12-07-2020, 06:41 AM | #1 |
Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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Weapon X LT4 Billet Lid pictures of actual product inside
Some pics of the LT4 billet lid (black anodized with the milled fins, unanodized aluminum also) here for reference including the internal air divider. Will be posting up some pics of my own when its delivered today and measuring internal volume vs stock and such, plus review thoughts.
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12-07-2020, 07:05 AM | #2 |
Drives: 18 ZL1 nightfall grey A10 Join Date: Apr 2018
Location: RGV Texas
Posts: 1,527
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Some before and after dyno numbers would be awesome. Also IATs
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12-07-2020, 08:17 AM | #3 |
Drives: 2021 Red Hot ZL1 Join Date: Sep 2020
Location: Gapplebees
Posts: 3,082
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Looks nice other than milling marks but I doubt that will affect the performance at all.
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12-07-2020, 08:32 AM | #4 |
Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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I will have volume measurements and pics of my own one today. If its the same or very similar volume, not much dyno change expected except maybe a bit better airflow from the divider. Will see soon.
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12-07-2020, 09:03 AM | #5 |
Drives: 2021 Red Hot ZL1 Join Date: Sep 2020
Location: Gapplebees
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I would like a little more whine from the supercharger but these are expensive pieces for that purpose. Looking forward to your results.
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12-07-2020, 09:50 AM | #6 |
Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 3,558
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There are many lids available for the LT4 but I've never heard of any performance improvement from the lid itself unless with methanol or N2O or .
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'20 ZL1 1LE A10,
OEM short block, LME heads/valve train, E2650. 100+ octanes, no eth, no meth, no N2O. 2/23 - 1031/1004 wheel. 4/23 - 1.41/9.61/145 at DA 7000 ft. (only made five passes). 2/24 - LME 390, E2650, FBO, 100 oct.; 1116hp/ 1063tq; 109 oct. dyno next. |
12-07-2020, 10:04 AM | #7 |
Drives: 2021 Red Hot ZL1 Join Date: Sep 2020
Location: Gapplebees
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12-07-2020, 11:47 AM | #8 | |
Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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Product notes: Mill work is noticeable but not horrible IMO. Anodizing could be better but not bad really, def not bad enough to return. Gasket transferred nicely, no issues installing. Of note, the height is about the same as stock, internal volume appears less based on water measurements, but not a huge amount.
Sound Clip: Definitely increased as RPMs/load increase, very pleasant, very noticeable even on a stock box/filter. Video is a roll on from 1st-3rd, not full WOT until the top to avoid traction issues. Its cold outside! Link: Performance: Def torque boost noticed midrange to me and the throttle seems a bit sharper too. No negatives noticed at all so far. Compared to the info from Kong for their LT5 airflow divider in that application, may be some sense to this too. I know thats not a stock car though and such, but I am pretty sensitive on the butt dyno. Doesnt matter though, you'll have to make your own judgement call. Last edited by FoundNemo; 12-09-2020 at 11:37 AM. |
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12-07-2020, 12:20 PM | #9 |
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Drives: 18 ZLE Join Date: May 2018
Location: Left Side of the Moon
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Kinda eh.
Stock looks better and if no performance gain, why go uglier
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12-07-2020, 12:54 PM | #10 |
Drives: 2021 Red Hot ZL1 Join Date: Sep 2020
Location: Gapplebees
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12-07-2020, 02:08 PM | #11 |
Drives: 2019 ZL1 Join Date: Oct 2019
Location: GA
Posts: 573
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Review and vid up. To each his own.
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12-07-2020, 08:27 PM | #12 |
Drives: '86 IROC-Z '18 ZL1 Join Date: Jul 2019
Location: Arizona
Posts: 734
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I think I'm more surprised there is actually less volume.
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12-08-2020, 06:56 AM | #13 |
Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,813
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Hey FoundNemo, wonder if you would notice more of a performance difference and sound if you installed a Roto-Fab CAI!
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ZL1 Coupe, PDR, Exposed carbon fiber hood insert, My Link with Nav, M6 6 speed and Silver Ice Metallic. Mods done: ceramic window tint, GM Accessories Camaro floor mats and Roto-Fab CAI.
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12-08-2020, 10:57 AM | #14 |
Drives: 2018 ZL1 Coupe NFG M6 Join Date: May 2017
Location: Nolensville, TN
Posts: 618
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I'll be curious to see how the anodizing holds up over time. Most black items that see alot of heat turn purple over time.
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