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05-26-2013, 11:28 PM
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#1 |
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Registered User
Join Date: Aug 2010
Location: Floyd/Salem VA
Posts: 148
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Odd heating issue
Hey guys, it's me again. I spend a lot of time asking questions here on this subforum, haha. I've finally got my timing/carb issues taken care of and am moving on to other issues.
The problem I'm having is that temp sensor isn't going above 140* on the backside of the engine. The temp sensor for the e-fan (which I have in one of the front holes) goes to 180* easily and kicks on my fan. I have Vortec heads and have the bypass hooked up but I was thinking maybe I don't have it hooked up correctly. Here is a picture:  A) E-Fan Temp Sensor. Reads 180* with laser temp gun B) Gauge Temp Sensor. Reads 140* with laser temp gun and on gauge C) Front Vortec bypass hooked up from my water pump. I installed this per intake manifold instructions I have checked my thermostat on the stove and it works correctly. I also have the bypass hole blocked on the front block (small lower hole on passenger side water pump galley). As always thanks for your help!
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"All anybody wants is a normal life and a cool car... most people settle for the car" - Christopher Titus 1966 Chevy C10 Pics Rust to Riding - Pictures of my build |
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05-27-2013, 03:17 AM
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#2 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Odd heating issue
I am gen I, but put my temp sensor in the A spot. The Painless controls are on 185/off165. I run a 160 stat, & she holds her line, with 2- 14" fans.....never over 175-180 on the hyway, never over 190 in town traffic.? Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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05-27-2013, 08:38 AM
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#3 |
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Junior Member
Join Date: Dec 2006
Location: Southeast Missouri
Posts: 2,436
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Re: Odd heating issue
It seems I learn something new every time I go on this site. I have always put the the gauge temperature sensor in the driver's side head and a fan sensor in the passenger side head. My newest truck is a '92 and that is where they were put in when it was built new.
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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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05-27-2013, 11:44 AM
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#4 |
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Registered User
Join Date: Dec 2008
Location: NW-Ohio
Posts: 2,525
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Re: Odd heating issue
I always put the temp in the thermostat housing on the cold side, so if the temp doesn't rise, you know the thermostat is stuck closed.........
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05-27-2013, 01:07 PM
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,921
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Re: Odd heating issue
Quote:
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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