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10-15-2019, 02:05 PM
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#15 | |
          
Drives: '15 SS 1LE, '69 Z28 drag car Join Date: Dec 2009
Location: Mich
Posts: 4,482
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Quote:
The gauge is only accurate sitting in coolant. Think about what happens in an overheat, air pocket, or loss of coolant. The sensor sitting there at the top of #1 cyl in the head is no longer in coolant. It's reading can drop, fooling the person watching the gauge to think the engine is not screaming hot overheating. The computer is watching for a certain engine temp rise rate. Outside the norm, set a warning for the cooling system to be checked. If one just relied on the gauge and there was a low coolant condition they could melt the engine down before the coolant temp gauge ever showed a problem. |
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10-15-2019, 08:53 PM
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#16 |
 Drives: 2014 Camaro 1SS Join Date: Jun 2010
Location: MA
Posts: 103
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I've had the Mishimoto 169 degree thermostat in for about 50k miles, no problems. Did you check your coolant level in the radiator and overflow tank?
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2014 1SS - BTR Stg3, GMPP CNC Heads, Kooks LTs & cats, Magnaflow 2.5" Street w/Res X, Z28 CAI
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10-15-2019, 09:35 PM
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#17 |
Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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While driving today I turned the dic to coolant temp to observe the temperature. It stayed at 163 for about 10 minutes then finally reached 169 then dropped to 167 and eventually got up to 172. This took around 15 minutes. I didn't get the a/c off warning today.
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10-15-2019, 10:35 PM
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#18 | |
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,570
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Quote:
Maybe I have been out of the cold for too long. What kind of coolant you running? Makes me wonder if your stat is stuck open.
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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10-15-2019, 10:54 PM
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#19 |
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Drives: 2013 Camaro SS Join Date: Feb 2017
Location: Indiana
Posts: 901
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I think it may be stuck open. I use ac delco dexcool
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10-15-2019, 10:54 PM
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#20 |
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Writer
Drives: 2010 SS / 1967 Camaro Join Date: May 2009
Location: Chicago, IL
Posts: 7,216
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Never had this issue, and I've seen a coldest of 173 in the dead of winter.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II 13.15@106 1.95 | 100% Stock 12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune 12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune 11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts 10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800 |
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10-16-2019, 08:06 AM
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#21 |
 
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,018
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Coldest mine runs
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10-16-2019, 09:27 AM
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#22 |
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GPI Sales Consultant
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Yea, sounds stuck open. I would replace it, it's easy enough.
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GPI Max Package 2.0: Brodix BR7 heads/GPI porting, MAX3 cam, ST2116LSR, BSR Max Lift rockers, LS7 LSXR with 103mm TB, Vararam OTR, Mcleod RXT, G-Force/Strange 9" IRS setup with 4.63 gear. 551whp, 11.1@124mph.
Got a question about a GPI product? Feel free to shoot me a message!  |
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