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  1. Thread: tapped out

    by dhworkin
    Replies
    31
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    6,329

    I’ve been working on it. Was getting low fuel...

    I’ve been working on it. Was getting low fuel pressure when throttling from under the hood so I change the fuel pump and noticed better acceleration but the hesitation was still there at 1500 RPMs....
  2. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    17748 data log 418.xdl. 418nowbo2.xdl same bin...

    17748 data log 418.xdl. 418nowbo2.xdl same bin with these changes 17749.
  3. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    Big improvement! 17745. Here is a log without...

    Big improvement! 17745. Here is a log without wbo2 parameters set. 17746. Shows a little more SA and the problem at 1500 RPMs is almost gone, which doesn't happen until it goes into closed loop. ...
  4. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    My mechanical timing is set to 8.1 and the scalar...

    My mechanical timing is set to 8.1 and the scalar initial timing to 8.1. My numbers are higher because I changed the SA value in the adx to 8.1. I never told you where my timing is set:innocent2: I'm...
  5. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    In my ADX it shows as high as 44.6 SA. This is...

    In my ADX it shows as high as 44.6 SA. This is happening at 1500 RPMs and it loses a lot of power. When I start from a stop it gets to 1500 RPMs and will lose and lag if I don't gas it to 2000 RPMs....
  6. Thread: tapped out

    by dhworkin
    Replies
    31
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    6,329

    I will not make changes again, sorry about that....

    I will not make changes again, sorry about that. This log is start, stop to try and point out the problem area17709177101771117712
  7. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    I changed my injectors from 61lb to the Rochester...

    I changed my injectors from 61lb to the Rochester 17084327 68lb HO 350 injectors from motorman. I'm tuning for 300HP so I set FP at 19.5 and was going lean. I logged data and used the wbo2 worksheet...
  8. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    I researched what might cause that injector spike...

    I researched what might cause that injector spike and pulled the injectors and changed the screens plus I checked the connection at the knock sensor, which was questionable, so I changed the...
  9. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    17625 First couple starts were good and it wasn't...

    17625 First couple starts were good and it wasn't so bad, but after 10 or so it has the problem between 15 and 20 RPMs. It's like the PCM is making it worse every time its driven.
  10. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    I just looked at the log I posted. The wbo2...

    I just looked at the log I posted. The wbo2 average data looks good but whats happening with the spark advance data? when I enable the perimeters for wbo2 to work in the adx (back pressure, linear...
  11. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    17615 My FP is 23 so that should be 81 for flow....

    17615 My FP is 23 so that should be 81 for flow. That log was almost undrivable, I cut it short. At the end I hit the throttle and it almost shut off
  12. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    1761017611 I loaded that bin, set the wbo2...

    1761017611 I loaded that bin, set the wbo2 parameters so it will work and changed it to go into closed loop. Will do a log run in a hour or so and post it. Thank you
  13. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    BJYK 95 342 gear. Thanks for any help, I've had...

    BJYK 95 342 gear. Thanks for any help, I've had a lot of help from this site and have learned more than I really wanted to. It's been years since I swapped the motor and started learning to tune. I...
  14. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    17604 With wb02 data

    17604 With wb02 data
  15. Thread: tapped out

    by dhworkin
    Replies
    31
    Views
    6,329

    tapped out

    The more I learn the less I know. It's time to pay. 95 c1500, 7427, L31R, vortec head, Edelbrock performer eps 2716, Lunati 20080660, flowtech 1154 FLT headers, no egr, wide band installed. Goes lean...
  16. Replies
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    1,096

    TPS vs MPH 7427

    95 gmc, 7427 OD tbi vortec 350. I noticed a difference between the TPS and the MPH while trying to tune a hesitation when accelerating from a stop. As soon as I touch the throttle its moving but its...
  17. Replies
    6
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    2,362

    I remove the air filter, unplug and remove the...

    I remove the air filter, unplug and remove the IAC valve. Pull the spring away from the pentil and screw it out a little at a time, (1/8)inch. Reinstall the valve by hand (not tight). When the pentil...
  18. Replies
    2
    Views
    1,758

    I raised AE TPS and it helped slightly, AE MAP...

    I raised AE TPS and it helped slightly, AE MAP comes in to late to make a difference but when it does it comes alive. Which PE table should I work with? PE delay is set to 0 in scalars. Thanks and...
  19. Replies
    2
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    1,758

    light acceleration

    When I start from a stop is good until 1500 rpms, then wbo2 goes lean and hesitates, and its good after it gets to 2000. When I put it in open loop there's no hesitation and it drives smooth. I can...
  20. Thread: A/C request

    by dhworkin
    Replies
    3
    Views
    1,817

    It’s a 7427 in a 95 truck. I’ve got the fans with...

    It’s a 7427 in a 95 truck. I’ve got the fans with the thermostatic switch installed and working well. Problems start when I connect the 12 volt wire from the A/C compressor to the relay. Don’t know...
  21. Thread: A/C request

    by dhworkin
    Replies
    3
    Views
    1,817

    A/C request

    I am installing the A/C and I need a request for the e-fans. I would like to use pin E3, can I make changes for that purpose only and not use the thermostat part?
  22. Thread: low BLM

    by dhworkin
    Replies
    164
    Views
    160,242

    I'm back at it, found the problem this weekend...

    I'm back at it, found the problem this weekend when i installed a rearview/backup camera. A lot of chalky corrosion at the fuse panel so I pulled and cleaned all fuses and now it runs great. Thanks...
  23. Replies
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    20,961

    It is a glitch when the timing drops below 0...

    It is a glitch when the timing drops below 0 degrees. But what is causing the timing to drop into the negative? I can load a bin file without the WBO2 perameter changes , and there is no negative SA....
  24. Thread: low BLM

    by dhworkin
    Replies
    164
    Views
    160,242

    I removed the UV eprom from the original memcal ...

    I removed the UV eprom from the original memcal and read it with the burn2.14986 It is the calibration for the 305 engine that was originally in the truck.14987 I want to solder the 27sf512 chip...
  25. Thread: low BLM

    by dhworkin
    Replies
    164
    Views
    160,242

    It's the tuning hardware or software that is...

    It's the tuning hardware or software that is causing my problems. After setting, resetting, making sure I have good connections with the hardware and running a lot of test bins with no consistent...
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