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Type: Posts; User: 95GMC_sierra

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  1. Replies
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    Thank you road knee that will be a useful quick...

    Thank you road knee that will be a useful quick tool to use. I can multiply the entire table and subtract by adding timing in those flags.

    John
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    Wideband and narrowband side by side in the tri...

    Wideband and narrowband side by side in the tri wye header collector and I use both wideband corrections and blm narrowband corrections and watch both for validity and cross checks. Using blm for...
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    I entered 365 degrees and uploaded to emulator...

    I entered 365 degrees and uploaded to emulator and then it died, now if I try to emulate the vehicle goes into limp home mode and can only be cleared by disconnecting the PCM from the vehicle for a...
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    Emulation capability stopped

    I have a moates APU1 and the latest tunerpro S/W and I was emulating, accidentally entered an absurd timing number on the timing table and everything died. I tried a lot of things include power down...
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    DRP delay to injector pulse

    Hello all

    95 gmc big block, edelbrock MPFI, edelbrock heads, flat top pistons, roller cam at 264, new build. 7427 PCM, $31 bin, innovate WBO, moates APU1, tunerpro S/W, jumpered memcal mods made...
  6. I figured it out.... go to "tool"... click on...

    I figured it out....

    go to "tool"... click on "preferences"... click on "data acq./emulation" tab... select "interface type" button.... select autoprom/MAFTPro. Reboot and it now works

    Its a...
  7. simultaneous emulating and datalogging with APU1 and tuner pro

    I standalone datalog without problems with the outboard switch in the passthrough mode and the dash comes up when I go to "acquisition" then to "start/stop data scan" and I can watch the dash respond...
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    Gents, I am doing a similar conversion on a...

    Gents,

    I am doing a similar conversion on a 454 and the edelbrock chip worked OK but high end performance was bad and ran lean at high RPM's Since the original TBI to MPFI conversion I have...
  9. thanks fast. We are getting there slowly...

    thanks fast. We are getting there slowly...
  10. Ahhh huh thank you... What about the power...

    Ahhh huh thank you... What about the power enrichment? Are they the same as the AE? Should that be disabled by a a high speed try? there is a "Minimum MPH for PE" entry I could put a high speed in...
  11. Ok on the O2, AE disabled during emulation for...

    Ok on the O2, AE disabled during emulation for a basemap to start off with won't work?

    Hmmm. How am I to modify base maps tuned in open loop mode for the closed loop to work off of?

    john
  12. Disable AE and PE and O2 sensor for base tune

    I wish to RT tune the open loop base map without influences from the PCM processor. I am not sure how to turn off the PE (power enrichments), AE (Acceleration enrichments), and closed loop O2...
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    Hello big dave. The lifters are at zero lash to...

    Hello big dave. The lifters are at zero lash to insure the vacuum wiggling is not valve bypass, I'm going to put a half turn more in them this weekend... When I first started it up the vacuum gauge...
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    Thank you fast355

    Thank you fast355
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    95 gmc Tbi to MPFI conversion

    Have a 1995 gmc 2500 7.4 liter with a 16197427 PCM, a 4.1:1 full floater rear end and a well built 4l80e. I recently redid the bottom end with flattop pistons at 30/1000's over, remachined for a...
  16. Thank you so much, your experience and results...

    Thank you so much, your experience and results are proof in themselves. I do need to understand the PFI and jumper changes and intentions better to feel comfortable with them. I am working with a...
  17. Superb fast355. Do you understand the theory...

    Superb fast355. Do you understand the theory behind the changes to the circuit and what the jumper for PFI enabling does to the batch fired circuit? Help me understand the reason for the changes.......
  18. Hmmm current sense resistors... Hmmm I now have...

    Hmmm current sense resistors... Hmmm I now have four high impedance injectors in parallel for each formerly low impedance throttle body injector... 4-16 ohm injectors with a circuit load of 4...
  19. Hi folks, new to forum and completing a reduild

    1995 GMC 7.4 liter, 4l80E, 4.11:1 full floating rear end with 7427 computer. Doug thorley try-wye headers and K&N filter charger intake

    replaced throttle body and manifold with edelbrock MPFI...
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