05-02-2022, 08:55 AM | #1 |
Drives: 2020 Camaro SS 1LE Join Date: Apr 2022
Location: Miami
Posts: 227
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Camaro SS/1LE Heat Extractor Rain Guard Removal
Posting this incase some people are not aware. This is basically something everyone should do to their car to greatly improve cooling and it costs you nothing and takes about 5 minutes. Remove the rain guard under your hood vents!!! It does nothing except ruin the heat extraction, its not protecting your engine from anything its completely useless.
Its incredibly easy to do, just 5 nuts that you undo with a socket wrench or adjustable wrench and the shroud comes off. I included some images to show the before and after. |
05-02-2022, 08:55 PM | #2 |
Drives: 2021 2SS 1LE Join Date: Aug 2020
Location: Cary, NC
Posts: 776
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This was recommended to me while I was at VIR last weekend, but haven't tried it yet.
How much cooler was your engine oil temp once you ran at the track with the rain guard removed? |
05-03-2022, 08:25 AM | #3 |
Drives: 2020 Camaro SS 1LE Join Date: Apr 2022
Location: Miami
Posts: 227
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Its actually recommended in the track manual for the car on trackdays. I haven't gone to a trackday yet since I removed it but I can see a lot more heat flowing out the vents in normal driving and when you see how much more open it is its obvious that there is a difference going to be made.
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05-03-2022, 10:22 AM | #4 | |
SoCal Camaro5 Race Team
Drives: 2021 Shadow Grey Camaro 2SS 1LE Join Date: Mar 2010
Location: SO CAL
Posts: 14,281
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05-03-2022, 11:11 AM | #5 |
Drives: 2020 Camaro SS 1LE Join Date: Apr 2022
Location: Miami
Posts: 227
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Your right I just read that, well it increases the vent area by at least three fold so there is definitely more airflow and should reduce under hood pressure aka decrease drag while improving heat rejection. Whether that amounts to a performance increase is up for debate but considering its free and takes 5 min I think its a no brainer! I am a mechanical engineer so I tend to get nerdy about car performance lol.
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05-03-2022, 11:38 AM | #6 | |
SoCal Camaro5 Race Team
Drives: 2021 Shadow Grey Camaro 2SS 1LE Join Date: Mar 2010
Location: SO CAL
Posts: 14,281
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05-03-2022, 07:14 PM | #7 |
Drives: 2021 2SS 1LE Join Date: Aug 2020
Location: Cary, NC
Posts: 776
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I'll be at CMP in two weeks. I'll try to remember to remove it and report back on what the temp impact is. Probably will need to wait until VIR (long straights) to report if it reduces air resistance and thus improves speed.
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05-05-2022, 08:31 AM | #8 |
Drives: 2020 Camaro SS 1LE Join Date: Apr 2022
Location: Miami
Posts: 227
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Going 120-130mph before and after I noticed the hood doesn't bulge upwards as much from under hood pressure. I'm curious to hear what you find out.
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05-05-2022, 10:27 AM | #9 |
Drives: 2016 1ss camaro Join Date: Feb 2016
Location: 909
Posts: 9,800
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yup i had to tell my buddy about this he had no idea
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