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10-22-2020, 04:23 PM
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#1 |
          
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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Ok, very stupid question regarding head casting # location
Just looking over my engine (LS3) and noticed that my head's casting numbers (821) are in a different location from when the car had the L99/823 heads installed. I think.
I could swear that on the 823 heads you could look at the front of the driver side head for the casting number. My current 821 heads have the driver side casting number on the rear of the head and the passenger side has the easier to see casting number on the front of the head. I know this is kind of nonsense, but when I noticed this I freaked out for a second and thought my engine builder installed my heads on backwards, which would lead to steam port issues - putting them at the rear of the engine. Common sense prevailed a few seconds later when I realized that if this was the case I would have noticed and had big issues long before I put the 4,000 miles on this new build. Also, even if I was to theoretically swap my heads to the other respective side, the 821 casting marks would still be in the same location...rear drivers side and front passenger side of the heads. Just to confirm - 823 heads, casting numbers on passenger rear/driver front. 821 heads on driver rear/passenger front? Or am I totally remembering the L99 wrong? None of this matters even the slightest bit. It's just for reorganizing my brain.
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
Last edited by InFiD3ViL; 10-24-2020 at 12:06 AM. |
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10-22-2020, 04:41 PM
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#2 |
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Donkey Dick Cam Camaro
Drives: 2010 2SS/RS LS3 M6 Join Date: Oct 2009
Location: Los Angeles, CA
Posts: 1,998
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driver side rear
passenger side front i where mine had them Sent from my SM-G975U using Tapatalk
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10-24-2020, 12:05 AM
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#3 |
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Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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Now I just need someone with an L99 to confirm theirs.
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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10-24-2020, 07:35 AM
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#4 |
 
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,019
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823 casting
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10-24-2020, 08:26 AM
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#5 |
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2&THEHIT
Drives: 5th Gen Camaro; 5th Gen Ram 3500 Join Date: Mar 2018
Location: Garner, NC
Posts: 1,012
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Ditto- drivers side front
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10-24-2020, 12:26 PM
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#6 |
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Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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Alright cool, thanks everyone. Thought I was going crazy for a second there. I know it's a weird thing to think about, but sometimes the stupidest stuff sticks in your head.
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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