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Old 03-12-2009, 08:20 AM   #1 (permalink)
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IAT 2's - What are yours?

After doing some logging today during a WOT 2-3gear pull, I noticed that my IAT2's get rather high, around 158* but never over 160*, even after multiple runs. They will cool down rather quickly after I cruise around again, and go to around 110 or so, which is ~35 above IAT1. ("Ambient" also seems rather high, despite my "cold-air-intake" - around 75-80 when it is around 50* outside) The fact that they are cooling down so quickly show me my pump is working with my dual-pass/opt B and heat exchanger.

What are you guys seeing this time of year for IAT1 vs. IAT2?

BTW, my engine mods are as follows:

K&N Typhoon CAI
LS4 TB
2.8" Smoothflow pulley
42.5 lb/hr GM Stage 2 Injectors
GM Dual-pass intercooler endplate with Option B
CX Racing dual-pass heat exchanger (in line with the stock heat exchanger)
ZZP Mid-length Header/full 3" cat-less downpipe/full 3" exhaust
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Old 03-12-2009, 09:20 AM   #2 (permalink)
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bump......
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Old 03-12-2009, 09:44 AM   #3 (permalink)
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160+ For now.. LMFAO
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Old 03-12-2009, 10:01 AM   #4 (permalink)
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Quote:
Originally Posted by coopn8r View Post
160+ For now.. LMFAO
well.. i can understand yours... lol
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Old 03-12-2009, 10:07 AM   #5 (permalink)
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running about 80 to 90 cruising in about 45 outside air temps and can get up to 130ish if sitting for a long time
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current mods: K&N typhoon intake, B&M STS, Aeroforcetech dual interceptors, BWoody solid mounts, TTR 1" rear sway bar
waiting for warmth to install: zzp long tube, AEM UEGO, mech boost gauge, dual pass + option b, cobra heat exchanger
distant future mods: 2.8 or 2.9 pulley, 60 or 80 lbs/hr injectors? Gas or e85? depends how crazy i decide to go...
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Old 03-12-2009, 10:11 AM   #6 (permalink)
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any ideas as to why mine would be so high? obviously the pump and the cooling system is flowing
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Old 03-12-2009, 10:32 AM   #7 (permalink)
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Dual pass have a kink in it.. How WELL is your IC pump working.. Your IAT's shouldn't be that high.. I figured yours would reach 130's after several LONG LONG pulls..
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Old 03-12-2009, 11:02 AM   #8 (permalink)
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working fine as far as i know. hoses dont appear to have any kinks
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Old 03-12-2009, 11:17 AM   #9 (permalink)
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my mods:

K&N
dual pass
opt b

It's about 40 deg out today.

IAT1: about 60-65
IAT2: 68-105

105 after sitting at lights for awhile, 68 while crusing lightly on the gas.
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Old 03-12-2009, 01:24 PM   #10 (permalink)
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Its been low 40's here daytime.

Mods in sig....

Iat1 45
Iat2 77

I can get them lower just depends on the outside temp and if I'm in traffic and shit.

WOT highest I ever got was 120 iat2 my lowest is an 84 iat2.
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