SUPPORT OUR SPONSOR

Go Back   Club Cobra > Club Cobra Tech Areas > Shop Talk

Welcome to Club Cobra!  The World's largest non biased Shelby Cobra related site!

  •  » Representation from nearly all Cobra/Daytona/GT40 manufacturers
  •  » Help from all over the world for your questions
  •  » Build logs for you and all members
  •  » Blogs
  •  » Image Gallery
  •  » Many thousands of members and nearly 1 million posts! 

YES! I want to register an account for free right now!  p.s.: For registered members this ad will NOT show

Nevada Classics
Main Menu
Nevada Classics
Nevada Classics
Planet Cobra
Advertise at CC
Banner Ad Rates
MMG Superformance
Planet Cobra
Keith Craft Racing
September 2019
S M T W T F S
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30          
  #1 (permalink)  
Old 05-22-2019, 07:13 PM
Average Guy
Visit my Photo Gallery

 
Join Date: Sep 2002
Location: Rushville, IN
Cobra Make, Engine: red Shell Valley, white stripes
Posts: 556
Not Ranked     
Default speedometer decision time

For some reason, the speedometer driving gear on the tail shaft of my T5Z broke this weekend. So, I don't know how fast I'm going or how far I've gone. I guess my choices now are to remove the transmission, disassemble it and replace the gear or simply to go with a GPS speedometer.


Feel free to pass along your experiences relative to the GPS speedometers. Are they a good thing or a pain to deal with?
__________________
When I said I wanted to be somebody, I probably should have been more specific...
Reply With Quote
Sponsored Links
Sponsored Links
  #2 (permalink)  
Old 05-22-2019, 07:50 PM
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2007
Location: Savannah, Ga
Cobra Make, Engine: Unique FIA
Posts: 26
Not Ranked     
Default

I installed a speedhut speedometer a year ago. Love it, and I have not used any of its functionality except the speed. Its also quiet. Not that my car isn't loud, but I could hear a whine in the old SW 90 degree attachment and the speedo itself at times. Talk with the folks at Speedhut.....they can give a ton of options as to gauge face font/markings. I've got an FIA, so the speedo is way over on the right. My gauge face is so close to all the other SW gauge appearances, you can't really see the difference unless you are looking closely, and know what you're looking for.
Reply With Quote
  #3 (permalink)  
Old 05-23-2019, 04:00 AM
Ron61's Avatar
Senior Club Cobra Member
Visit my Photo Gallery

 
Join Date: Dec 2001
Location: Shasta Lake, CA
Cobra Make, Engine:
Posts: 26,162
Not Ranked     
Default

I had one that was a different brand from what Bitercobra had and I really liked it. It was extremely accurate and I like the feature that when I changed tire size or gear ratio all I had to do was push a button, drive a mile, stop and push the button again and it would automatically calibrate itself to the new setup.

Ron
__________________
Ron 61
Ronnie Widener


View my Miscellaneous Gallery
Reply With Quote
  #4 (permalink)  
Old 05-23-2019, 06:31 AM
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2007
Location: Colorado Springs, CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,070
Not Ranked     
Default

I use this with a standard electric speedometer. Works just fine most of the time.

https://www.summitracing.com/search/...face%20Modules
__________________
.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
Reply With Quote
  #5 (permalink)  
Old 05-23-2019, 08:31 AM
cycleguy55's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2014
Location: White City, SK
Cobra Make, Engine: West Coast, 460 CID
Posts: 2,103
Not Ranked     
Default

Quote:
Originally Posted by Dirty Harry View Post
For some reason, the speedometer driving gear on the tail shaft of my T5Z broke this weekend. So, I don't know how fast I'm going or how far I've gone. I guess my choices now are to remove the transmission, disassemble it and replace the gear or simply to go with a GPS speedometer.

Feel free to pass along your experiences relative to the GPS speedometers. Are they a good thing or a pain to deal with?
If I was facing the same decision I'd go with GPS. I'm currently running VDO Series 1 gauges, so would use the VDO GPS sender. Easy decision.

