11-29-2021, 09:14 PM | #43 |
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Drives: 2017 Camaro ZL1 A10 Join Date: May 2012
Location: NJ
Posts: 7,692
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I agree that the headers are not the most urgent thing to worry about right now. But I also agree that you really should opt in the 2" LTs instead of the 1-7/8s. I believe it was either SW or TSP or both companies that offers the 2" at the same price as the 1-7/8s. Either way even if it does cost a bit more you might as well go for it.
Another thing. I'm assuming this build is costing over $30K. Why not go for a TT setup and have even more potential down the road? You are gonna get to the point where stock displacement will hold you back. And then with more displacement you're gonna max out that 2650 or you'll be losing a lot of power spinning it. Just something to think about. I don't think you can go wrong either way tho. |
11-30-2021, 08:23 AM | #44 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,825
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The 2650 has made 1100whp @ 18psi sitting on top of a 427 breathing through 1 7/8 headers. XDI fuel system on E80 with no meth. Most builds don't even take full advantage of the 2650r around here.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
11-30-2021, 11:24 AM | #45 |
Petro-sexual
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Was that JRE's build? I remember a video he posted with numbers like that where he referenced another build that went out to 1200 or something, too. That's pretty stout.
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'20 ZL1 Black "Fury" A10, PDR, Exposed CF Extractor Magnuson Magnum DI TVS2650R // RFBG // Soler 103 // TooHighPSI Port Injection // THPSI Billet Lid // FF // Katech Drop-In // PLM Heat Exchanger // ZLE Cradle bushings // BMR Chassis-Suspension Stuff // aFe Bars // Diode Dynamics LEDs // ACS Composites Guards // CF Dash // Aeroforce // tint // other stuffs |
11-30-2021, 12:05 PM | #46 |
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Drives: 16 SS & 17 ZL1 Both Yellow Join Date: Jan 2014
Location: Houston
Posts: 4,345
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Nope the lower pulley gets to big won't clear the xdi
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Kong Ported 2650, Crawford Racing Port Injection, Weapon X 112mm Adapter, NW112mm TB, Livernois Ported LT4 Heads, Lingenfelter GT32 stealth cam, Haltech Elite, and Carbon by Trufiber |
11-30-2021, 12:09 PM | #47 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,825
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Yes it was. I believe it was a manual car.
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
11-30-2021, 12:39 PM | #48 |
Drives: Chevy Camaro Join Date: Jul 2021
Location: KY
Posts: 3
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Yes King, It is a manual car.
How does 100mm upper and 8.3 or 8.6 lower sound for a starting point? I ended up with a 70mm and 80 mm from Magnuson with the initial shipment...Long story. So now I'll have to buy an upper. Question is, which one? |
11-30-2021, 01:06 PM | #49 |
Drives: 2019 ZL1 Join Date: Mar 2019
Location: NJ
Posts: 1,534
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Stick with the 90mm. You can buy one directly from magnuson or my personal preference would be to get the grip tech one.
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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 |
12-02-2021, 07:33 AM | #50 |
Drives: 2018 ZL1 A10 Join Date: Nov 2020
Location: IL
Posts: 22
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92 upper on mine with stock lower for now. Pully size, fuel limitations, throttle body, intake and so on all should have some type of impact on hp. Look up some tuners on here. Im sure they have some examples. One post I came across a while back - a guy in california put on a 2650 only because of emissions and gained aprox 100hp if i remember correctly and kept it inspector friendly legal. Maybe search for that post
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12-02-2021, 08:19 AM | #51 |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,229
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Actually it does, I talked about that in one of the videos.
We installed a 9.17 on the bottom
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