C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Climate Fan Upgrade

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Old Jun 22, 2024 | 09:52 PM
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Default Climate Fan Upgrade

Anyone know if there is a fan that moves more air you can bolt in? Ever since I got my C4 I've been unhappy with it. And no its not just clogged, it just doesn't move very much air. I have an 85, so no screwy electronic climate control that I would need to deal with.
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Old Jun 23, 2024 | 01:36 AM
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It should blow plenty of air. How many miles on it? It may just be the stock fan is dying.
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Old Jun 23, 2024 | 08:20 AM
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Originally Posted by drive it
It should blow plenty of air. How many miles on it? It may just be the stock fan is dying.
113k. And I guess I'm being a bit dramatic about it, its not like it blows no air but it certainly isn't anywhere near great. I didn't realize how cheap a new motor was, so maybe I'll give it a shot just on that.

I did just find a big ol air leak at the evaporator case though....AC had been all redone by the PO and I guess they didn't seal it up too well. I'll see if I get better airflow if I plug some of these gaps.

Last edited by jdjenk; Jun 23, 2024 at 09:03 AM.
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Old Jun 23, 2024 | 10:30 AM
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Default Climate fan upgrade

If you need better air flow try looking for "C4 Corvette cooling fans upgrade". It should bring up a few suppliers who make complete kits and/or fans that will bolt in
without any mods.
John
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Old Jun 23, 2024 | 02:58 PM
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Originally Posted by AAFC
If you need better air flow try looking for "C4 Corvette cooling fans upgrade". It should bring up a few suppliers who make complete kits and/or fans that will bolt in
without any mods.
John
1990 white/black #2546
one of a few 4l8OE auto equipped ZR-1's
Cooling fans are completely different than the HVAC fan that the OP is looking for.
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