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XB Speedo MPH->KPH

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John Rodgers

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Aug 23, 2003, 2:23:23 AM8/23/03
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Can anyone tell me what month/year the XB GT speedo changed from MPH (with
the kp/h smaller and on the inside) to just km/h (0-240)?

Thanks
John


Martin Taylor

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Aug 24, 2003, 8:24:59 AM8/24/03
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John Rodgers said....

JR> Can anyone tell me what month/year the XB GT speedo changed from MPH
JR> (with the kp/h smaller and on the inside) to just km/h (0-240)?

I'm only guessing here, but it'd have to be around 1975, when we
officially went metric. I recall speedo cable gear boxes, transfers etc.
were all the go, shortly after I got my licence.


--

Remove the "obvious" for an email reply...

John Rodgers

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Aug 25, 2003, 7:03:06 AM8/25/03
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"Martin Taylor" <mta...@austar-obvious-net.com.au> wrote in message
news:3f48accc.7e...@austar-obvious-net.com.au...

> John Rodgers said....
>
> JR> Can anyone tell me what month/year the XB GT speedo changed from MPH
> JR> (with the kp/h smaller and on the inside) to just km/h (0-240)?
>
> I'm only guessing here, but it'd have to be around 1975, when we
> officially went metric. I recall speedo cable gear boxes, transfers etc.
> were all the go, shortly after I got my licence.

Cool, thanks. I remember the transfers - installed one on an LC torana.
Sort of looked ok. I'm just planning the resto of an XB GT and I'm not sure
whether to stick to the MPH guage or update it to km/h....

Thanks.


Toby Ponsenby

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Aug 25, 2003, 7:54:54 AM8/25/03
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On Mon, 25 Aug 2003 21:03:06 +1000, John Rodgers wrote:

> Cool, thanks. I remember the transfers - installed one on an LC torana.
> Sort of looked ok. I'm just planning the resto of an XB GT and I'm not sure
> whether to stick to the MPH guage or update it to km/h....

Wonder how it would look with certain IC scoop for the intake?

--
Toby

quidquid latine dictum
sit, altum viditur

Martin Taylor

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Aug 25, 2003, 8:32:27 AM8/25/03
to
John Rodgers said....

JR> Cool, thanks. I remember the transfers - installed one on an LC torana.
JR> Sort of looked ok. I'm just planning the resto of an XB GT and I'm not
JR> sure whether to stick to the MPH guage or update it to km/h....

If you're gonna restore it, wouldn't it be better to stick with the
original equipment, as much as possible?

John Rodgers

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Aug 25, 2003, 8:54:48 AM8/25/03
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"Martin Taylor" <mta...@austar-obvious-net.com.au> wrote in message
news:3f4a01c4.44...@austar-obvious-net.com.au...

> John Rodgers said....
>
> JR> Cool, thanks. I remember the transfers - installed one on an LC
torana.
> JR> Sort of looked ok. I'm just planning the resto of an XB GT and I'm
not
> JR> sure whether to stick to the MPH guage or update it to km/h....
>
> If you're gonna restore it, wouldn't it be better to stick with the
> original equipment, as much as possible?

Yep, that's the way I'm thinking. It's a '74, so having a '75 km/h guage
wouldn't be too bad.... It's just that with the MPH guage, it's a roughly
+/- 5km/h (or more) guess at what exact speed you're doing. Hmmm.. I
wonder if that's a valid defence in Victoria with the 3km/h speeding
rule.... ;-)

Everything else is going back to original. If anyone knows of a GT steering
wheel lying around, let me know! Oh, and a superfringe radio...

John


Noddy

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Aug 25, 2003, 9:03:43 AM8/25/03
to

"John Rodgers" <nospamr...@ozemail.com.au> wrote in message
news:3f49ece1

> Cool, thanks. I remember the transfers - installed one on an LC torana.
> Sort of looked ok. I'm just planning the resto of an XB GT and I'm not
sure
> whether to stick to the MPH guage or update it to km/h....

Are you in Victoria? If so, give *strong* consideration to the metric speedo
if you wish to avoid camera fines :) The amount of value an incorrect speedo
is going to detract from a particular date built XB GT would be extremely
insignificant, but the street driving benefits would be great.

If you ever entered the finished car in a concourse event, and didn't win
solely because you had the wrong speedo fitted, you should feel *very* happy
with your work :)

Regards,
Noddy.


