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Thread: Getting ready to pull the trigger on an HP & Digital Dash.

  1. #11
    Join Date
    Dec 2009
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    Connecticut
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    24,169

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    Quote Originally Posted by Arrowhead View Post
    Didn't really see anything on the accelerometer function either. I'm assuming I can program some cool G-force meters on the screen too?
    I created a screen with the three G-Meter gauges (X-axis, Y-axis & Z-axis accelerometers). I tapped on the Digital Dash unit, and they work. However, as I understand it, there's a future update required to integrate it to the Holley ECU. In other words, you can't datalog the 3-axis accelerometer from the ECU yet. Only on the Digital Dash:
    http://documents.holley.com/techlibr...hlogviewer.zip (Holley Digital Dash "Log Viewer")
    https://forums.holley.com/showthread...995#post105995 (Related Forum Post)
    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, 232°-244° duration/.623" lift/114° LSA camshaft, 11.8:1 comp, TFS R-Series FTI ported intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 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/3000 RPM converter, FPP aluminum driveshaft, FPP 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 MT tires.

  2. #12
    Join Date
    Nov 2013
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    Chicago IL
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    1,952

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    Correct, you can't datalog the accelerometer in the Holley ECU.
    You CAN however, do a datalog on the Digital Dash itself, it records only at 10 frames per second.
    And it does record the accelerometer data in that datalog. Resolution sucks, but you can do it.
    -Scott
    Don't forget to check out progress on my Race Car:
    Project Blasphemy - 8.07 @ 171
    Low 8 Second Street Car

  3. #13
    Join Date
    Feb 2015
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    Melbourne, Florida
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    176

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    Holley system works with many GM sensors. So you can probably save a little money, by keeping some your current sensors like air temp and maybe your MAP sensor, but that one will likely have to rewire the harness a little.
    Shawn Dickens
    Builder/Tuner at www.waterthunder.com
    Chevy LS Airboat Motor Specialists

    Technical Adviser for www.holleyinjection.com
    A site owned & managed by Cyber Space Automotive.
    Authorized Holley EFI Dealer

  4. #14

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    OK, so I ordered & received all the HP components & Digital Dash. Worked out an Auxiliary I/O Harness for the Digital Dash, and now I'm looking at the new tachometer & speedometer that Holley offers. I'm thinking of having those two analog gauges and leave the other six gauges on the Digital Dash. (A big reason for the separate speedometer, is the Digital Dash doesn't have an odometer.)

    So from what I can tell the CAN speedometer is basic, but the GPS speedometer has multiple functions for 1/4 mile, top speed, elevation, etc., and it basically can be a stand-alone unit. The speedometer requires the EFI Gauge Module (LINK) harness also. The CAN speedometer (LINK) does, but the GPS speedometer (LINK) does not. So what I can't figure out is, can the Digital Dash do the cool stuff like 1/4 miles times with it's built-in accelerometers, and I won't need those functions in the speedometer?

  5. #15
    Join Date
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    Connecticut
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    Quote Originally Posted by Arrowhead View Post
    So what I can't figure out is, can the Digital Dash do the cool stuff like 1/4 miles times with it's built-in accelerometers, and I won't need those functions in the speedometer?
    No, the Digital Dash is just a display device that communicates via the existing data & I/O channels within the Holley EFI ECU.
    The Holley GPS Speedometer (LINK) has built-in software & hardware (a "press & hold button") for those additional features.
    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, 232°-244° duration/.623" lift/114° LSA camshaft, 11.8:1 comp, TFS R-Series FTI ported intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 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/3000 RPM converter, FPP aluminum driveshaft, FPP 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 MT tires.

  6. #16

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    Quote Originally Posted by Danny Cabral View Post
    No, the Digital Dash is just a display device that communicates via the existing data & I/O channels within the Holley EFI ECU.
    The 558-432?
    89 Mustang GT
    Dart Block 363 with Borg S475 Turbo
    Holley Dominator EFI with 7" Digital Dash

  7. #17
    Join Date
    Dec 2009
    Location
    Connecticut
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    24,169

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    https://www.holley.com/products/acce..._touchscreens/ (Digital Dash, I/O Adapter & Vehicle Harness Kits)
    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, 232°-244° duration/.623" lift/114° LSA camshaft, 11.8:1 comp, TFS R-Series FTI ported intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 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/3000 RPM converter, FPP aluminum driveshaft, FPP 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 MT tires.

  8. #18

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    OK. So I ordered the Tach, GPS Speedometer, and the Gauge Module Harness. Must be some magic going on inside that module for what it costs.

  9. #19

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    Quote Originally Posted by Danny Cabral View Post
    I created a screen with the three G-Meter gauges (X-axis, Y-axis & Z-axis accelerometers). I tapped on the Digital Dash unit, and they work. However, as I understand it, there's a future update required to integrate it to the Holley ECU. In other words, you can't datalog the 3-axis accelerometer from the ECU yet. Only on the Digital Dash:
    http://documents.holley.com/techlibr...hlogviewer.zip (Holley Digital Dash "Log Viewer")
    https://forums.holley.com/showthread...995#post105995 (Related Forum Post)
    Is datalogging the accelerometer in the ECU at a high rate now doable?

  10. #20
    Join Date
    Dec 2009
    Location
    Connecticut
    Posts
    24,169

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    See end of page 7, "Pro Dash CAN Channel Updates": https://documents.holley.com/techlib...140updates.zip (Holley EFI Updates for V5 version Build 140)
    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, 232°-244° duration/.623" lift/114° LSA camshaft, 11.8:1 comp, TFS R-Series FTI ported intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 200A 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/3000 RPM converter, FPP aluminum driveshaft, FPP 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 MT tires.

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