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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Sun Feb 21, 2016 9:21 pm Post subject: New Gauges |
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Just ordered for my 89. Dakota Digital VHX line. Stepper motor driven needles, black gauges and red backlight. Also SGI-5 E to send VSS to the ECM.
_________________ 92 Camaro
89 Camaro
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izcain 9sec Club
Joined: 09 Sep 2006 Posts: 1306 Location: Port Angeles WA
1983 Chevrolet Camaro Z/28
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Posted: Mon Feb 22, 2016 6:55 pm Post subject: |
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Nice Al, can't wait to see it! _________________
1983 Z28 383 + 201ci more = New Heart for this season!
9.17 @ 148 |
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Dewey316 The Lama
Joined: 08 Jan 2004 Posts: 7295 Location: Bringing the tech
1990 Chevrolet Camaro RS
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Posted: Tue Feb 23, 2016 7:08 am Post subject: |
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That are really classy looking.
Now if only they made them with a tach that went above 8k. |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Tue Feb 23, 2016 4:05 pm Post subject: |
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I don't think I'll be at 8K any time soon, but the digital display below the tach can be selected for tach and will read significantly above 8K. 9990 to be exact. |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Tue Feb 23, 2016 10:54 pm Post subject: |
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I think 8k is totally respectable. Happy birthday to AL!
Painting the panel black I hope? Pretty slick really. _________________ A redline a day keeps the carbon away! |
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QwkTrip 11sec Club
Joined: 17 Feb 2004 Posts: 3942 Location: Peoria, IL
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2016 5:39 am Post subject: |
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Dewey316 wrote: | Now if only they made them with a tach that went above 8k. |
... Seeing as a 305 TPI makes most power between 9K -11K rpm, right? |
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Dewey316 The Lama
Joined: 08 Jan 2004 Posts: 7295 Location: Bringing the tech
1990 Chevrolet Camaro RS
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Posted: Wed Feb 24, 2016 7:32 am Post subject: |
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QwkTrip wrote: | Dewey316 wrote: | Now if only they made them with a tach that went above 8k. |
... Seeing as a 305 TPI makes most power between 9K -11K rpm, right? |
Who said anything about 305 TPI use. |
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izcain 9sec Club
Joined: 09 Sep 2006 Posts: 1306 Location: Port Angeles WA
1983 Chevrolet Camaro Z/28
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Posted: Wed Feb 24, 2016 8:38 am Post subject: |
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If it is your birthday AL happy Bday or at least B-Lated b-day lol _________________
1983 Z28 383 + 201ci more = New Heart for this season!
9.17 @ 148 |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Wed Feb 24, 2016 9:34 am Post subject: |
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Twilightoptics wrote: | I think 8k is totally respectable. Happy birthday to AL!
Painting the panel black I hope? Pretty slick really. |
Doesn't come with the bezel, will be using one of my own. I might have to figure out what to do with the idiot light windows though, probably just leave the lenses in and paint black - maybe even insert some cool graphics...
Last edited by Al Hasse on Wed Feb 24, 2016 9:45 am; edited 1 time in total |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Wed Feb 24, 2016 9:37 am Post subject: |
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Paul, what is the VSS output of this T56? I've been told 4K ppm, which would be perfect, but the Dakota Digital box is still necessary since my ECM requires 2K ppm. |
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izcain 9sec Club
Joined: 09 Sep 2006 Posts: 1306 Location: Port Angeles WA
1983 Chevrolet Camaro Z/28
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Posted: Wed Feb 24, 2016 2:29 pm Post subject: |
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Al Hasse wrote: | Twilightoptics wrote: | I think 8k is totally respectable. Happy birthday to AL!
Painting the panel black I hope? Pretty slick really. |
Doesn't come with the bezel, will be using one of my own. I might have to figure out what to do with the idiot light windows though, probably just leave the lenses in and paint black - maybe even insert some cool graphics... |
Electrical tape works slick _________________
1983 Z28 383 + 201ci more = New Heart for this season!
9.17 @ 148 |
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QwkTrip 11sec Club
Joined: 17 Feb 2004 Posts: 3942 Location: Peoria, IL
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2016 4:38 pm Post subject: |
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Al Hasse wrote: | Paul, what is the VSS output of this T56? I've been told 4K ppm, which would be perfect, but the Dakota Digital box is still necessary since my ECM requires 2K ppm. |
17 pulse per rev of the speed sensor.
It equates to more than 40K ppm depending on tire size. |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Wed Feb 24, 2016 5:41 pm Post subject: |
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QwkTrip wrote: | Al Hasse wrote: | Paul, what is the VSS output of this T56? I've been told 4K ppm, which would be perfect, but the Dakota Digital box is still necessary since my ECM requires 2K ppm. |
17 pulse per rev of the speed sensor.
It equates to more than 40K ppm depending on tire size. |
So does that equate to 17 pulses per revolution of the drive shaft? If so, that would be 17 pulses per tire revolution. I can figure miles from tire circumference. |
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QwkTrip 11sec Club
Joined: 17 Feb 2004 Posts: 3942 Location: Peoria, IL
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2016 7:02 pm Post subject: |
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Yes, 17 pulses per driveshaft revolution.
The driveshaft is spinning faster than the tires by a multiple of the rear axle gear ratio. |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Wed Feb 24, 2016 7:49 pm Post subject: |
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Let's see if my math works.
My tires are 275/40/17 and turn 786.3 revolutions per mile.
3.73 rear gear makes the driveshaft turn 2932.9 revolutions per mile
17 pulses per revolution would total 49,859 ppm
Dakota Digital SGI-5 should be able to knock that down to 2K for my ECM |
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QwkTrip 11sec Club
Joined: 17 Feb 2004 Posts: 3942 Location: Peoria, IL
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2016 8:10 pm Post subject: |
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Yes, that's right.
I have a SGI-5c and I was planning to use strategy #3 from user manual and see how that works.
I have a friend that used strategy #2 and that worked with his aftermarket gauges in a '69 Camaro. |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Wed Feb 24, 2016 9:21 pm Post subject: |
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I haven't received anything yet, there is a 4-6 week turnaround on the gauges. From the info I got here, I may end up using the same strategy, but need to do some reading first.
Looks as though I can do initial setup and leave it alone since I can calibrate the speedometer...
Last edited by Al Hasse on Sun Mar 06, 2016 7:24 pm; edited 1 time in total |
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QwkTrip 11sec Club
Joined: 17 Feb 2004 Posts: 3942 Location: Peoria, IL
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2016 10:01 pm Post subject: |
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Al Hasse wrote: | Looks as though I can do initial setup and leave it alone since I can calibrate the speedometer... |
Yes.
You really can't ruin anything. If one strategy is totally off, then try a different strategy. You can download the user manual from their website. |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Sat Feb 27, 2016 4:21 pm Post subject: |
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I just looked t the installation PDF and found out I may not need the SGI-5. The system can accept VSS from 4000 up to 128,000 ppm and provide an output of 4000 or 2000 ppm for stuff like cruise control or radio volume - didn't say anything about ECM input requirements though, I would imagine it should work. |
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Al Hasse Member
Joined: 19 Nov 2005 Posts: 4379 Location: Bremerton, WA
1992 Chevrolet Camaro RS
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Posted: Sun Mar 06, 2016 7:22 pm Post subject: |
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Since these come without a bezel, and the metal piece behind the bezel apparently won't fit (mine is painted red), I have couple of extras and decided to try some accent painting on the plastic. If it doesn't look good, I can always use one of the others unpainted.
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