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08-13-2025, 02:14 PM
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#1 |
 Drives: '22 Chevrolet Camaro 2SS 1LE M6 Join Date: Nov 2022
Location: Nevada
Posts: 2
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LT1 to LT4 Fuel Injector Upgrade
Hi, I have a '22 SS 1E with a 6 speed. I am building a parts list of things I want to upgrade on it. I am trying to research everything I need to upgrade the stock LT1 injectors to the LT4 injectors. From what I've gathered is the SS 1LE comes with the LPFP from the ZL1 but not the HPFP from it. Would I need to upgrade that too? What is everything I need to do the upgrade? Thanks!
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08-13-2025, 02:38 PM
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#2 |
  
Drives: 2017 2ss 6mt Join Date: Mar 2024
Location: dallas
Posts: 948
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Why are you upgrading injectors? What mods do you have? What goals of power are you trying to get to? Are your stock components not keeping up with what you have?
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08-13-2025, 06:44 PM
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#3 | ||
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 6,199
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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08-13-2025, 07:40 PM
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#4 | |
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Long hauler
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Quote:
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2022 2SS 1LE - Window Sticker - Cold Air Inductions Elite Carbon CAI
2016 1LT v6 - Totaled Happiness: Infinite  |
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08-13-2025, 09:07 PM
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#5 |
 Drives: 1999 Z28, 2011 2SS VERT, 2016 1SS Join Date: Mar 2018
Location: Denton N.C.
Posts: 51
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I think the injector hole in the heads on a 22 are bigger and take a bigger diameter injector on the 22 than the earlier years. If I'm not mistaken they changed sometime on the later ones.
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2016 Camaro 1SS, A8, rebuilt engine with GPI forged drop ins, Cam Motion stage 2 Pd blower cam, C5R chain, LMR chain tensioner, Katech pump, MSD intake, 95mm tb, I ported my heads, speed engineering 1 7/8 long tubes hooked to the factory exhaust , Lt4 fuel system. 505 rwhp, 461.8 torque
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08-13-2025, 10:13 PM
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#6 | |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 6,199
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Quote:
__________________
2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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08-14-2025, 01:09 AM
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#7 |
 
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There's an upgrade kit available with the pump, injectors and hard lines.
(link to ebay, not as a receommendation but as an example) https://www.ebay.com/itm/326397464672
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Camaro SS - (almost) FBO/E85: Tuned by Snackbar Tuning/21st Century Muscle Cars
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08-16-2025, 09:13 PM
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#8 |
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Drives: 1999 Z28, 2011 2SS VERT, 2016 1SS Join Date: Mar 2018
Location: Denton N.C.
Posts: 51
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I bought mine from Rock Auto , cheapest place I found , use the GmM part #s
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2016 Camaro 1SS, A8, rebuilt engine with GPI forged drop ins, Cam Motion stage 2 Pd blower cam, C5R chain, LMR chain tensioner, Katech pump, MSD intake, 95mm tb, I ported my heads, speed engineering 1 7/8 long tubes hooked to the factory exhaust , Lt4 fuel system. 505 rwhp, 461.8 torque
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