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03-20-2024, 01:09 AM
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#1 |
 Drives: 2023 Camaro ZL1 Join Date: Apr 2023
Location: Ohio
Posts: 19
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Roto Fab Big Gulp vs Corsa Carbon Fiber Intake
I previously spoke on this forum about boost limits on 93 octane. And now since I’ve got that settled, I’d like to know if there’s a real true difference to adding a big gulp vs using the corsa intake I already have. The car is fully built from the bottom end all the way up with everything you could think of ported as well as a interchiller and a bigger throttle body. Will the big gulp really add a substainal HP gain to my build or should I just stick with the corsa and call it a day?
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03-20-2024, 07:36 AM
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#2 |
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Snackbar Tuning
Drives: 2023 SGM ZL1 Join Date: Oct 2016
Location: Florida
Posts: 1,118
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Do you already have a 103mm TB?
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GM Gen V Calibrator
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03-20-2024, 08:24 AM
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#3 |
          
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,800
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If you have the 103mm tb then yes Big Gulp is definitely worth it over the Corsa.
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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 |
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03-20-2024, 09:12 AM
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#4 |
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Petro-sexual
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Is the Corsa a 4" tube while the BG a 5" (reduced to something like 4.5" at the MAF or something)?
I know I had to change my MAF curve when I changed from the standard RF to the BG. Not only because of the delta of the tube diameters, but my airflow went higher, too.
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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 |
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03-20-2024, 09:18 AM
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#5 |
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Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,800
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It says no tune required so that would be stock diameter because anytime the size changes you have to rescale the MAF in the tune.
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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 |
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03-20-2024, 01:59 PM
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#6 | |
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Drives: 2023 Camaro ZL1 Join Date: Apr 2023
Location: Ohio
Posts: 19
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03-20-2024, 02:00 PM
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#7 | |
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Drives: 2023 Camaro ZL1 Join Date: Apr 2023
Location: Ohio
Posts: 19
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03-20-2024, 02:03 PM
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#8 | |
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Drives: 2023 Camaro ZL1 Join Date: Apr 2023
Location: Ohio
Posts: 19
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03-20-2024, 05:06 PM
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#9 | ||
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,758
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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03-20-2024, 05:33 PM
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#10 | |
Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 3,562
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Quote:
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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. |
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03-20-2024, 06:18 PM
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#11 |
Drives: 2020 Chevy Camaro ZL1 Join Date: Apr 2023
Location: Calgary Canada
Posts: 1,483
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You need to tune when you go over the factory diameter
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