IMO the only downside to a GPS speedometer is the short delay of a few seconds after starting up before it starts to read. I'm running a carburetor, with an electric choke, so by the time the engine runs a few seconds while I buckle up, plus the time it takes to back out of my garage and driveway I fully expect the speedometer to be fully operational - so any delay is moot. Obviously tunnels are a problem as well, interfering with GPS signals. Regardless, I see neither of these as significant impediments.
__________________
Brian
Reply With Quote
  #6 (permalink)  
Old 05-23-2019, 08:46 AM
CC Member
Visit my Photo Gallery

 
Join Date: May 2015
Posts: 407
Not Ranked     
Default Why?

Quote:
Originally Posted by Ron61 View Post
I had one that was a different brand from what Bitercobra had and I really liked it. It was extremely accurate and I like the feature that when I changed tire size or gear ratio all I had to do was push a button, drive a mile, stop and push the button again and it would automatically calibrate itself to the new setup.

Ron
Why would you have to do that? The thing should work if you are going 60 MPH on a trailer with the wheels stationary?

Like GPS on the boat vs the impeller driven knot meter (akin to a tranny driven speedo), if motoring into a 5 knot current at 15 knots, the GPS says 10 but the Knot-meter reads 15, or turn around and kill the engines, the KM would read 0 the GPS 5. Point is its independent of how hard the engines are working (wheels are turning) isn't it?

Cheers
Steve H
__________________

Superformance 1764
Ford Racing 427 SB
Trick Flow R Manifold
Holley 750 Annular Mech
Full Cobra Valley'd

Last edited by tortuga; 05-23-2019 at 08:50 AM..
Reply With Quote
  #7 (permalink)  
Old 05-23-2019, 09:26 AM
Ron61's Avatar
Senior Club Cobra Member
Visit my Photo Gallery

 
Join Date: Dec 2001
Location: Shasta Lake, CA
Cobra Make, Engine:
Posts: 26,162
Not Ranked     
Default

The one that I had required me to drive the mile as the computer needed the pulses to set the speed. It had nothing to do with the GPS part. That normally took a few seconds while it locked into the satellite.

Ron

Quote:
Originally Posted by tortuga View Post
Why would you have to do that? The thing should work if you are going 60 MPH on a trailer with the wheels stationary?

Like GPS on the boat vs the impeller driven knot meter (akin to a tranny driven speedo), if motoring into a 5 knot current at 15 knots, the GPS says 10 but the Knot-meter reads 15, or turn around and kill the engines, the KM would read 0 the GPS 5. Point is its independent of how hard the engines are working (wheels are turning) isn't it?

Cheers
Steve H
__________________
Ron 61
Ronnie Widener


View my Miscellaneous Gallery
Reply With Quote
  #8 (permalink)  
Old 05-23-2019, 11:20 AM
CJ428CJ's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Dec 2000
Location: Livermore, CA
Cobra Make, Engine: ERA #629, 428, Richmond 5 speed
Posts: 795
Not Ranked     
Default

I'm also using the Speedhut GPS speedometer. I switched to Speedhut after two Stewart Warner speedos crapped out on me. I'm very happy with it. It works flawlessly. I'd do the same thing again in a heartbeat.
Reply With Quote
  #9 (permalink)  
Old 05-23-2019, 11:51 AM
Average Guy
Visit my Photo Gallery

 
Join Date: Sep 2002
Location: Rushville, IN
Cobra Make, Engine: red Shell Valley, white stripes
Posts: 556
Not Ranked     
Default

Thanks, guys, for the replies. I like to hear about others' experiences with certain products before I make the final decision.
__________________
When I said I wanted to be somebody, I probably should have been more specific...
Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 01:28 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
The representations expressed are the representations and opinions of the clubcobra.com forum members and do not necessarily reflect the opinions and viewpoints of the site owners, moderators, Shelby American, any other replica manufacturer, Ford Motor Company. This website has been planned and developed by clubcobra.com and its forum members and should not be construed as being endorsed by Ford Motor Company, or Shelby American or any other manufacturer unless expressly noted by that entity. "Cobra" and the Cobra logo are registered trademarks for Ford Motor Co., Inc. clubcobra.com forum members agree not to post any copyrighted material unless the copyrighted material is owned by you. Although we do not and cannot review the messages posted and are not responsible for the content of any of these messages, we reserve the right to delete any message for any reason whatsoever. You remain solely responsible for the content of your messages, and you agree to indemnify and hold us harmless with respect to any claim based upon transmission of your message(s). Thank you for visiting clubcobra.com. For full policy documentation refer to the following link: CC Policy