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Thread: any suggestion?? need help with cam

  1. #11
    Lifetime Member hquick's Avatar
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    A more correct 'looking' PE table would be:

    12.499731
    12.499731
    12.499731
    12.499731
    12.499731
    12.499731
    12.499731
    11.501663
    11.501663
    11.501663
    11.501663
    11.501663
    11.501663
    11.501663
    11.501663
    11.501663
    11.501663

    The wideband signal should hook up directly to your EFILive interface.
    I'd start by going back to that tune and just start with setting your IFR's correctly and go from there through the AutoVE process.
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.
    IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.


    98 K1500 'HOLDEN' Suburban.
    Custom Whipple SC, Mercruiser Marine intake, 0411 PCM, 4L80E w/shift kit

  2. #12
    Lifetime Member swingtan's Avatar
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    Quote Originally Posted by hquick View Post
    By telling the PCM you have smaller than actual injectors...you will be running VERY rich.
    Your injectors are a 'known' value so you should keep them at that value.
    At those PE settings....if you managed to get the vehicle up to decent speed and RPM and then stomped on it..I'd be worried you'd hear the tinkle..tinkle of engine parts bouncing down the road!
    Do you have a copy of the 'stock' tune.
    Some more ehicle details wouldn't hurt either?
    That would explain the PE settings. It runs rig rich normally so you'd pull heaps of fuel out to get it to run at WOT. But the rest of the tune is still set up wrong so it'll flood at everything but WOT.

    So the steps to correct would be.....

    1. Correct the IFR to match the injectors that you are actually running. This will lean out the mixtures to a "more correct" value for normal driving conditions.
    2. Reset the commanded PE to something more sane, like 12.5:1 for starters, this can be fine tuned later.
    3. Smooth out the main spark table to remove the step at 95kPA
    4. Do the Auto VE process to correct the VE
    5. Fine tune the main spark table to suit.


    This all needs to be done with the WB connected. I have not used an AEM so couldn't give exact instructions on hooking it up, but if you do a forum search for something like "connect AEM" you may get lucky.

    Simon.

  3. #13
    Lifetime Member hquick's Avatar
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    Here's a stock 7.4L tune with the same Op system as yours.
    Open your current tune and then open this one as a compare
    This will show you the differences.
    As I posted earlier....more vehicle details will make it alot easier for some of the 'smarter' guys (like Simon) to help you. Otherwise...alot of it is a stab in the dark. Some things such as those we've pointed out ring alarm bells.....but there are probably alot of others which aren't as obvious that can be made obvious via a compare with a stock tune from the same model vehicle.
    Guessing it's a 98-2000 7.4L Vortec motor?
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.
    IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.


    98 K1500 'HOLDEN' Suburban.
    Custom Whipple SC, Mercruiser Marine intake, 0411 PCM, 4L80E w/shift kit

  4. #14

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    idk if it matters or not but that tune file is for an L19. my motor is the L29 series.

  5. #15
    Lifetime Member hquick's Avatar
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    Don't know if it matters either. They're both 7.4L and I can't find a stock L29 tune listed in the 'Holden Crazy' tune repository.
    There are a hell of alot of differences between your tune and that L19 7.4L stock tune though.
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.
    IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.


    98 K1500 'HOLDEN' Suburban.
    Custom Whipple SC, Mercruiser Marine intake, 0411 PCM, 4L80E w/shift kit

  6. #16

    Default

    between my tune i first posted or my stock tune? the first tune i posted theres alot of stuff changed as it was the tune i ran with my stock motor

  7. #17
    Lifetime Member hquick's Avatar
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    Between the two tunes you posted....there's very little difference.
    Between your tune and the stock L19 tune....there's ALOT of differences.
    I don't believe there should be so much differences between your stock tune and the L19 tune.
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.
    IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.


    98 K1500 'HOLDEN' Suburban.
    Custom Whipple SC, Mercruiser Marine intake, 0411 PCM, 4L80E w/shift kit

  8. #18

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    i just looked threw both entire tunes my STOCK tune and the L19 tune for the c3500. the only two differences i found in the entire tune was that the c3500 had a higher baseline trans pressure and the speedo cal was for a different size tire. i dont see what u mean that my stock tune (second one i posted) was way different from that one

  9. #19
    Lifetime Member hquick's Avatar
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    Sorry...I was getting confused.
    These are the differences between your modified tune and the stock L19 tune.


    Comparison summary: 12:34:40 pm, Friday May 01, 2009

    Calibration comparison between jake%20new%20built%20motor%20last%20tune%20mod[1].tun and 2000 Chevrolet C3500 Truck Automatic L19 7.4 Litre (PCM 16265175).tun.
    *Values that differ by more than 0.100000% are considered different.


