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06-05-2020, 08:46 AM
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SNSTRSS
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LT4 injectors
If I have an aftermarket cam with a 38% fuel lobe and the zl1 intake fuel pump, would changing out the injectors to lt4 ones help? Or do I need to change out the hpfp to an lt4 one, to get better flow?
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2016 Black Camaro 2SS A8 NP
Last edited by Brianw36; 06-11-2020 at 10:04 AM. |
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06-11-2020, 10:04 AM
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#2 |
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SNSTRSS
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I'm surprised no one has any info on this.
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2016 Black Camaro 2SS A8 NP
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06-11-2020, 10:13 AM
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#3 |
          
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,755
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Yes, the LT4 injectors outflow the LT1 ones. With the ZL1 in-tank and a +38% fuel lobe, the LT1 injectors will be a bottleneck. You also want the LT4 HPFP as it operates at a higher pressure, keeping your injector times under 6.0ms.
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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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06-11-2020, 01:58 PM
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#4 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,800
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You don't need to worry about high side fueling until you are north of 600whp on E85 with NA applications.
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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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06-25-2020, 12:19 PM
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#5 | |
 Drives: 2017 ss1 camaro Join Date: Apr 2015
Location: Arlington tx
Posts: 54
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06-25-2020, 01:44 PM
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#6 | |
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Drives: '16 Garnet Red 1SS Join Date: Mar 2014
Location: College Station, TX
Posts: 3,450
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Quote:
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'16 Camaro 1SS
'18 Miata GT Gone: '01 Camaro, '14 Camaro, '90 Miata |
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06-26-2020, 09:53 AM
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#7 | |
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Drives: 2018 Camaro SS 1LE Join Date: Jul 2018
Location: Stuttgart, Germany
Posts: 807
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Quote:
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06-26-2020, 11:25 AM
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#8 | |
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Drives: 2017 50th Camaro SS Join Date: Jul 2016
Location: Maryland
Posts: 525
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Quote:
Yes he was. Apparently his Google Foo is deficient.
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50th Anniversary Edition |Borla Atak and 60606 mid pipes| Kooks 1 7/8" | ProCharger Stage II |305/45/17 DRs | Circle D 3500 stall | LT4 fueling | Custom made Lowside Aux Pump | Alky Control Meth | DSX E85
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06-26-2020, 12:10 PM
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#9 | |
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Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,755
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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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06-26-2020, 03:37 PM
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#10 |
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Drives: 2020 LT1 M6 Join Date: Jan 2016
Location: South, the DEEP south
Posts: 1,114
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Reading davispaintandbody posts always brings a smile to my face, it's even sweeter when the sponsored vendors who have had the pleasure of speaking to him chime in and elaborate on the details Davis leaves out
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