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06-20-2020, 09:29 PM
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#1 |
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Registered User
 Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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temp sender guru's
I am still trying to find a sender for ls3 that would work. Doing research and have found 10 different Hella senders that will fit but couldn't find any data sheets. I cross refed 1 to bosch. It seems to be fairly close on the temps above 100F but falls apart on low temps which don't matter much to me.
Go to this URL and click on datasheet link. What do you think https://www.bosch-motorsport-shop.co...nsor-140-deg-c |
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06-21-2020, 03:03 AM
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#2 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: temp sender guru's
I found this info last night for 67 72 temp guage sender specs
Several people tap the head on the Ls engine to accept stock sending unit Run LS sending unit for the ecm and stock one for guage panel |
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06-22-2020, 07:19 AM
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#3 |
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Registered User
Join Date: Jun 2014
Location: Reading, PA
Posts: 203
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Re: temp sender guru's
Not sure how different the ls3 is, but I’m running a 98 Camaro temp sensor, two wires for the pcm and one wired directly to my stock gauge.
ACDelco 12551708 GM Original Equipment Engine Coolant Temperature Sensor https://www.amazon.com/dp/B005OVAUN2/ Edit: are you looking for an air temp sensor? In that case, I totally misunderstood. Sorry. Last edited by TrybalRage; 06-22-2020 at 07:24 AM. |
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06-22-2020, 11:58 AM
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#4 |
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Kung Fu Master
Join Date: Oct 2005
Location: Montana
Posts: 547
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Re: temp sender guru's
I've done a fair amount of research on this and the 98 3 wire temp sensor seems like a proven method with accurate results. I have parts on the way to do the same. They do have adaptors available for OEM senders that can be used on the rear passenger side head. But, with the cost of the sender and adapter, I was in for about the same amount of money. I should also mention, I am working on a 1984.
Temp sensor - ACDelco 12551708 ACDelco 3 wire pigtail 88862238, the blue wire goes to the temp gauge.
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72 GMC SuperCustom 4x4 1972 Chevrolet Cheyenne Super 4x4 |
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06-22-2020, 08:48 PM
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#5 |
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Registered User
Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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Re: temp sender guru's
98 3 wire temp sensor out of what make & model? What is its pinout?
Thanks |
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06-22-2020, 09:50 PM
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#6 |
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60-66 Nut
 Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: temp sender guru's
How about one of these to operate your factory temp gauge and then use the donor sender for the PCM.
http://www.67-72chevytrucks.com/vboa...d.php?t=726700
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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06-23-2020, 09:54 AM
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#7 |
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Senior Member
Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,996
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Re: temp sender guru's
The 98 sensor is for a 5.7L F-body. WestButte gave the pinout in his post.
I’m going to try this out on my 68. I suspect I will have to change the resistance on the back of the gauge to get it right, but that is simple enough.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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06-23-2020, 11:49 AM
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#8 |
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BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
Posts: 1,266
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Re: temp sender guru's
The 3 wire camaro sensor reads low on a 81-87 gauge. At operating temperature, 200 it was only on the 1/4 mark. Not the cold mark, one above it
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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06-23-2020, 04:52 PM
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#9 |
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Registered User
Join Date: Mar 2020
Location: The Woodlands,Tx
Posts: 588
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Re: temp sender guru's
struggled as well on this issue. Finally ordered a sender from Speedway motors that installs with NO adapter no nothing. I haven't started my truck up yet so the results aren't available yet but others on reviews says it works on our factory gauges. Part A#275-1027. in about 3 weeks I will have mine running and will update
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06-23-2020, 06:31 PM
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#10 |
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Senior Member
 
Join Date: Feb 2014
Location: new smyrna beach fl / 29 palms cal
Posts: 1,727
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Re: temp sender guru's
I used the 3 wire on my 65 have not compared it to a digital gage but seems to be in about the same position as it was with the 350 I removed and it would tell me if it started to over heat i’m not worried if it’s not too exact degree
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Hand made A/C vent manifolds for 64-66 trucks adapts any aftermarket A/C to OEM vent Last edited by nsb29; 06-23-2020 at 07:26 PM. |
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06-23-2020, 07:24 PM
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#11 |
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Senior Member
Join Date: Feb 2014
Location: new smyrna beach fl / 29 palms cal
Posts: 1,727
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Re: temp sender guru's
I used the 3 wire on my 65 have not compared it to a digital gage but but it would tell me if it started to over heat
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Hand made A/C vent manifolds for 64-66 trucks adapts any aftermarket A/C to OEM vent |
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