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True reading of oddometer

ianm
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26 Jun 2019 21:51 #210344 by ianm

True reading of oddometer was created by ianm

Hi does anyone know by how much the jimny oddometer under reads by with 30" x 9.5" x 15" tyres fitted

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Lambert
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The quickest Jimny in Harrogate...(that I own)

27 Jun 2019 04:23 #210345 by Lambert

Replied by Lambert on topic True reading of oddometer

There's a site called grimjeeper which allows you to calculate the gearing of any particular combination of tyre and gearbox combinations. The actual ratios of all the Suzuki gearboxes and transfer boxes are available in the wiki section at the top of the page. Also be aware that the cluster over reads the mph by approximately 3 on standard gearing and tyres so 30 indicated is about 27 actual.

Temeraire (2018 quasar grey automatic)
One of the last 200ish of the gen3s, probably.
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X8GGY
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but currently AWOL

27 Jun 2019 15:21 #210375 by X8GGY

Replied by X8GGY on topic True reading of oddometer

Depends on your gearing too...

My daily driver has 235/75/15s on it, it's a VVT and the transfer box and diffs have been swapped to earlier ones to correct the gearing and also the speedo / odometer.

My weekend toy S200KYS has 31"x10.5"x15" tyres on it, but it's fitted with a Samyrai transfer box with a 4.87:1 gearset in it, so again the speed / odometer are about right...

The buggy I'm building is having 29" tyres (235/70R16) but I'm swapping the diffs to VVT 4.3:1 (from 3.9:1 diffs) to correct the gearing and odometer.

Here you go, back to your original questin, if your gearing is stock -