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Type: Posts; User: Mez

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  1. Changed the AC Delco battery to the Interstate...

    Changed the AC Delco battery to the Interstate MTP48-H6. Perfect fit but a somewhat a PITA due to the location and power board near the positive terminal.

    No DIC codes after 50 miles but still no...
  2. After another short drive, numerous codes were...

    After another short drive, numerous codes were thrown including P0575 Cruise Control Input Circuit, P0703 Brake Switch B Circuit, P0856 Traction Control Input Signal, P2548 Blank, U0073 Control...
  3. Reflash then no Performance Traction Management (PTM)

    I have a 2014 Corvette, Z51, Mag Ride and E-Diff. These options are mandatory for PTM. It was working before the recent flash updates.

    This morning I made minor changes to the tune then...
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    What is ignition advance doing at off idle RPM to...

    What is ignition advance doing at off idle RPM to 2800?
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    I did. I only tuned the MAF and set P420/P430...

    I did.

    I only tuned the MAF and set P420/P430 to do not report.
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    I added to do various tables but didn't seem to...

    I added to do various tables but didn't seem to make huge difference
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    Timing and Rev Match

    I noticed that when Rev Match is engaged, ignition advance stay down in the 15 degrees range until ~2200 rpm at 20% throttle. Then suddenly jumps up to ~39 degrees. There is a jump in torque. Very...
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    After a few more logs, I am convinced this is not...

    After a few more logs, I am convinced this is not an issue.
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    Bank 1 O2 Sensor Voltage strange

    When I looked at a scan today, I noticed the Bank 1 O2 sensor voltage is erratic and much different than Bank 2.

    Car has ARH mid length headers and ARH cats.

    I assume its a problem. Here are...
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    Same here.

    Same here.
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    Well, as I said, looking for a Config file for a...

    Well, as I said, looking for a Config file for a 2014 LT1.
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    C7 Config File Please

    Anyone have a config file to share for a C7?
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    Not really......

    Not really......
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    Vacuum leak. You said you checked it, but keep...

    Vacuum leak. You said you checked it, but keep looking.

    Also, check for exhaust leaks ahead of the O2 sensor.
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    Post scan and tune please.

    Post scan and tune please.
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    It should tell you if your are on the right track...

    It should tell you if your are on the right track or not.
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    Try loading the stock Final minimum air flow...

    Try loading the stock Final minimum air flow table then multiplying it by .75 and let us know if that makes a difference.
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    Timing seems very low in the higher RPM at WOT....

    Timing seems very low in the higher RPM at WOT. Why?
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    Is your "spark smoothing" turned "off"? There...

    Is your "spark smoothing" turned "off"? There are threads that traced weird spark dips to spark smoothing set to "on". Try turning it "off".
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    HP Tuners has it correct. I like the data...

    HP Tuners has it correct. I like the data reported in the cells it sees it. I don't want s system that I have to figure out how the programmer interpreted that data.

    I believe the same logic...
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    Go to Spark > Idle Spark Advance > Base. There...

    Go to Spark > Idle Spark Advance > Base.

    There are differences in opinion here. On my 2005 Corvette with a mild head/cam set up, I left the High Octane spark cells almost stock and left the idle...
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    You are not going to like my answer but unless...

    You are not going to like my answer but unless you have days and days to learn HP Tuners and lots money for gas to tune on the street or access to to frequent trips to the dyno, you would be better...
  23. Thread: fan temps

    by Mez
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    What problem are you trying to solve?

    What problem are you trying to solve?
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    The timing is jacked way up at the low RPM cells...

    The timing is jacked way up at the low RPM cells / low load cells on all your timing tables which can cause low speed driveability issues. One of my pet peeves is making the high and low octane...
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    I experimented with these setting and what worked...

    I experimented with these setting and what worked best for my combination was 15 and 12 rpm but I have a mild cam.

    In principle I would agree with you but if the RPM has a tendency to jump...
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