Odometer correction

[dpetersen]

Hi all!
My odometer has been out since I purchased the car but has gotten worse (obviously) since fitting 33s today.
Today I drove 100ks and it only registered as 91.7ks.
I don’t have a gps so I couldn’t check the speedo but am I correct in saying that if I was doing 92kph on the speedo that I’d actually be travelling at 100kph?
What’s the best way of fixing this?
Don’t get me wrong it’s a good way of keeping the Ks down on the car lol but probably isn’t the right thing to do.
Patrol is an 2006 4.2 wagaon.
Cheers guys


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[Hodge]

Hey mate. Don't know about correcting it ....
But mine is same as yours.

If my needle is on 91-92. I am actually doing a 100. Verified via 3 different gps units.

2005 4.2 on 33s..


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[GQtdauto]

There is a thread here somewhere for correcting a GQ speedo not sure about other models , putting 33's on does alter the speedo but I've gotten used to it .

[Brissieboy]

Jaycar sell a speedo corrector if you do want to make it read accurately.

[mudski]

With the GU's its easy mate. You can just change the speedo driven gear on the sensor. If you pm me the VIN of your car I can look up how many teeth is on the gear you have and should be able to point you to what you need to buy. The right gear should cost you under $50.

[dpetersen]

With the GU's its easy mate. You can just change the speedo driven gear on the sensor. If you pm me the VIN of your car I can look up how many teeth is on the gear you have and should be able to point you to what you need to buy. The right gear should cost you under $50.

Thanks mudski, will send you a pm


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[threedogs]

Thanks mudski, will send you a pm


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X 2 with Mudski an easy fix these days, must set up my GPS and try as well
I set my cruise control on 107 for a 110 speed on the HWY.
Think mine is right with 285s but will check.
One of my GPS has reverted to the the Nth hemisphere, a Garmin 12
the other is a VMS tourer. dont use them ppl always tell me where to go ha ha ha

[Engism]

With the GU's its easy mate. You can just change the speedo driven gear on the sensor. If you pm me the VIN of your car I can look up how many teeth is on the gear you have and should be able to point you to what you need to buy. The right gear should cost you under $50.

I was just reading your reply about speedo sensor gearing ..... I just changed my diff ratios from4.625 to 5.13 and loving the change however as you can imagine my speedo now overeads but all my investigations show i need an inline electrical box to apply do this as it seems nissan only provide a gear for a certain vin ..... do you have any aftermarket info for gearing ....... currently I just use a GPS speedo and its fine but interested in any info u may have.

[mudski]

I was just reading your reply about speedo sensor gearing ..... I just changed my diff ratios from4.625 to 5.13 and loving the change however as you can imagine my speedo now overeads but all my investigations show i need an inline electrical box to apply do this as it seems nissan only provide a gear for a certain vin ..... do you have any aftermarket info for gearing ....... currently I just use a GPS speedo and its fine but interested in any info u may have.

4.6's to 5.13!?? I didnt even know there was a ratio of 5.13. You need to tell me what colour gear you have now, the colour tells me how many teeth on the gear. Then we can work out what gear to use.

[Engism]

With the GU's its easy mate. You can just change the speedo driven gear on the sensor. If you pm me the VIN of your car I can look up how many teeth is on the gear you have and should be able to point you to what you need to buy. The right gear should cost you under $50.

Thanks again Mudski ... will do but will need to do in 3 months as away on work now .... I was going to look last trip home but got sidetracked by people telling me it reqd an electrical input adjustment .....I am thinking after your input it may be a trial n error deal with a few gears in hand.