Author Topic: Anyone use a GPS Speedometer in any car? Sender used?  (Read 1161 times)

Cobrask8

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Anyone use a GPS Speedometer in any car? Sender used?
« on: November 22, 2020, 12:59:19 PM »

Looking to replace the speedometer in my FFR. Going from fluctuating mechanical to smooth GPS.

Will use the Autometer Elec Speedometer, but do have a choice of sending units. So, asking if any of you here have used a GPS system, what components did you use, and how did it work?

Shawn

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Re: Anyone use a GPS Speedometer in any car? Sender used?
« Reply #1 on: November 22, 2020, 02:22:09 PM »
Used a system sold by Speed Hut in a project a few years back.  It was a new speedo and GPS module worked great

gjz30075

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Re: Anyone use a GPS Speedometer in any car? Sender used?
« Reply #2 on: November 22, 2020, 02:46:12 PM »
+1 on the Speedhut unit, I think called Speedbox.    I bought it without the cable and once I determined where to mount the
box, I brought the box and speedo (to determine what kind of attachments to fit) to a Speedo repair shop and they made a custom length cable.
Greg Z
6S2249

Side-Oilers

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Re: Anyone use a GPS Speedometer in any car? Sender used?
« Reply #3 on: November 22, 2020, 04:43:45 PM »
Where did you mount the GPS antenna?   I have a Kirkham, so magnetic mount will no workey.   Definitely not drilling any holes in the body.
Current:
2006 FGT. Tungsten. Whipple, HRE 20s, Ohlin coil-overs, 3.90 gears. 210.7 mph.

Kirkham Cobra. 482-inch aluminum side-oiler. Tremec 5-spd.

Formerly:
1968 GT500KR #2575 (1982-2022)
1970 Ranchero GT 429
1969 LTD Country Squire 429
1963 T-Bird Sport Roadster
1957 T-Bird E-model 3-spd stick

gjz30075

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Re: Anyone use a GPS Speedometer in any car? Sender used?
« Reply #4 on: November 22, 2020, 06:59:44 PM »
It was mounted in a fiberglass car so I have the GPS pickup unit in one of the fenders.    That can't be done in a metal car.
If Cobrask8's FFR is 'glass, should be easy to mount just about anyway, hidden away.
Greg Z
6S2249

Side-Oilers

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Re: Anyone use a GPS Speedometer in any car? Sender used?
« Reply #5 on: November 23, 2020, 03:40:05 PM »
Thanks for the info. A benefit of a 'glass body.

Does anyone have an idea of where to place the antenna in a Kirkham? 
Current:
2006 FGT. Tungsten. Whipple, HRE 20s, Ohlin coil-overs, 3.90 gears. 210.7 mph.

Kirkham Cobra. 482-inch aluminum side-oiler. Tremec 5-spd.

Formerly:
1968 GT500KR #2575 (1982-2022)
1970 Ranchero GT 429
1969 LTD Country Squire 429
1963 T-Bird Sport Roadster
1957 T-Bird E-model 3-spd stick