    B3618 "PE Modifier Based on RPM" -3.0134 "Different from row 0 to row 16 inclusive."
    B1044 "PE RPM Threshold" 1.5625 "Different from row 0 to row 4 inclusive."
    B1045 "PE Throttle TPS Threshold" 10.5882 "Different from row 0 to row 10 inclusive."
    B1046 "PE Throttle Hysteresis" -28.2353 "CAL: 30.1 <-> ALT: 2.0"
    B1047 "PE Delay RPM Bypass" 89.8436 "CAL: 1300 <-> ALT: 12800"
    B1051 "PE Delay" 19.9167 "CAL: 0.25 <-> ALT: 60.00"
    B1050 "PE Delay Reduction By Throttle" 0.3000 "Different from row 0 to row 14 inclusive."
    B1058 "Injector Flow Rate" 0.7858 "CAL: 2.3 <-> ALT: 2.8"
    B5913 "Main Spark Advance" -4.7059 "Different from cell: 0,16 to cell: 15,18 inclusive."
    B5932 "Main Spark Advance, Closed Throttle" -1.5686 "Different from cell: 0,0 to cell: 8,18 inclusive."
    B1003 "Minimum Spark Advance Traction Control Active" -3.3345 "Different from row 0 to row 5 inclusive."
    B7970 "Spark Reduction Torque Loss" 99.9939 "Different from row 1 to row 16 inclusive."
    B1200 "Desired Idle Speeds" -8.3333 "Different from cell: 2,8 to cell: 3,16 inclusive."
    B1145 "BTM MPH In 4WD Low Activation" -100.0000 "CAL: 412 <-> ALT: 0"
    B1146 "BTM MPH In 4WD Low Hysteris" -99.7604 "CAL: 411 <-> ALT: 0"
    B1147 "BTM MPH In 2WD Enabler" -100.0000 "CAL: 412 <-> ALT: 0"
    B1148 "BTM MPH In 2WD Low Hysteris" -99.7604 "CAL: 411 <-> ALT: 0"
    B1152 "BTM Apply Rate" 100.0000 "CAL: 0.0 <-> ALT: 88794.1"
    B1153 "Max Torque Value Of Engine" -4.9012 "CAL: 99.9 <-> ALT: 95.0"
    B1154 "BTM Idle Limit" 25.0004 "Different from row 0 to row 14 inclusive."
    B1155 "BTM No Idle Condition Max" 25.0004 "Different from row 0 to row 14 inclusive."
    C6001 "Engine DTC Processing Enablers" N/A "Different from row 44 to row 44 inclusive."
    C6002 "Engine DTC MIL Enablers" N/A "Different from row 10 to row 11 inclusive."
    D1070 "4wd Low Torque Limit 1st Gear" -53.7667 "CAL: 2032.4 <-> ALT: 939.6"
    D1074 "4wd Low Torque Limit Reverse" -44.6333 "CAL: 2032.4 <-> ALT: 1125.3"
    D1019 "Abuse Vehicle Speed Threshold" 99.6109 "CAL: 0.0 <-> ALT: 410.4"
    D1020 "Abuse Management TPS Upper Threshold" -94.1176 "CAL: 99.6 <-> ALT: 5.9"
    D1021 "Abuse Management TPS Lower Threshold" -56.4706 "CAL: 60.2 <-> ALT: 3.9"
    B1041 "Torque Management Min Temp To Enable" -99.8689 "CAL: 150.8 <-> ALT: -39.8"
    D1189 "Abuse Mode Max Time In Drive" 0.1831 "CAL: 0.0 <-> ALT: 0.8"
    D1190 "Abuse Mode Max Time In Reverse" 0.1221 "CAL: 0.0 <-> ALT: 0.5"
    D1142 "RPM Abuse Limit Enabler" -76.2963 "CAL: 8000 <-> ALT: 1750"
    D1143 "Abuse Mode Speed Enable" 21.4847 "CAL: 0 <-> ALT: 89"
    D1025 "Abuse Management (in Gear) Upper RPM Threshold" -51.5633 "Different from row 0 to row 2 inclusive."
    D1026 "Abuse Management (in Gear) Lower RPM Threshold" -45.3132 "Different from row 0 to row 2 inclusive."
    D1092 "WOT 1->2 Shift Speeds, Normal" -1.9532 "CAL: 43.5 <-> ALT: 35.4"
    D1127 "WOT 1->2 Shift RPM, Normal" -4.2726 "CAL: 5000 <-> ALT: 4650"
    D1128 "WOT 2->3 Shift RPM, Normal" -1.8311 "CAL: 4800 <-> ALT: 4650"
    D1129 "WOT 3->4 Shift RPM, Normal" -1.2207 "CAL: 4500 <-> ALT: 4400"
    D1183 "Base Pressure 1->2 Shift" 3.1250 "Different from cell: 0,4 to cell: 0,32 inclusive."
    D1184 "Base Pressure 2->3 Shift" 3.1250 "Different from cell: 0,4 to cell: 0,32 inclusive."
    D1136 "High Pressure Adjust 1-2 Shift" -3.3473 "Different from row 0 to row 16 inclusive."
    D1137 "High Pressure Adjust 2-3 Shift" -3.3473 "Different from row 0 to row 16 inclusive."
    D1159 "TCC Apply Speeds - Second Gear" 88.2811 "Different from cell: 0,13 to cell: 0,16 inclusive."
    D1160 "TCC Apply Speeds - Third Gear" 14.8440 "Different from cell: 0,14 to cell: 0,16 inclusive."
    D1161 "TCC Apply Speeds - Fourth Gear" 8.9845 "Different from cell: 0,15 to cell: 0,16 inclusive."
    D1162 "TCC Release Speeds - Second Gear" 12.1096 "Different from cell: 0,13 to cell: 0,16 inclusive."
    D1163 "TCC Release Speeds - Third Gear" 8.2033 "Different from cell: 0,14 to cell: 0,16 inclusive."
    D1164 "TCC Release Speeds - Fourth Gear" 9.3751 "Different from cell: 0,0 to cell: 1,16 inclusive."
    D1191 "Torque Reduction 1->2 Shift" 13.9988 "Different from cell: 0,0 to cell: 1,16 inclusive."
    D1192 "Torque Reduction 2->3 Shift" -14.9998 "Different from cell: 0,0 to cell: 1,16 inclusive."
    D1193 "Torque Reduction 3->4 Shift" -29.9997 "Different from cell: 1,0 to cell: 1,16 inclusive."
    D1197 "Torque Reduction 2->1 Shift" -10.0009 "Different from row 0 to row 16 inclusive."
    D1198 "Torque Reduction 3->2 Shift" -10.0009 "Different from row 0 to row 16 inclusive."
    D1199 "Torque Reduction 4->3 Shift" -14.9998 "Different from row 0 to row 16 inclusive."
    D1144 "Abuse Mode Torque Reduction" 54.9994 "Different from row 3 to row 16 inclusive."
    B1007 "Aux Fan Coolant Disable Temp" 8.2569 "CAL: 86.3 <-> ALT: 102.0"
    B1008 "Aux Fan Coolant Enable Temp" 7.4705 "CAL: 93.0 <-> ALT: 107.3"
    B1010 "Aux Fan Min. Run Time" -2.4414 "CAL: 50 <-> ALT: 30"
    B1011 "Aux Fan Off Speed" -7.8126 "CAL: 113 <-> ALT: 80"
    B1012 "Aux Fan Off Shutdown Coolant Degrees enable" 2.7523 "CAL: 102.0 <-> ALT: 107.3"
    B1013 " Aux Fan On Speed" -9.7658 "CAL: 105 <-> ALT: 64"
    B1014 "Aux Fan On Shutdown Coolant" 7.0773 "CAL: 107.3 <-> ALT: 120.8"
    B7202 "A/C Disable TPS" 9.8039 "CAL: 87.11 <-> ALT: 96.87"
    B7203 "A/C Enable TPS" 2.3529 "CAL: 82.81 <-> ALT: 85.16"
    H0101 "Speedometer Correction" 8.8486 "CAL: 62564.3 <-> ALT: 72353.3"
    H1050 "ABS Tire Correction" 0.6882 "CAL: 23170.3 <-> ALT: 24265.0"
    H1052 "Maximum Vehicle Speed" -12.5002 "CAL: 209 <-> ALT: 158"
    H1053 "Speed Limiter Disable" -13.6721 "CAL: 208 <-> ALT: 151"
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.
    IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.


