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#1 | ||
FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 3,633
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For me it's consistently been Mitsubishi's .. any of them.
Rentals, work fleet cars, my mothers Lancer, my wifes Triton .. all of them have been way, way out. For example, my wifes Triton as best I can tell, you need to be doing at least 118km/h on the speedo to be anywhere near a real 110km/h road speed. All the Falcons / Commodores I'd driven (stock) have always been almost dead-on accurate for speed. Seems to be getting worse with newer vehicles. I'm assuming people see inconsistencies between speedo's and built-in GPS systems? |
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#2 | ||
PURSUIT 250
![]() Join Date: Mar 2009
Location: sydney
Posts: 5,780
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All my falcons have been perfect. My liberty GT (the real GT) is also 8kmh our at 110
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#3 | ||
FF.Com.Au Hardcore
Join Date: Jun 2011
Location: Pt Lincoln far side South Oz
Posts: 5,768
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If they are accurate then something is wrong. I am sure that federal government legislation is that all vehicles must read under the actual speed.
I set my Fg ute on 113 by speedo and GPS 110 south Australia
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#4 | |||
FF.Com.Au Hardcore
Join Date: Oct 2005
Location: Hervey Bay
Posts: 4,197
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Quote:
All my recent Falcons BF 1 - 2011 FG ute have been + 2 kms. |
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#5 | ||
\/\/\/\/\/\/\/\/
Join Date: Feb 2006
Posts: 5,697
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My wife's Astra VXR is around 8-10km/hr out at 100.
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#6 | ||
FAWD - No Boundaries
![]() Join Date: Jun 2010
Location: Adelaide
Posts: 8,129
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My first car was a Morris 1100... the only time you could read a constant speed was 90Mph going flat out down hill (a very long and steep hill
![]() ![]() Other than that... it would constantly jump back and forth about 10 - 15Mph... so you just had to go on average speed (the average of the min/max shown by the needle at any given point ![]() D
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#7 | ||
Moderator
![]() Join Date: Jan 2014
Location: Melbourne
Posts: 7,940
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Yep, my wife's Mitsubishi ASX is way out when we take her car somewhere and I plug in my accurate Garmin GPS by a good 8Km/hr out at 100.
![]() Having said that my new 2017 Mustang is also a fair way out by at least 5km/hr under even at 60km/hr. The best was the FG MKII XR6T at only 1 - 2km/hr under. |
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#8 | ||
All Bran = Regular Member
Join Date: Feb 2006
Location: BrizVegas
Posts: 1,970
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My first car was consistently out.
Speedo went up to 80mph but seemed to always read "ignition light mph". ![]()
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#10 | ||
When in doubt, GAS IT!!
Join Date: Sep 2006
Location: Lower Eyre Peninsula, SA
Posts: 3,018
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Every ford I've ever owned has been out by a consistent 5kph. My wifes' BF wagon 115 = 110kph. The AU work hack is the same, 115@110kph. My Fairlane is a bit more because I run 235/45 tyres instead of the factory 225/50 series.
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#11 | ||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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The Wife's Totota Aurion must be out 8km/h at 100 km/h right from new, all std tyres and all.
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#12 | |||
FF.Com.Au Hardcore
Join Date: May 2011
Location: Trinity Beach FNQ
Posts: 807
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Quote:
Falcons were generally up around 98 and the Commodores not far off that. Russ. |
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#13 | ||
FF.Com.Au Hardcore
Join Date: Dec 2014
Location: St Marys Tasmania
Posts: 3,556
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I only compared my GPS and speedo the other day actually . When my digital speed was showing spot on 100 the GPS was telling me 97-98 for my 2008 FG XR6 .. The AU is about 5 kays optimistic and the little Honda Accord I also have is about 6-7 out at 100 I reckon.
My dear old Dad had a Zephyr Mk2 when I was a kid and that speedo jumped around all over the place ., The speed we were travelling at was anyone's guess. All you knew was that you were at somewhere between 20-30 , 30-40 , 40-50 etc miles per hour . Last edited by roddy1960; 02-07-2018 at 07:59 PM. |
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#14 | ||
Powered By EcoBoost
Join Date: Mar 2011
Location: Central Qld.
Posts: 3,483
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I agree with the OP. I have had the wife's 2008 Outlander & her current 2016 ASX, both were considerably out at 100km/h or 110km/h when compared to the GPS.
A couple of years ago, I was cruising my son's FG at 125km/h south of Taroom (Qld.) on the Leichardt Hwy. in the distance coming around the corner I could make out a motorcycle rider with a white helmet, Brain tells this is not correct braked straight away, it was a police motorcycle officer and he clocked me at 111 km/h, 1 point off my license (me thinks that will do ![]() Many many years ago, my first car was a 1974 LH torana, ![]() ![]() ![]() |
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#15 | |||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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Quote:
![]() Maybe your Torana had the wrong speedo gear drive put in the gearbox. I found that the worst speedos were XY Falcons when doing 90mph and over the needle would bounce up and down when you hit bumps on the road and the HK Holden you got the same type of crap. |
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#16 | ||
FF.Com.Au Hardcore
Join Date: Feb 2008
Location: WA
Posts: 3,705
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S80, 110 indicated 116 actual.
