Re: [DML] "1980's Delorean Speedo Cable Fix"

[Nick Kemp <nkemp@xxxxxxxx>]

Check out the Sky Drive at: 
http://www.classicinstruments.com/index.aspx?documentID=skydrive

It is a GPS receiver for the sole purpose of driving electronic 
speedometers.  Rather than install a VSS somewhere on the D, use the Sky 
Drive to generate the rotation pulses.  The ultimate in removing the 
angle drive.

Nick

Tom wrote , ----On 5/14/2013 4:57 AM ---------------------------:
> Jan,
>
> Well, it is easy when you don't go into the details of the process and just
> take the speedo to a repair shop. If you opt to do it yourself then you're
> right, it's not easy.
> First thing to check is the odometer. This is a mechanically linked system
> (gears) and it should be correct. If the only thing changed was the angle
> drive and the odometer is off the angle drive has wrong ratio gears. You
> will need to replace it.
> If the odometer is correct and the speedometer is off then you need to
> determine if is it of by a certain amount or percentage, ie. does it always
> read 10mph off (higher or lower) or if it is 10% off, ie. at 30 it will read
> 33 and at 60 it's 66. If it's always the same number you can simply remove
> the needle and reinstall it in a correct position BUT, be warned, this is a
> very rare occurrence and is usually caused by a previous mechanic attempting
> a repair. When it's off by certain % ten you will need to recalibrate it.
>
> I do have a plan to get rid of the angle drive as this is absolutely the
> worst part of the entire car. In my opinion an electronic (optical) sensor
> is the way to go here. I want to keep the original speedo and so I will be
> driving the original head with an electric motor.
>
> Greetings from Poland!
> Tom Niemczewski
> Vin 6149 plus 2418, 3633, 5030, 16473, 17086
> Google earth: 52°25'17.66"N, 21° 1'58.40"E
>
>
> --------------------------------------------------
> From: "Jan R. Eisen" <drenthe1954@xxxxxxxxx>
> Sent: Friday, May 10, 2013 5:16 PM
> To: <dmcnews@xxxxxxxxxxxxxxx>
> Subject: Re: [DML] "1980's Delorean Speedo Cable Fix"
>
> > Tom et al,
> >
> > That's not so easy! There are two (actually three) ways to correct a
> > speedometer that is "off" (Mine is off by 15% too)
> >
> > The first method is to change the spring that holds the needle back. But
> > since there is no information about the spring used, this is a very time
> > consuming trial-and-error method. It also requires to take apart the
> > speedo over and over again. But if you have the time and money, it can be
> > done.
> > The second method is to degauss the magnet and magnetize it again. Not a
> > very easy process either.
> >
> > Based on the hesitation of the various speedo shops that I approached, I
> > decided that I could live with the speedo as it is (I actually have a rare
> > original metric speedometer) and use my GPS if I really want to know how
> > fast I am going.
> > Unfortunately, my odometer probably shows more than the actual mileage (or
> > should that be kilometrage) too. But then again, here in the USA hardly
> > anybody has a clue about the relation miles/kilometer anyways.
> >
> > The last and third method would be to change the ratio in the angle drive.
> > I don't know if that has ever been done, but this almost sounds like
> > something to research further. Tom?
> >
> > Jan
> > Plymouth, MI
> >
> > On May 10, 2013, at 05:03 , "Tom" <dmctom@xxxxxxxxx> wrote:
> >
> >> John,
> >>
> >> If you have correct size tires then the only fix possible is to remove
> >> the
> >> speedometer and take it to a speedo repair shop. They will calibrate it
> >> for
> >> you.
> >>
> >> Greetings from Poland!
> >> Tom Niemczewski
> >> Vin 6149 plus 2418, 3633, 5030, 16473, 17086
> >> Google earth: 52°25'17.66"N, 21° 1'58.40"E
> >>
> >> --------------------------------------------------
> >> From: "John Podlewski" <john_podlewski@xxxxxxxxx>
> >> Sent: Friday, May 10, 2013 7:31 AM
> >> To: <dmcnews@xxxxxxxxxxxxxxx>
> >> Subject: Re: [DML] "1980's Delorean Speedo Cable Fix"
> >>
> >> > Question
> >> > What's the fix to calibrate it ?
> >> > I'm off by 10 MPH at 60MPH
> >> >
> >> > Sent from my iPhone
> >> >
> >> > On May 9, 2013, at 6:08 PM, deloreanernst@xxxxxxx wrote:
> >> >
> >> >>
> >> >>
> >> >> There's an item on eBay titled "1980's Delorean Speedo Cable Fix"
> >> >> which
> >> >> is not accurate. The item for sale is the "dust shield" item l05104,
> >> >> which is indeed part of the speedometer assembly. The problem is,
> >> >> replacing it will almost never fix a non-functioning speedo. As I
> >> >> explained to the seller, this speedo drive cap is typically the victim
> >> >> of
> >> >> a bound cable or seized angle drive, not the cause of a problem. When
> >> >> the
> >> >> lower cable can't turn, and the cap turns with the wheel, it grinds
> >> >> the
> >> >> middle of the cap out. A new cap won't fix a messed up angle drive any
> >> >> more than a brand new light bulb will fix a tripped circuit breaker.
> >> >> The
> >> >> seller refused to correct the listing, claiming he has 3 DeLoreans and
> >> >> has fixed all three of them this way. Uh huh. Even if that were true,
> >> >> claiming the cap fixes the angle drive is flat out false. A word to
> >> >> the
> >> >> wise- eBay may be strangely fascinating, but get your parts from a
> >> >> trusted supplier, not some unknown goof. By the way, he's offering it
> >> >> for
> >> >> sale at nearly twice the price you'd pay your trusted DeLorean parts
> >> >> supplier.
> >> >>
> >> >> -Wayne
> >> >> vin 11174
> >> >>
> >> >> [Non-text portions of this message have been removed]
> >> >>
> >> >>
> >> >
> >> >
> >> > [Non-text portions of this message have been removed]
> >> >
> >> >
> >> >
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> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
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