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07-15-2020
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#11 |
 
Join Date: Apr 2017
Location: Wayne Illinois
Posts: 397
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Re: Weak fans inside car at highest setting.
When mine was giving me problems with fan speed/power, it turned out to be the fan speed controller on top of the A/C plenum under the hood.
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 91-#1935 Black/black & gray, Haibeck 500 Cams by Pete |
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07-15-2020
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#12 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,154
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Re: Weak fans inside car at highest setting.
Yeah I think is it more along the line of working fine but the amount of air being pushed is weak
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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07-15-2020
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#13 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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Re: Weak fans inside car at highest setting.
Have same issue. Do u just get a new one, or repair the old?
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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07-15-2020
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#14 | |
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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Re: Weak fans inside car at highest setting.
Quote:
H 
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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07-18-2020
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#15 | |
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: Weak fans inside car at highest setting.
Quote:
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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07-18-2020
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#16 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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Re: Weak fans inside car at highest setting.
Speaking of keeping cool, a good friend of mine is a car enthusiast currently owning a 65 Vette convertible, MB 300 series, and an AMG GTR. He has had ceramic glass tint installed which is claimed to cut solar load down significantly.
Anyone else here use that, and if so, what?s ur experience? For those of us w base C4 windshields, that would really help in keeping cool w AC.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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07-18-2020
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#17 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,154
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Re: Weak fans inside car at highest setting.
My manual AC blows 11.7mph out the vents.. not sure how much more I can squeak out of it. I have something to try though
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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07-18-2020
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#18 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,154
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Re: Weak fans inside car at highest setting.
So I compared the output of my corvette 11.7mph on max vs my 2016 charger which seems like a lot more.. Apparently it is not.. the blower on the Charge is 11.3 mph.
I am starting to think it is just the weak temperature differential between the ambient and out the vent temperature due to the undersized compressor.. too bad the 10PA19 doesn't fit vs the 10PA17. So I am really not sure what if any improvement I personally would get if I was able to squeak out more speed. I will try my experiment as it will run separately form the AC setup and i can see if it will be worth it to me..
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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07-19-2020
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#19 |
Join Date: Sep 2018
Location: Groton, CT
Posts: 380
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Re: Weak fans inside car at highest setting.
I don't know the wind speed of my AC, but yesterday it was 90*+ at 80% humidity. AC kept the interior cool at 70*.
My system is converted to 134a. One thing I noted, there is a screen in the AC box (engine compartment side) that can be clogged with debris. Even at 20K miles, mine was already half blocked. There is also has a seal that helps the air flowing through the evaporator. Inspection of both required removing half the air plenum from the firewall.
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1992 ZR1 #442, 2 tops, White, White, Haibeck 415, 3.90 gear, Coilovers 2018 Audi RS5, 2.9 V6 Twin Turbo, Auto, Black, Black 2021 Audi Q3, 2.0T, 8 spd Tiptronic, Navarro Blue metallic, Pearl Beige |
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07-19-2020
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#20 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,154
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Re: Weak fans inside car at highest setting.
Is fixed,
I assume the outer side of the HVAC box... what did you do to clean out the screen? And where specifically is the seal you are referring to?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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Linear Mode