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#17 | ||
FF.Com.Au Hardcore
Join Date: Jun 2009
Posts: 18,985
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B Series cruise set on 200 is bang on 200
po po verified.... ![]() |
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#18 | |||
Powered By EcoBoost
Join Date: Mar 2011
Location: Central Qld.
Posts: 3,483
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Quote:
Could have a speedo issue, but it did read near enough correct speed under 100km/h, I did get done by the police radar in a built up area, doing 70 in a 60 and that was about what the speedo was reading at the time. https://fordforums.com.au/showpost.p...6&postcount=31 Wheels magazine test back in 1977, was where I realized the toranas had a speedo issue in the higher speed regions, not just mine ![]() |
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#19 | |||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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Quote:
If the Torana is running 13in wheels and 3.08 diff maybe it's to do with the selection of the speedo gear that in the gearbox, mine was a green one I believe. Maybe they were putting in a 2.78 ratio speedo gear with 13in wheels with 3.08 diff, a white speedo gear I think 2.78 was. Sure some speedos may of been wonky ones but I can not see why they would of been as the speedo would be just the same setup Torana or the big Holden, behind the face that you see. All the LH-X Torana's my mates had speedos were fine at reading and they were driving flat out on the highway a lot of the time. If you work out the % difference between 3.55, 3.36 3.08, 2.78, 2.60 and then look at the wheel and tyres differences 13in to 14in, well I am sure Holden just tossed in what ever will do, as such was no real big deal back in the days. you had a red and a pink and a green a blue a white speedo gears that i can remember that I have seen for the Aussie box. |
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#20 | |||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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Quote:
The Torana with 13in wheels and 2.78 diff is much the same gearing as it is with a 3.08 ratio and 14in wheels. I have that old wheels test mag still, i bought that mag when it came out. When i got my SL/R5000 it was around 1989 and it had 14in wheels put on it and a LSD 3.08 diff and she hit 5000rpm at 200KM/H because of valve bounce and the same was true with my Sandman with a 3.08 diff, so the speedos and tacho must of been not that bad. You could rev them stock engines out to 5500rpm but in top gear i would say that with the time span at high revs the springs start to get a shimmy by then and they lose some more tension then, so they can not hold 5500rpm for long. |
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#21 | ||
Regular Member
Join Date: Oct 2010
Location: Australia
Posts: 138
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My old '04 BA was over reading by about 5kmph. My '10 FG over reads by 1kmph.
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Cheers 2010 FG XR6 Ute |
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#22 | ||
FF.Com.Au Hardcore
Join Date: Feb 2011
Location: by the beach
Posts: 1,982
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Every car I'm stuck behind on sa country roads
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#23 | ||
VFII SS UTE
Join Date: Apr 2007
Location: Central Coast
Posts: 6,353
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only on a single lane road, different story on a duel lane road..
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I don't often hear the sound of a screaming LSX. But when I do, So do the neighbours.. GO SOUTHS
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#24 | ||
FF.Com.Au Hardcore
Join Date: Feb 2011
Location: by the beach
Posts: 1,982
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No because most of them drive in the fast lane
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clevo mafia (sadly sold) 351c xe manual (now with short shifting 5sp goodness) xc gs coupe project...hmm more clevo for me new daily 2005 ba sr |
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#25 | ||
VFII SS UTE
Join Date: Apr 2007
Location: Central Coast
Posts: 6,353
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exactly, the speedo don't work in the right lane..
drive faster..
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I don't often hear the sound of a screaming LSX. But when I do, So do the neighbours.. GO SOUTHS
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#26 | ||
FF.Com.Au Hardcore
Join Date: Nov 2009
Posts: 2,812
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both Suzuki m/bikes run 10% over which is the max allowed by law (at indicated 100 I'm doing 90 because I'd never confirm that an indicated 110 is an actual 100
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#27 | ||
FF.Com.Au Hardcore
Join Date: Jul 2010
Location: NSW
Posts: 4,324
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Mitsubishi is pretty bad. The work 2016 Pajeros were out by at least 8km/h at 110km/h.
But we just got new 2018 ones that are only out by 2 or 3 at 110km/h. Fixed the speedo's but everything else about them is still garbage for 2018 standards. |
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#28 | ||
FF.Com.Au Hardcore
Join Date: Sep 2006
Posts: 746
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We had a Grand Voyager. Speed was 100% correct with the GPS.
My 2009 Fiesta when set at just over 111kmph on the speedo , is 100kmh on GPS. 122 is 110 on GPS.
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#29 | ||
FF.Com.Au Hardcore
Join Date: Jul 2012
Posts: 3,878
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The old Pregio was about 8 kmh out at 100,Ranger about 5 at 100,Wifeys Hyundai I30 is almost spot on at 100
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#30 | ||
FF.Com.Au Hardcore
Join Date: Jul 2010
Location: NSW
Posts: 4,324
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A mate had a VN commy. According to him the speedo was showing about 110 when he was Sitting side by side with me while I was driving a near new car showing a bit over 90. I GPS tested that car and it was only out by a couple of km at that speed. After realising this my mate said "no wonder everyone always overtakes me"
That car was a shot box so no wonder it was out by so much. |
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