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Speedo Correction

Submitted: Tuesday, Dec 03, 2002 at 00:00

Allyn

I've recently upgraded tyres to 285/75R16 and need to get my speedo reading altered.
Does anyone know the whereabouts of somebody in Perth who can sell me the right pieces of equipment?
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AnswerID: 9283   Submitted: Tuesday, Dec 03, 2002 at 00:00

OziExplorer replied:

Go to the franchised dealer of your vehicle brand and order the correct gear. There is normally a choice of about 4. The gear assy is normally under $100, and usually around $50 to $60.

The best way to see how much your speedo is incorrect, is to borrow a GPS. GPS will show you the correct speed with a maximum error of .15km. That .15km is regardless of the speed you are doing. That is the maximum error and worst case error.
Reply 1 of 4
FollowupID: 4654   Submitted: Tuesday, Dec 03, 2002 at 00:00

Wayne posted:

Hi Allyn. This doesn't answer your question of where to get help but it may be of interest "www.miata.net/garage/tirecalc.html" Not quite as clever as Truckster with the link thingy :-)
Regards,
Wayne.
FollowUp 1 of 1
AnswerID: 9296   Submitted: Tuesday, Dec 03, 2002 at 00:00

Member - Ray replied:

Allyn,
Applied Instruments in Ballcata are the ones to see. Don't have their number handy so check the phone book. Ray
Reply 2 of 4
FollowupID: 4672   Submitted: Wednesday, Dec 04, 2002 at 00:00

Allyn posted:

Thanks Ray
I shall be in Balcatta today and shall check them out
FollowUp 1 of 1
AnswerID: 9303   Submitted: Wednesday, Dec 04, 2002 at 00:00

Truckster replied:

If your car is a Patrol, Nissan have the gears available. They are under $20.
Reply 3 of 4
FollowupID: 4670   Submitted: Wednesday, Dec 04, 2002 at 00:00

Plexus posted:

Would you know if the same sort of thing applies for my 1986 FJ60? After installing my GPS, I found out that it read under by exactly 10%.
FollowUp 1 of 1
AnswerID: 9305   Submitted: Wednesday, Dec 04, 2002 at 00:00

P.G. (Tas) replied:

G'day Allyn, you didn't mention make or model of vehicle. Is it a mechanical or electrical speedo drive from the transmission? The answers could be quite different! Cheers!
Reply 4 of 4
FollowupID: 4671   Submitted: Wednesday, Dec 04, 2002 at 00:00

Allyn posted:

1996 80 Series Landcruiser.
FollowUp 1 of 1
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