    98 K1500 'HOLDEN' Suburban.
    Custom Whipple SC, Mercruiser Marine intake, 0411 PCM, 4L80E w/shift kit

  10. #20
    Lifetime Member hquick's Avatar
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    Between YOUR stock tune and the L19 stock tune....there are very few differences.

    Comparison summary: 12:39:29 pm, Friday May 01, 2009

    Calibration comparison between jake%20stock%202000%207.4[1].tun and 2000 Chevrolet C3500 Truck Automatic L19 7.4 Litre (PCM 16265175).tun.
    *Values that differ by more than 0.100000% are considered different.


    D1183 "Base Pressure 1->2 Shift" 3.1250 "Different from cell: 0,4 to cell: 0,32 inclusive."
    D1184 "Base Pressure 2->3 Shift" 3.1250 "Different from cell: 0,4 to cell: 0,32 inclusive."
    H0101 "Speedometer Correction" 2.9488 "CAL: 69091.1 <-> ALT: 72353.3"
    H1050 "ABS Tire Correction" 0.6882 "CAL: 23170.3 <-> ALT: 24265.0"
    Howard

    YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE. IF IT DOESN'T
    MOVE AND SHOULD, USE THE WD-40. IF IT SHOULDN'T MOVE AND DOES, USE THE
    DUCT TAPE.
    IF YOU CAN'T FIX IT WITH A HAMMER, YOU'VE GOT AN ELECTRICAL PROBLEM.


    98 K1500 'HOLDEN' Suburban.
    Custom Whipple SC, Mercruiser Marine intake, 0411 PCM, 4L80E w/shift kit

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