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Thread: Check my data logging

  1. #1
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    Default Check my data logging

    Hey guys. New to the site. I bought a v1 off a friend a while back and just got my car to where i can learn how to use it.

    Now i have been going through all the tutorials and i see there is a huge learning curve but im sure ill get it soon. Little backround, i have been working on cars as a hobby for 15 yrs now. Done many engine swaps, routine maintenance even internal mods.

    This time around i slapped a 2000ta ls1/t56 into my 89 240sx coupe. Not to drift with, just as a weekend warrior fun project car (im to old to be drifting but i have a love for nissan) This car is my weekend project car when im not working.

    here is a list of the mods done to it

    ls6 intake, 80mm tb (bbk) has a hole drilled into it (bought that way)
    fueled racing long tube headers. rear o2's deleted 3" back to 3.5" out the rear
    hushpower muffler
    patriot extreme dual springs
    zo6 5wire maf
    new high pressure fuel pump
    doubler roller timing chain
    255 walboro intank fuel pump
    vette fpr, braided fuel lines up to front
    lc-1 wideband
    efilive v1
    all other supporting mods MINUS injectors (maybe later date)
    I did all the internal engine work myself. built this thing up after about a year.
    Got the car for 600 bucks. Its just something i been working on.

    so Now i have put the cam in and fired it up. Of course it runs like crap. not big deal. thats why i bought efi live to teach myself how to tune. Im in no rush to get this thing running right. this is not my daily driver. the cam i bought for a great deal is a huge cam. Donkey dick. I know you can get better street cams but i just bought this one off friend for cheap. as you will see soon by the cam card i post its pretty hefty.

    my basic goals are to get my car tuned by myself on going. Im not to worried about super streetable idle. this is a weekend only car. Just wanna get it running good and have some fun with it.

    so here is the cam card

    Serial # P 6926-09 Spec Card# 15576909
    Part # 54-000-11 CAMSHAFT, LS1 CHEVY LS1/GEN III '97-UP
    Core C54-11II CAMSHAFT BLANK, LS1 1997 UP 5.7 CORVETTE
    Grind # LS1 3729R /3732R HR114.0
    DURATION @ .050 INTAKE 238 ROCKER ARM RATIO
    VALVE ADJ INTAKE .000 DURATION @ .050 EXHAUST 244 INTAKE 1.70
    VALVE ADJ EXHAUST .000 LOBE LIFT INTAKE .3560 EXHAUST 1.70
    VALVE LIFT INTAKE .605 LOBE LIFT EXHAUST .3600
    VALVE LIFT EXHAUST .612 LOBE SEPARATION 114.0
    DURATION .006 INTAKE C/L 110.0
    TAPPET LIFT INTAKE 287 CAM ADVANCE 4
    TAPPET LIFT EXHAUST 293 HYDRAULIC Y
    VALVE TIMING .050 OVERHEAD CAM N
    VALVE OPEN INTAKE 9 JOURNAL DIAMETER STD 2.165
    VALVE OPEN EXHAUST 60 RECOMMENDED VALVE SPRINGS
    VALVE CLOSED INTAKE 49 DEPARTMENT P
    VALVE CLOSED EXHAUST 4 SPC INSTR FOR CUSTOMER



    also i have flashed weathermanshawn's base tune ls1-m6 and os from the idle tips and tricks forum to start from.

    ill now post up a couple logs of me just driving it around the block. I just wanna make sure im doing all the pid's right and if im missing logging something let me know. Please dont be to shocked by the numbers. I have not made changes to weathermans tune. Im just using it as a starting point. I know these huge cams can be tricky do to overlap.


    so lemme know what you guys think about the attached files. Ill post another modified tune once i get better at understanding the autove tutorial
    Attached Files Attached Files

  2. #2
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    update disregard those last logs. I didnt follow the autove. this time i did follow it to a T and i had some problems. car wont run when i put it in gear and give it throttle. it just dies. im using weathermanseans ls1-m6 base tune (for small cams) thats posted in teh idle tips and tricks. FOLLOWED the autove proceedure. maybe its my 5 wire maf. although i read on one thread here if you fail the maf you can still leave it plugged in for the iat. not sure. and guess i need to figure out my map to make sure its working.

    getting this sorted out so i can post some real logged data

  3. #3
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    ok i started off with ls1-m6 base tune
    modified everthing per autove tutorial except the 15% across the veboard
    ran my first log and followed the tutorials procedures.
    applied my first log to tune, reflashed and made a second log. does it look like im heading in right direction?
    Attached Files Attached Files

  4. #4
    Joe (Moderator) joecar's Avatar
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    Hi dm79,

    Welcome to the forum

    so your cam is 238/244 114 @.050...?

    I'm starting to look at your files...

  5. #5
    Joe (Moderator) joecar's Avatar
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    Hi dm79,

    There's not enough steady throttle.

    Can you post pics of your BEN map.

    Did you appy the transient filter before paste/multiplying the BEN map...?

    What fuel are you using...?

  6. #6
    Joe (Moderator) joecar's Avatar
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    DANGER: check your tunetool fueling units, you have it set to Lambda

    (which means your initial setup of B3605 is inverted, i.e. dangerously lean at high load).


    fix this like this:
    - go Edit->Properties->Display, and under Commanded Fuel Values select EQR;
    - close the tunetool and restart it;
    - goto B3605 and redo the set up on this table (eyeball the units in the upper right corner of the 3D view).

  7. #7
    Joe (Moderator) joecar's Avatar
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    Also, to get the MAF to fail quicker, in C6001 set P0101, P0102, P0103 to A-1Trip

    (and when engine is running check that one of these is present, which makes the PCM read the VE table exclusively).

  8. #8
    Joe (Moderator) joecar's Avatar
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    Set C3905 to a higher value, e.g. 85 kPa.

  9. #9
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    correct on teh cam size. and thanks for pointing out the lean lambda i will correct all this tonight and post up some pictures. thanks for the help so far!!

  10. #10
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    also i did apply the filter before copy and pasting. im using 93 octane.

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