Kieron

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Aug 25, 2003, 9:24:28 PM8/25/03
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On Mon, 25 Aug 2003 23:03:43 +1000, "Noddy" <dg4...@tpg.com.au> wrote:


>If you ever entered the finished car in a concourse event, and didn't win
>solely because you had the wrong speedo fitted, you should feel *very* happy
>with your work :)

Concourse judging is very picky nowadays, period air in the tyres
(including spare) is required and the judges routinely sniff the tank
testing for period fuel.

Kieron

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Aug 25, 2003, 9:28:42 PM8/25/03
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On Sun, 24 Aug 2003 12:24:59 GMT, Martin Taylor
<mta...@austar-obvious-net.com.au> wrote:

>John Rodgers said....
>
> JR> Can anyone tell me what month/year the XB GT speedo changed from MPH
> JR> (with the kp/h smaller and on the inside) to just km/h (0-240)?
>
>I'm only guessing here, but it'd have to be around 1975, when we
>officially went metric. I recall speedo cable gear boxes, transfers etc.
>were all the go, shortly after I got my licence.

Im almost certain the KM/H speedo was introduced with the XB series 2.
this model is easily distinguishable by the extra emission gear under
the bonnet (charcoal canister iirc) and the larger hub on the front
wheels - XB 1 had a tapered hub, XB2 had squared off hub same as XC.

Message has been deleted

Noddy

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Aug 26, 2003, 3:50:19 AM8/26/03
to

"Kieron" <kiero...@hotmail.com> wrote in message
news:3f4ab61f....@wa.news.telstra.net...

> Concourse judging is very picky nowadays, period air in the tyres
> (including spare) is required and the judges routinely sniff the tank
> testing for period fuel.

Surely you jest :)

Regards,
Noddy.


Andrew Puddifer

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Aug 26, 2003, 5:30:56 AM8/26/03
to
If you bought a Valiant from 1973 to about mid 1975, you could have had
a speedo with both measurements on it! Bloody cheap ass Fords! :)

Regards, Andrew.

Noddy

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Aug 26, 2003, 6:13:09 AM8/26/03
to

"Andrew Puddifer" <side...@tpg.nospam.com.au> wrote in message
news:3F4B28D0...@tpg.nospam.com.au...

> If you bought a Valiant from 1973 to about mid 1975, you could have had
> a speedo with both measurements on it! Bloody cheap ass Fords! :)

Why would you want both?

Actually, it's a bit ironic calling Ford cheap-arsed, when Chrysler was the
only manufacturer to offer a 'supercar" with unboosted disk brakes :)

Ford made metric speedo's for Falcons earlier than XB, but only fitted them
to cars they exported to countries where metric measurement was already
standard.

Any XY GT that has a speedometer reading in kilometres per hour is a dead
give away that it was originally built for the South African market, and has
found it's way back to Australia.

Regards,
Noddy.


Martin Taylor

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Aug 26, 2003, 7:30:54 AM8/26/03
to
Kieron said....

Ki> Im almost certain the KM/H speedo was introduced with the XB series 2.
Ki> this model is easily distinguishable by the extra emission gear under
Ki> the bonnet (charcoal canister iirc) and the larger hub on the front
Ki> wheels - XB 1 had a tapered hub, XB2 had squared off hub same as XC.

That sounds about right. Holdens were similar. The early HJs had no
pollution gear to speak of. From about 1974/5 they introduced the
charcoal canister, and maybe some other mods. I can't remember all the
details, now.

The HX was the "full blown" emissions model, and what a piece of shit it
was. Meanwhile, we were servicing Volvos with alloy V6s, OHC, fuel
injection, and HE ignition systems that didn't use distributors. Pity
was, they were auto only and in cars that looked butt ugly. (and darned
expensive).

Martin Taylor

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Aug 26, 2003, 7:30:54 AM8/26/03
to
John Rodgers said....

JR> Everything else is going back to original. If anyone knows of a GT
JR> steering wheel lying around, let me know! Oh, and a superfringe radio...

I'd love a "superfringe" radio in my current car. Where I live, it's a
fair distance between towns. And as I tend to listen to Melbourne's ABC
Radio (3LO) the AM reception gets decidedly wonky in places..

athol

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Aug 26, 2003, 8:32:12 PM8/26/03
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Martin Taylor <mta...@austar-obvious-net.com.au> wrote:

> The HX was the "full blown" emissions model, and what a piece of shit it
> was. Meanwhile, we were servicing Volvos with alloy V6s, OHC, fuel
> injection, and HE ignition systems that didn't use distributors. Pity
> was, they were auto only and in cars that looked butt ugly. (and darned
> expensive).

