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04-18-2016, 06:47 AM
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#15 |
  Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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Tuning is Wednesday morning. On the logs... Yes. The LTrims are now slightly positive most of the time. This indicates a change in volumetric efficiency. I'll tune that back correctly after I complete the WOT tune.
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04-19-2016, 02:00 PM
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#16 |
 
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That system bolts right up? no welding required?
If so, I'm in!
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2SS Nightfall Grey / Black Rally Stripes / Sunroof
NPP / MRC /1LE Suspension / Nav / M6/ Xpel'd / CAI |
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04-19-2016, 02:01 PM
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#17 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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True bolt in! No welding.
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04-19-2016, 02:07 PM
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#18 |
 
Drives: 16 Camaro SS Join Date: Nov 2015
Location: 818
Posts: 413
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I would love to do this but I need my warranty
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04-19-2016, 07:10 PM
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#19 |
 Drives: Eh.. Join Date: Nov 2012
Location: FL
Posts: 77
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OT question... would you email me your stock .bin file? I wanted to check out one but there isn't on on their site yet.
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04-19-2016, 08:00 PM
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#20 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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Can you read HPT format?
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04-20-2016, 05:47 PM
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#21 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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Ok kids... my O2 delete instructions have some unintended consequences. What seemed like a logical approach, based on the knobs available, turned out to create an issue with the LTrims. I was doing some driving and logging last night and noticed bank 2 going negative on the order of 18-20%. A few days earlier both banks looked normal and tracked each other as expected. I added the O2 voltages and noticed that at idle and light loads (part throttle driving) the bank 2 O2 would rarely get above 0.1mV. My initial reaction was crap... unmetered air is getting in the exhaust stream some how on that bank. I double checked the intake manifold bolts and the manifold to cat delete flange. Everything was good. I then thought maybe I somehow damaged the O2 sensor during the swap. Then it dawned on me that a steady state of severely negative LTrim and and a low O2 voltage made zero sense. So I put my WB on that bank and it confirmed that the AFR was at stoich yet the O2 was reading way lean. This strange behavior had to be coming from the ECM. So I went and changed the O2 delete method to the old school way of just disabling the pertinent DTCs. As soon as I made the change everything fell back in to line and bank 2 started oscillating as expected.
I will post the DTC list as soon as I'm confident I've hit all of the pertinent ones. I'm letting the ECM throw the codes and changing them as needed. Sorry for the bad info. I didn't expect it to behave the way it did. HPT exposes a lot of knobs but they don't always work as you would hope. Tim |
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04-20-2016, 06:06 PM
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#22 |
        Drives: SS 6 speed of course Join Date: Jan 2016
Location: Hilo, HI
Posts: 4,332
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I have the HP Tuner, so please let me know what to do!
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
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04-20-2016, 06:09 PM
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#23 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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PM me and I'll give you my email. You can send me your stock file and I'll make the changes. You can then use it as a reference.
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04-21-2016, 01:43 AM
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#24 |
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Lethal Camaro
Drives: 16 2SS, 71 Std, Suburban RTS Join Date: Jun 2013
Location: Temecula, CA
Posts: 3,855
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Should also try to ping CA Performance. I know they tuned their car after the CEL's showed up. Might be able to provide some insight in what they did.
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04-21-2016, 02:37 AM
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#25 |
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SABIO
Drives: 2016 CAMARO 1SS Join Date: Jul 2015
Location: Bradford, ON
Posts: 5,012
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I have no idea what he just said............
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04-21-2016, 10:17 AM
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#26 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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Basically the original approach I took to turn off the rear O2s appeared to work correctly but over time those changes led to wierd behavior by the ECM. I've gone back to the more traditional approach and it's completely fine.
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04-21-2016, 10:19 AM
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#27 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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I have dyno results I'll post shortly of the pipes, stock manifold, and stock tuning. It's a modest gain from the pipes. Nothing earth shattering but definitely a good choice for those that want a bit more sound for cheap.
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04-21-2016, 12:30 PM
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#28 |
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Drives: 2016 Camaro SS Join Date: Jan 2016
Location: Mount Dora, FL
Posts: 779
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Red - stock cats/stock tuning
Blue - pipe delete/stock tuning Orange - pipe delete/my tuning The delete pipes show that the factory cats aren't a huge restriction on a stock engine. There is some to be gained past 6K with the reduced backpressure but nothing earth shattering. For $300 is beats a ported TB. Tuning is really needed to maximize the bolt on path. These are all with the stock intake manifold and no other mods. |
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