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03-17-2014, 09:34 AM
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#1 |
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WICKDSS
Drives: 2011 1SS/RS IOM LS3 Join Date: May 2010
Location: Wichita, Kansas
Posts: 1,111
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ECS 1500 and HIGH IAT Temps
Ran my SS this weekend and after seeing over 2-3 mph drop after initial run. I datalogged it. This is when I found my iat at the starting line around 150+ and during the run it climbed over 200. Its like the intercooler wasn't even there! Lol! I thought it was suppose to be the other way around?
Coolant temp was pretty much the same as iat at the end of the run. Found some timing being pulled because of the temps. A bit of kr showed up at the top of each gear also, I blame winter blend fuel for that, since I never saw any kr in the tune last fall. Thats another issue. I'm new to centri blowers, any pointers? What's normal or acceptable? Thanks!
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2011 IOM SS/RS, M6. Look up our all generation Camaro club website at Heartland Camaros
Gforce Engineering Drivetrain, ECS 1500 Supercharger, TSP Cam, Alky Controls Meth single nozzle. 91 octane, 698 RWHP 625 rwtq. 4200#+, Tuned by Justin "Justune" Kalwei 11.57 @ 126.8 mph with a crappy 1.80 60'.....still learning to drive....M&H DR's and skinnies on 17" Welds. |
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03-17-2014, 09:43 AM
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#2 |
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instigator
Drives: 2020 6.2 Trail Boss, 2022 XC90 Join Date: Jan 2010
Location: 72034
Posts: 3,979
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the burnout will cause a rise in IAT for sure. but it should really cool down going down the track. My FMIC is bigger than the one you use for sure...but that FMIC you have works. I'll be watching for the feedback here for sure.
don't let it idle in the staging lanes for a long time either. Just get it up to temp and shut it off.
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-John S.
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03-17-2014, 09:44 AM
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#3 |
   
Drives: 2010 Camaro Auto Join Date: Mar 2010
Location: Fl
Posts: 1,164
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Those IAT temps are not normal. Have you verified that the coolant pump is even functioning? Those temps indicate to me the coolant is probably not even circulating.
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Just livin' life |
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03-17-2014, 09:52 AM
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#4 | |
 Drives: 2010 2SS LS3, 2013 duramax Join Date: Nov 2012
Location: Dover, De
Posts: 1,451
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Quote:
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ECS Ysi-B, cam, Tsp 2" longtubes, Squash dual pumps, Id1300s, meth, 4L80e, FTI 3600, ZL1 3.73 diff, BMR suspension, 15" conversion, weld rts mt 275 et street R. 9.6@147mph
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03-17-2014, 09:57 AM
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#5 |
      Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
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Strange. While I have a corvette my IATs start 7-8F above ambient and at the end of a run go up ~30F. Definitely strange.
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Nick
Corvette Z06 -1200ish rwhp |
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03-17-2014, 10:19 AM
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#6 | |
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Drives: 2010 Camaro Auto Join Date: Mar 2010
Location: Fl
Posts: 1,164
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Quote:
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Just livin' life |
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03-17-2014, 10:21 AM
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#7 |
Drives: 2011 Camaro SS Join Date: Dec 2012
Location: Bradenton, FL
Posts: 2,610
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Where is the IAT located? Still using the stock location within the MAF?
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03-17-2014, 10:32 AM
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#8 |
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WICKDSS
Drives: 2011 1SS/RS IOM LS3 Join Date: May 2010
Location: Wichita, Kansas
Posts: 1,111
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Still using the stock maf location Matt.
__________________
2011 IOM SS/RS, M6. Look up our all generation Camaro club website at Heartland Camaros
Gforce Engineering Drivetrain, ECS 1500 Supercharger, TSP Cam, Alky Controls Meth single nozzle. 91 octane, 698 RWHP 625 rwtq. 4200#+, Tuned by Justin "Justune" Kalwei 11.57 @ 126.8 mph with a crappy 1.80 60'.....still learning to drive....M&H DR's and skinnies on 17" Welds. |
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03-17-2014, 10:33 AM
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#9 |
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USAF retired! Thank God!
Drives: 2011 1SS, 1LT red,1LT/RS SGM 98Z28 Join Date: Jul 2011
Location: North Texas
Posts: 2,799
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Sounds almost like your IAT sensor got blown out of the tube. This happened to me once. Same indications
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03-17-2014, 10:34 AM
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#10 |
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WICKDSS
Drives: 2011 1SS/RS IOM LS3 Join Date: May 2010
Location: Wichita, Kansas
Posts: 1,111
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Mine is still located within the maf.
__________________
2011 IOM SS/RS, M6. Look up our all generation Camaro club website at Heartland Camaros
Gforce Engineering Drivetrain, ECS 1500 Supercharger, TSP Cam, Alky Controls Meth single nozzle. 91 octane, 698 RWHP 625 rwtq. 4200#+, Tuned by Justin "Justune" Kalwei 11.57 @ 126.8 mph with a crappy 1.80 60'.....still learning to drive....M&H DR's and skinnies on 17" Welds. |
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03-17-2014, 10:45 AM
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#11 |
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Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
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If he is using the stock maf IAT then it couldn't be blown out of the tube unless the whole maf is but then the car would run like ass and he could find that easy.
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Nick
Corvette Z06 -1200ish rwhp |
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03-17-2014, 11:15 AM
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#12 |
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Drives: 2010 Camaro Auto Join Date: Mar 2010
Location: Fl
Posts: 1,164
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As a starting point, with a complete cold engine (as in one that has set for several hours) turn the key on to the second detent position without the engine running and log the IAT and compare it to the ambient air temp. The two temps should be very close to being identical.
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Just livin' life |
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03-17-2014, 11:35 AM
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#13 |
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instigator
Drives: 2020 6.2 Trail Boss, 2022 XC90 Join Date: Jan 2010
Location: 72034
Posts: 3,979
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good idea to check...IAT on a cold start should be real accurate against outside temps.
I agree with Unreal post #5, just for the record.
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-John S.
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03-17-2014, 11:41 AM
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#14 |
Drives: 2x 05 Vettes/65'AC cobra/68 camaro Join Date: Apr 2009
Location: LONGVIEW, TEXAS
Posts: 845
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what pulley do you have on it? not how much PSI cause im sure you have a rest plate on it. just need to know how fast your spinning the thing. On the Dyno we will see 150-160 IATs. But on the street it should be alot cooler cause of all the airflow over it. BUT still need to know how fast your spinning that thing
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