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03-13-2024, 10:40 AM
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#29 |
  
Drives: 2010 2SS/RS A6 Join Date: May 2019
Location: Hki.Finland
Posts: 952
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Remove the Range completely from the OBD port.
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03-13-2024, 08:25 PM
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#30 |
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2&THEHIT
Drives: 5th Gen Camaro; 5th Gen Ram 3500 Join Date: Mar 2018
Location: Garner, NC
Posts: 1,013
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What's your intake look like? Cleaned/ replaced filter lately?
I agree with above- Octane rating isn't going to effect the air fuel ratio and obviously yours is way off. Have the plugs looked like this for a while or just recently? I think your tune is off. A lot of guys like to simply add more fuel to the map and sometimes it's too much. You have way too much fuel and not enough 1) air or 2) spark. You also said you had the heads off. What gasket did you use when replacing them? |
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03-13-2024, 11:07 PM
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#31 |
     
Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020
Location: Austin, TX
Posts: 2,105
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Did your overly rich problem start after deleting your cats?
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DSS FX Forged Pistons, Eagle ESP L19 Forged Rods, ARP Head and Main Studs, TSP PRC 260 CNC Ported Heads milled .030, Cometic .040 Head Gaskets, GPI SS3 VVT Camshaft, GM Performance Racing Lifters, CHE Trunnions , Molly Pushrods, Melling 10355HV Oil Pump, Cold Air Inductions CAI, Fast LSXR Intake Manifold, Nick Williams 103 TB, TSP 1 7/8" Longtubes with 3" TSP Exhaust, ZL1 Fuel Pump, Mishimoto Radiator, Mishimoto Oil Cooler, Tru Cool 40k Tranny Cooler, 3600 Circle D Converter, Fluid Dynamics Balancer
Build Thread https://www.camaro5.com/forums/showthread.php?t=609817 |
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03-14-2024, 04:56 AM
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#32 | |
 Drives: 2011 Chevrolet Camaro SS A/T Join Date: Aug 2022
Location: Wyoming, Kirby
Posts: 45
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Quote:
So, my goal is to check coolant temp sensor, MAP and MAF... |
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03-14-2024, 05:02 AM
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#33 | |
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Drives: 2011 Chevrolet Camaro SS A/T Join Date: Aug 2022
Location: Wyoming, Kirby
Posts: 45
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Quote:
I think your tune is off - but why after injectors cleaning my short/long-term fuel trims are OK ? ))) You also said you had the heads off. What gasket did you use when replacing them? - GM 12610046 with new Mahle Bolts. |
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03-14-2024, 05:10 AM
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#34 |
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Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020
Location: Austin, TX
Posts: 2,105
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How old are your o2 sensors?
__________________
DSS FX Forged Pistons, Eagle ESP L19 Forged Rods, ARP Head and Main Studs, TSP PRC 260 CNC Ported Heads milled .030, Cometic .040 Head Gaskets, GPI SS3 VVT Camshaft, GM Performance Racing Lifters, CHE Trunnions , Molly Pushrods, Melling 10355HV Oil Pump, Cold Air Inductions CAI, Fast LSXR Intake Manifold, Nick Williams 103 TB, TSP 1 7/8" Longtubes with 3" TSP Exhaust, ZL1 Fuel Pump, Mishimoto Radiator, Mishimoto Oil Cooler, Tru Cool 40k Tranny Cooler, 3600 Circle D Converter, Fluid Dynamics Balancer
Build Thread https://www.camaro5.com/forums/showthread.php?t=609817 |
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03-14-2024, 06:43 AM
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#35 |
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I'm guessing you don't have HPTuners to be able to run a log?
What part number plug are you running?
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03-14-2024, 09:53 AM
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#36 | |
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Drives: 2011 Chevrolet Camaro SS A/T Join Date: Aug 2022
Location: Wyoming, Kirby
Posts: 45
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03-14-2024, 09:54 AM
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#37 | |
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Drives: 2011 Chevrolet Camaro SS A/T Join Date: Aug 2022
Location: Wyoming, Kirby
Posts: 45
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03-14-2024, 10:40 AM
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#38 | |
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Drives: 2010 2SS/RS A6 Join Date: May 2019
Location: Hki.Finland
Posts: 952
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03-14-2024, 11:07 AM
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#39 | |
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Quote:
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03-14-2024, 11:23 AM
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#40 |
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So you said in post #8 it runs rich, then in post #9 Fuel trims are excellent and idles lean.
You can't have both. Do you have a cheapo scanner to connect to OBDII to get a real time Fuel trim reading?
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03-14-2024, 11:24 AM
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#41 | |
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Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020
Location: Austin, TX
Posts: 2,105
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Quote:
__________________
DSS FX Forged Pistons, Eagle ESP L19 Forged Rods, ARP Head and Main Studs, TSP PRC 260 CNC Ported Heads milled .030, Cometic .040 Head Gaskets, GPI SS3 VVT Camshaft, GM Performance Racing Lifters, CHE Trunnions , Molly Pushrods, Melling 10355HV Oil Pump, Cold Air Inductions CAI, Fast LSXR Intake Manifold, Nick Williams 103 TB, TSP 1 7/8" Longtubes with 3" TSP Exhaust, ZL1 Fuel Pump, Mishimoto Radiator, Mishimoto Oil Cooler, Tru Cool 40k Tranny Cooler, 3600 Circle D Converter, Fluid Dynamics Balancer
Build Thread https://www.camaro5.com/forums/showthread.php?t=609817 |
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03-14-2024, 08:09 PM
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#42 |
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2&THEHIT
Drives: 5th Gen Camaro; 5th Gen Ram 3500 Join Date: Mar 2018
Location: Garner, NC
Posts: 1,013
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That's a good move. I had one go bad as well.
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