I have 3 Volvos, all of which started off with V6 engines. One
still has the V6 ATM. I can assure you that they do indeed have
a distributor. It is electronic ignition with a pickup below
the rotor, with mechanical and vacuum advance. There were 2
different dissys to suit the different manifolds. I didn't
take a lot of notice of the early "octopus" manifold in my 1st
parts car, but the later cross-ram dual-plenum setup required
the injection distributor to be removed in order to get to the
dissy cap!

The PRV V6 engine is woefully underpowered for the size and
weight of a Volvo and has a history of major failures. High
tech for its day but more of a long term disaster than the EA
Falcon OHC 6 and the Gen III V8 - the percentage of PRV engined
Volvos still running them is remarkably low. A lot of cars
have gone back to the far more reliable 4cyl Volvo engine, and
quite a few have solved the underpowered problem as well as the
reliability problems by putting in RB series Nissan, Holden
blue 6-cyl, Commode V6, Ford Windsor, Holden V8, SBC, etc.

A second hand V6 Volvo is worth less than a lower specced 4cyl
of the same year model.

If I had to choose an engine to put in a Volvo to run on ULP,
I'd choose a 1JZ-GTE or 2JZ-GTE. Since I already had the 350
Chev on LPG, that's what the current one's got.

I drove the Volvo with V6 for a couple of years. Not again!

--
Athol
<http://cust.idl.com.au/athol>
Linux Registered User # 254000
I'm a Libran Engineer. I don't argue, I discuss.

Kieron

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Aug 26, 2003, 9:14:31 PM8/26/03
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On 26 Aug 2003 02:47:55 GMT, athol <athol_S...@idl.net.au> wrote:


>Carbon canister was a state requirement in NSW from 1/75. ADR 27A
>came in 7/76. I guess that the XB II would have happened at one of
>those, and since I think that 7/76 is probably a bit late, I'd guess
>1/75 or a little before.

Those dates sound about right Athol, 7/76 was the intro of the XC.

Andrew Puddifer

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Aug 27, 2003, 3:05:05 AM8/27/03
to
Yes...do you know why the brakes were unboosted? Can you say pedal
feel?
I imagine it would have been very handy to have had both measurements
on the speedo at the time metric speed limits were introduced....I can
just imagine having metric speed signs on newer roads and in cities, and
in the boonies, where nothing is changed unless it falls down, the old
imperial system....
Anyway, it was a tongue in cheek remark. Remember seeing this :) at the
end of the message??

Andrew.

athol

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Aug 27, 2003, 3:42:38 AM8/27/03
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Kieron <kiero...@hotmail.com> wrote:

> Those dates sound about right Athol, 7/76 was the intro of the XC.

and the HX Holden. Same reason - ADR 27A.

Noddy

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Aug 27, 2003, 6:35:56 AM8/27/03
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"Andrew Puddifer" <side...@tpg.nospam.com.au> wrote in message
news:3F4C5821...@tpg.nospam.com.au...

> Yes...do you know why the brakes were unboosted? Can you say pedal
> feel?

Sure can: Rock hard - no stoppy...

The brakes were unboosted because Chrysler Australia couldn't stop the rear
wheels from locking up with boosted brakes, and they were too frigging tight
to put any money into fixing the problem :)

> I imagine it would have been very handy to have had both measurements
> on the speedo at the time metric speed limits were introduced....I can
> just imagine having metric speed signs on newer roads and in cities, and
> in the boonies, where nothing is changed unless it falls down, the old
> imperial system....

The change to metric was mostly an "over-night" affair. MP/H signs came
down, and km/h signs went up.

The public were bombarded with "conversion campaigns" in the print &
electronic media, and just about every service station in the country
carried free "pocket speed & mileage converters" to help people with older
speedo dials get used to things.

It wasn't hard. You only had to know the imperial equivalent of 3 or 4
different speeds if you drove an older car, and coppers didn't book you for
a few mph over the limit like they do today :)

> Anyway, it was a tongue in cheek remark. Remember seeing this :) at the
> end of the message??

Yeah...

Regards,
Noddy.


Neil Gerace

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Aug 29, 2003, 12:09:18 PM8/29/03
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"John Rodgers" <nospamr...@ozemail.com.au> wrote in message
news:3f49ece1$1...@mail.netspeed.com.au...

> Cool, thanks. I remember the transfers - installed one on an LC torana.
> Sort of looked ok. I'm just planning the resto of an XB GT and I'm not
sure
> whether to stick to the MPH guage or update it to km/h....

Use the km/h one. When your great-granddaughter inherits the car, her
boyfriend won't understand mph :)

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