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View Poll Results: where do you put your temperature sender probe. | |||
probe in T-stat housing |
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3 | 10.34% |
probe in block |
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26 | 89.66% |
Voters: 29. You may not vote on this poll |
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#1 |
Registered User
Join Date: Nov 2008
Location: Tempe, AZ
Posts: 181
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Temp sender location
Hey guys, where do you perfer to have your temp sender?? In your block or your thermostat housing?? I currently have mine in my block and a mechanic i was talking to said i need to move it to my t-stat housing?. Thats where i used to have it, but it seemed to me i would want to know the temp inside my block. Also how much of a temp difference is there between the 2??
and sorry if the poll dosent work, ive never done one and thought i would try!! ![]()
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1970 GMC- 454 DONT GIVE ME NO JIBBA JABBA!!! |
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#2 |
Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Temp sender location
I think it works, I just voted and it showed up in the poll.
I figure if GM thought it should be in the block that is where I put it. I know some newer cars and trucks also had it in the water neck, but usually that was part of the smog equipment. I guess it would not hurt to run one in each place if a person wants to know what the temperature is in both places. Danny
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'67 Chevy C-20 short stepper - build complete, 454/SM-465. '75 C-30 Single Cab DRW-350 small block/NP-435. '77 GMC-6500 Dump Truck, 427 Tall Deck. '92 GMC K-3500 Duallie, 454/4L80E. |
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#3 |
Project Junkie! Fishing Poor!!
![]() Join Date: Dec 1999
Location: Olympia,Wa. 98512
Posts: 10,770
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Re: Temp sender location
My thoughts are in the block. Like you I tend to wonder about the effectiveness of it in the thermostat housing. The thermostat remains closed to the water in the engine untill it heats up enough to flush the hot water out of the engine. Then the water pump replace the hot water with the cooler water from the radiator via the bottom nipple of the radiator. What closes the thermostat is after the engine fills with the cooled water it starts running back into the top of the radiator, cooling the thermostat, witch then closes it. So it makes sence that the teprature of the water in the thermostat housing doesn't reflect the temprature of the water in the block. WES
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#4 |
Registered User
Join Date: Dec 2009
Location: McDonough,GA
Posts: 123
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Re: Temp sender location
temp diff has been around 10 to 20 degress off as engine is hotter on sbc 355
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#5 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,940
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Re: Temp sender location
Mine is in the drivers side cylinder head. Stock location.
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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#6 |
Registered User
Join Date: Nov 2008
Location: Tempe, AZ
Posts: 181
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Re: Temp sender location
so since i have my sender in my block.....and it is approx 10-20 degs hotter there, is a temperature of 210-220 alright? or should i still be around 190-200?
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1970 GMC- 454 DONT GIVE ME NO JIBBA JABBA!!! |
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#7 |
Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: Temp sender location
210-220 is a little too warm. Mine runs around 190-195.
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Beat it to fit, Paint it to match... ![]() |
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#8 |
Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: Temp sender location
Intake would be my first choice, since that was the normal location for a long time. Second choice would be the head. I have never seen one in the block.
Ray |
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#9 |
its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: Temp sender location
the head is the stock location on all V 8 gas motors in these trucks.
I would rather know if the engine was overheating, verses the temp of the coolant on the cool side of a stuck t-stat... but that's just me. |
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#10 |
Big Red - Now its a SWB!
Join Date: Jun 2009
Location: Oroville, Ca
Posts: 1,624
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Re: Temp sender location
I think the head is a more accurate measure of the internal engine temp, so that is where mine is.
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68 3/4 ton ![]() ![]() 41 3/4 ton ![]() 01 Tahoe LT 4WD (my daily driver)-Magnaflow Muffler, Rollin on 22's 02 Ford Mustang Convertable (Wife's Car)-Flowmaster 50, Clear corners, Intake, sittin on 18's |
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#11 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,518
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Re: Temp sender location
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I can't verify this as correct but a mechanic friend told me once that the best place is as close to cylinder #8 as possible as this is the warmest area in the engine. Just throwin' this out for discussion. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#12 |
Just a car guy
Join Date: Feb 2006
Location: New Washington, IN
Posts: 991
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Re: Temp sender location
Drivers side head for me. Temp switch for rad fan is next to the thermostat on my truck.
Most gm products I have delt with have had it here, or moreso in the same port on the pass head which then, as previously suggested , right next to the #8 cylinder. That would make sense as it should be hottest. Also, makes it convenient for wiring as it can join up with starter wires, heater control, coil, and any other accessory wires, you know gm considered that for easy assembly.
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1955 belair Blown Pro Street cruiser 1971 Camaro Pro Touring 1973 Vega Drag Car 1970 C20 tow rig |
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#13 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,940
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Re: Temp sender location
I have had a '67 Chevy C10, a '71 ElCamino SS, a '79 GMC K25, and now my '72 GMC C1500. All have had the sending unit in the forward hole in the cylinder head between #1 and #3 cylinders in SBC's. Factory wire harnesses went there too...
Even when I ran Autometer gauges in my Elky, I ran the sending unit in the same spot. Just to keep it fairly "original" looking. Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
Quote:
Last edited by GASoline71; 06-20-2010 at 12:47 PM. |
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#14 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Temp sender location
i think the head is best// block i believe can suffer more heat with no damage with the heads suseptible to the damage easier
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#15 |
dazed and confused
Join Date: Jul 2008
Location: marion nc
Posts: 1,649
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Re: Temp sender location
mine is in the head. between the #6 and#8 cylinders. i prefer the head also
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members met: redbaron69, billsbowtie,nc67 |
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