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CC Advertisers
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08-07-2013, 06:00 PM
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CC Member
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Join Date: Sep 2011
Location: Loudon,
Tn
Cobra Make, Engine: Superformance#2352/Aluminum SO/490 c.i. 650 h.p. 605 tq.
Posts: 410
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Not Ranked
SPF Speedo reset
The Smith's speedo has a problem with the little reset dial for the trip odo. When I try to reset the trip odo to zero it just spins, so I am assuming the plastic gears are either worn or stripped. I see there is a small retaining nut on the bottom of the dash with the adjustment knob. Can this mechanism come our and be replaced without pulling the entire speedo? And can this be replaced without a new speedo?
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08-07-2013, 07:15 PM
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CC Member
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Join Date: Sep 2002
Cobra Make, Engine: SPF#0760
Posts: 3,409
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Not Ranked
You'll need to send the speedo in for repair. They should never be reset while the car is moving.
__________________
Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
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08-08-2013, 10:09 PM
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CC Member
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Join Date: Jun 2010
Location: Cape Coral,
FL
Cobra Make, Engine: Superformance # 1774 / 392 Stroked Windsor
Posts: 465
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Not Ranked
Quote:
Originally Posted by Blas
You'll need to send the speedo in for repair. They should never be reset while the car is moving.
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I found that out Blas!!! Not fun!! |
08-09-2013, 05:04 AM
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CC Member
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Join Date: Sep 2002
Cobra Make, Engine: SPF#0760
Posts: 3,409
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Not Ranked
I can send you a photo of the backside of the speedo if you like so you can see what you remove to get it out. Send me and email (see below)
__________________
Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
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08-09-2013, 06:07 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,533
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Not Ranked
Quote:
Originally Posted by Blas
They should never be reset while the car is moving.
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Good to know. I wonder if that is also the reason so many 63-67 Corvettes have trip odometer failures? |
08-09-2013, 06:15 AM
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CC Member
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Join Date: Jun 2006
Cobra Make, Engine: Superformance, Roush 402R, Kentucky Cobra Club
Posts: 223
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Not Ranked
Quote:
Originally Posted by Varmit
The Smith's speedo has a problem with the little reset dial for the trip odo. When I try to reset the trip odo to zero it just spins, so I am assuming the plastic gears are either worn or stripped. I see there is a small retaining nut on the bottom of the dash with the adjustment knob. Can this mechanism come our and be replaced without pulling the entire speedo? And can this be replaced without a new speedo?
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In my own case I know that if the cable used to do the reset is disconnected from the dash and allowed to have less severe bends that it works. Secured to the dash it does not. So I just let is lay up out of sight. You might try that first. |
08-09-2013, 05:24 PM
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CC Member
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Join Date: Sep 2002
Cobra Make, Engine: SPF#0760
Posts: 3,409
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Not Ranked
Quote:
Originally Posted by DanEC
Good to know. I wonder if that is also the reason so many 63-67 Corvettes have trip odometer failures?
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Probably, And this also related to my old Porsche too years ago....
Not quite sure why I decided to reset it while moving...
But you learn quickly not to do it again. 
__________________
Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
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08-09-2013, 10:53 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
I've never touched the odo reset out of fear that it would crater the whole speedo. That speedo is a POS. One of these days, I'm going to replace it with a digital unit.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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08-10-2013, 07:42 AM
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CC Member
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Join Date: Sep 2011
Location: Loudon,
Tn
Cobra Make, Engine: Superformance#2352/Aluminum SO/490 c.i. 650 h.p. 605 tq.
Posts: 410
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Not Ranked
the only thing I use the reset for it when I get gas. I really don't trust the gas gauge that much. Especially in these things, gas does not tend to stay in the tank too long!!!!
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