06-20-2022, 06:53 PM | #1 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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Secondary Trunk battery cable
So if you don’t know I made a thread 2 weeks ago about a no start that sounded like a bad starter. Being a GM guy and having a bunch of 70’s firebirds, novas, monte carols…. Etc….. I am used to replacing starters on my cars yearly lol. I just got my car back after being rebuilt and it was sitting for 8 months. Drove the car for the first few weeks then life happens and it sat for over a week and got a click instead of a crank. My first thought was a starter but I’ve read and peoples comments about battery or cable starting getting me thinking. I’m pretty sure my battery is weak due to sitting so long (8 months) without being started or charged I figure it’s weak and I will replace it soon. But also people where talking about adding a extra negative battery cable in the trunk. I ordered the cable in Amazon and got 2 for $12 and are good quality. I removed the body ground from the trunk and it almost broke off it was so rusted. There is no way it was a solid ground as is with how much rust there was. I cleaned up the bolt and added some dielectric grease and added the new ground cable. The car starts so much quicker and stronger now. Best mod to do and also needs to be addressed anyway due to the heavy rust that builds up on that bolt.
Will still be replacing battery this summer. Just figuring what’s a lighter weight one that would be good for a weekend driver.
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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06-20-2022, 07:01 PM | #2 |
Drives: 2013 zl1 vert Join Date: Dec 2018
Location: Rochester, New york
Posts: 949
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I did the same thing, ordered 2 24” 2awg wire with premade ends on them. One i put on the battery ground with the factory ground also attached. The second ground i installed it from the transmission bolt to the engine cradle subframe. It already has a threaded insert on it.
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22% lower/ 2.5 upper/ 2” headers/ cat delete/ x-pipe/ 2 gallon x tank/ 100-3 pump/ fic 850/ dsx aux kit/ 103mm throttle body/ RPM 5” intake/ meth kit/ prometh lid injection/FI interchiller/ 160* stat/ ngk-7/ msd wires/ elite catch can/ tsp cam/ Che trunnions/ ported supercharger/ 1/2” lid spacer/ brick mod/BMR toe and trailing arms/ 751hp 757 tq SAE @17.3lb on a loaded dyno.
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06-20-2022, 07:05 PM | #3 | |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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Quote:
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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06-20-2022, 07:23 PM | #4 |
Drives: 2013 zl1 vert Join Date: Dec 2018
Location: Rochester, New york
Posts: 949
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No rust at all. Car was a Texas car before i bought it.
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22% lower/ 2.5 upper/ 2” headers/ cat delete/ x-pipe/ 2 gallon x tank/ 100-3 pump/ fic 850/ dsx aux kit/ 103mm throttle body/ RPM 5” intake/ meth kit/ prometh lid injection/FI interchiller/ 160* stat/ ngk-7/ msd wires/ elite catch can/ tsp cam/ Che trunnions/ ported supercharger/ 1/2” lid spacer/ brick mod/BMR toe and trailing arms/ 751hp 757 tq SAE @17.3lb on a loaded dyno.
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06-21-2022, 06:38 AM | #5 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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Ahhh nice. Mine is a New York car and we see alot of salt from the winter and living on the south shore by the water even more from the ocean.
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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06-21-2022, 08:35 AM | #6 |
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,417
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I did this "extra" ground cable in the trunk as well. Nice difference in startups now, especially when hot.
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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06-24-2022, 09:23 PM | #7 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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Seems to help a lot and a cheap mod
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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06-25-2022, 08:58 AM | #8 |
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,417
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Yes sir! Agreed. And I haven't done the "other" ground yet, trans to frame as this one seems to have made a good difference alone.
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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06-25-2022, 10:04 AM | #9 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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I have a second one too for that but this one really made a huge difference already I may not even need it. I also see a jumper under the hood people do where the bolt jumper is. My bolt is rusted si may just clean it up and add dielectric grease like the trunk.
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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06-25-2022, 06:02 PM | #10 | |
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,417
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Quote:
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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06-07-2023, 09:50 AM | #11 |
Drives: 2010 2SS/RS A6 Join Date: May 2019
Location: Hki.Finland
Posts: 949
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06-13-2023, 03:15 PM | #12 |
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,570
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Gotta be very careful. Mine was rusted and wound up getting cross threaded. The bolt snapped at the surface. What a nightmare to drill out. Now I have a coated bolt that I bolt from the bottom, underneath the car. Took that opportunity to also add the 2nd trunk ground. With my new high torque starter, starting is quick every time, even when hot.
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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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