trailer '10 Porsche Cayenne S - Daily |
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08-19-2016, 11:31 AM
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#23 | |
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Registered User
Join Date: Dec 2013
Location: So Cal
Posts: 684
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Re: coolant temp sensor
Quote:
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06-12-2014, 10:55 AM
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#24 |
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Registered User
Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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Re: coolant temp sensor
Wouldn't the adapter keep the sensor/switch from going into the coolant?
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