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Thread: Holley Dash & Timing Table

  1. #1

    Default Holley Dash & Timing Table

    I have homemade wheel height sensors that measure my front bumper height off the track. This device outputs zero to 5 volts, 5 volts being vehicle resting position. I have a Holley dash that has a wheel height bar graph. It displays the bumper height as wheel height with an offset. When it crosses from -5 inches to zero the front tires are just kissing the track. It then can read up to 30" of clearance under the front tires.

    This system worked perfect with V3 EFI software, and displayed on the dash bar graph perfectly. I could only get fixed timing retard as a "switch".

    I upgraded to V5 to get a timing table. I programmed a timing table and had it watch the "wheel" gauge. Now the dash display does not work. My datalog shows the wheel height data is there, however, and being datalogged. Some screen shots below.


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    Last edited by Tom R; 09-02-2019 at 11:00 AM.

  2. #2
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    22,674

    Default

    Is the EFI (laptop) software, ECU firmware & touchscreen unit V5 compatible (LINK)?
    After updating the EFI software or ECU firmware, I always enter every EFI software screen to verify everything is still correct. It
    doesn't take long. Many people find Global File discrepancies (especially in Engine & Ignition Parameters) because they didn't look.
    The Holley EFI software has a Global File Comparison Tool (C:Drive, Program Files, Holley, V5 EFI), but I choose not to use it:
    http://documents.holley.com/techlibr...r10864rev1.pdf (EFI Software Overview - Section 10.2 "HEFI GCF Comparer", Page 22)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #3

    Default

    I did a reply but it did not show. I hope this post is not a dupe.
    1) I had already upgraded the dash and EFI using the EFI V5 110 download. I reflashed it.
    2) I see everything and all works except my wheel gauge. It's on the dash and remained listed as input 4 and labeled "wheel", which it is, but it just sits at zero.
    3) It shows in the data log properly, and it pulls timing properly if the bumper gets too high.
    4) I deleted the timing table thinking that was it. No change.
    5) I put the input 4 configuration back as a switched fixed retard. It works on the timing, but not on dash.
    6) I tried to delete and reinstall the gauge on my dash. Now scrolling though choices I do not see input 4 or "wheel".

    I'm at a loss. Without backing out to V3 firmware, which will not make me happy since I bought new computers to run Windows 10 (I had XP) so I could use the table feature to ramp my timing, I can't get input 4 to work on the dash display. Anything you can suggest short of going to a different dash and ECU version? Thanks! Tom

    UPDATE: I've got it. I started all over, deleted my flash drive, and repeated the V5 update process, and now it all works.

  4. #4
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    22,674

    Default

    Quote Originally Posted by Tom R View Post
    UPDATE: I've got it. I started all over, deleted my flash drive, and repeated the V5 update process, and now it all works.
    Thanks for the update.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

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