Speedo Correction

Submitted: Tuesday, Dec 03, 2002 at 01:00
ThreadID: 2523 Views:1300 Replies:4 FollowUps:4
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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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Reply By: OziExplorer - Tuesday, Dec 03, 2002 at 01:00

Tuesday, Dec 03, 2002 at 01:00
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.
AnswerID: 9283

Follow Up By: Wayne - Tuesday, Dec 03, 2002 at 01:00

Tuesday, Dec 03, 2002 at 01:00
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.
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Reply By: Member - Ray - Tuesday, Dec 03, 2002 at 01:00

Tuesday, Dec 03, 2002 at 01:00
Allyn,
Applied Instruments in Ballcata are the ones to see. Don't have their number handy so check the phone book. Ray
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Follow Up By: Allyn - Wednesday, Dec 04, 2002 at 01:00

Wednesday, Dec 04, 2002 at 01:00
Thanks Ray
I shall be in Balcatta today and shall check them out
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Reply By: Truckster - Wednesday, Dec 04, 2002 at 01:00

Wednesday, Dec 04, 2002 at 01:00
If your car is a Patrol, Nissan have the gears available. They are under $20.
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Follow Up By: Plexus - Wednesday, Dec 04, 2002 at 01:00

Wednesday, Dec 04, 2002 at 01:00
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%.
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Reply By: P.G. (Tas) - Wednesday, Dec 04, 2002 at 01:00

Wednesday, Dec 04, 2002 at 01:00
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!
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Follow Up By: Allyn - Wednesday, Dec 04, 2002 at 01:00

Wednesday, Dec 04, 2002 at 01:00
1996 80 Series Landcruiser.
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