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#15 |
![]() Drives: 2018 Red ZL1 Join Date: Mar 2018
Location: Spring grove IL
Posts: 190
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After I got mine ported, she’s pretty loud now. Waaay louder than when it was stock. Haven’t heard a modded HCat, but have raced a stock one and it’s in the ball park…
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Mods: RotoFab Big Gulp, 2" Kooks, Metco 9.1" pulley, Green belt, 103 NW TB, Tune, WeapX Boost Chiller, ADM Coolant reservoir, Jokerz Full Tilt SC Port, Elite E2X Can, Corsa Sport Catback, LED markers, 1LE Tail lights, HO reverse LED's, Red SC Lid, Forgestar 17x11/MickeyT Street R's for Drags
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#16 |
![]() Drives: 2017 ZL1 Join Date: Aug 2020
Location: Lakeside, Az
Posts: 513
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One of the items NOT on my list is more whining. I like that I can't hear much at all.
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#17 |
![]() Drives: 2017 ZL1 Join Date: Aug 2020
Location: Lakeside, Az
Posts: 513
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Greg and Z oh my 6 have talked me into it.
Boys, can you PayPal each $1500 and I'll cover the rest? Friends n family now, don't want to get shysted with overhead charges... |
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#18 | |
![]() ![]() ![]() ![]() ![]() Drives: 2019 ZL1 Join Date: Mar 2019
Location: NJ
Posts: 1,537
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Quote:
Headers and a cat back and you won't hear any whine
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928rwhp - 93 | 1040rwhp/898rwrq - E65 SAE
LME 377 LT4 Short Block | Magnuson 2650 80mm upper w/13% lower (9.06) | DSX Lid & Valve Covers | CSP Custom Cam w/32% fuel lobe | CID Heads | NW 103mm TB | Roto Fab Big Gulp | CSP 2" Headers w/Green GESI Gen 2 Cats | Borla 3" Full Cat Back w/ S-Type| Mighty Mouse Wild Catch Can| Custom Holley Low side Fuel system| TooHigh PSI Port Injection w/Holley Controller | Forced Inductions Interchiller w/2 gallon fender tank | TK Performance built 10L90 |
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#19 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2024 CT5-V Blackwing Join Date: Sep 2020
Location: GA
Posts: 3,557
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That's a possibility, a stock Hellcat has just enough whine to hear it, but a Hellcat with an intake is no comparison. Some even say its obnoxious but I don't think so. A stock Hellcat supercharger whine is muffled a LOT by the stock intake, not like our LT4's at all. Even with an intake and ported blower on the LT4 its not much louder than stock. A Hellcat becomes a screaming banshee with an intake.
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#20 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,875
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Sorry dbs can’t afford to send you any money. I need the money myself as I’m waiting on a 1970 VW Bug to be finished that I’m really serious about buying.
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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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#21 |
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Account Suspended
Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
Location: NJ
Posts: 7,692
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#22 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2024 CT5-V Blackwing Join Date: Sep 2020
Location: GA
Posts: 3,557
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#23 |
![]() ![]() ![]() ![]() ![]() Drives: 2019 ZL1 Join Date: Mar 2019
Location: NJ
Posts: 1,537
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Well he’s got a point
![]() However it was 99 degrees today. My iat1 was 104 and my mat temps were 135-150. Depending how fast or slow/stopped I was going. Shut car off for 10 minutes , MAT was 175. This is on my 2650. (Time for an interchiller )
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928rwhp - 93 | 1040rwhp/898rwrq - E65 SAE
LME 377 LT4 Short Block | Magnuson 2650 80mm upper w/13% lower (9.06) | DSX Lid & Valve Covers | CSP Custom Cam w/32% fuel lobe | CID Heads | NW 103mm TB | Roto Fab Big Gulp | CSP 2" Headers w/Green GESI Gen 2 Cats | Borla 3" Full Cat Back w/ S-Type| Mighty Mouse Wild Catch Can| Custom Holley Low side Fuel system| TooHigh PSI Port Injection w/Holley Controller | Forced Inductions Interchiller w/2 gallon fender tank | TK Performance built 10L90 |
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#24 | |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2024 CT5-V Blackwing Join Date: Sep 2020
Location: GA
Posts: 3,557
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Quote:
The FI Interchiller is nice, I had one of my Hellcat. Its not a good bang for the buck mod by any means, but it does what its supposed to do and keep IAT's under control. |
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#25 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,875
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Isn’t the HC supercharger bigger than the LT4 anyway?
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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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#26 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2024 CT5-V Blackwing Join Date: Sep 2020
Location: GA
Posts: 3,557
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#27 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: 2017 Camaro ZL1 Coupe Join Date: May 2016
Location: Georgia
Posts: 5,875
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That can make a difference in my thinking.
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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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#28 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 4,195
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Mine sounds like it did before porting the blower. Pretty sure I'll do the Stage X upgrade.
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2020 ZL1LE A10.
LME LT4 390 short block, LME CID Heads, Kong E2650, FBO. 15" conversion, MT ET Street R 325/15. 100 octane: 1045hp/1055tq. 100 octane + Meth (1x10+): 1117 hp/1067 tq |
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