Largest tires that will fit after installation of Johnson Rods - Page 3 - Land Rover Forums : Land Rover and Range Rover Forum
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post #31 of 59 (permalink) Old 02-27-2018, 01:56 PM
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Without any comment from D3 owner's hanbook(same for D4), i'll dig after the D5 one too cos i dont have it yet:


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post #32 of 59 (permalink) Old 02-27-2018, 06:11 PM
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My 1976 Rangie Pickup has no electronics and only a 2inch body lift.
Stock size tires and tread pattern to? To go with that raised COG.

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post #33 of 59 (permalink) Old 02-27-2018, 09:24 PM
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Stock size tires and tread pattern to? To go with that raised COG.
In line with most of the developed countries, we have national laws that dictate what modifications can be done without a full engineers report.

It appears that I will have to take back many of my earlier comments.You have forced me to have another look at our modification rules. It appears that they have removed a lot of the limitations that use to have on ESC vehicles. It would appear that we can now modify them in line with the normal rules. So we are now allowed to lift a ESC vehicle by 50mm and fit up to 50mm large tyres.

My Rangie complies with all the modification rules.

For those that may be interested, our national modification rules are contained here: https://infrastructure.gov.au/roads/.../vsb_ncop.aspx

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post #34 of 59 (permalink) Old 02-28-2018, 04:28 AM
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Also food for thought in the land Rover ecu software there is the ability to adjust for larger tires. So with dealer support or a something like a gap tool you can let the truck software know that changes have been made

Also noted that you have a lifted range Rover on bigger tires, but it complies with your safety standard. Oddly so does mine for where I live. So I guess we are both safe.
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1972 MGB
2006 Bonatti Grey LR3 Proud Rhino Bumper, Baja Rack and TF underbody skid plates almost 33's lol
2007 Chawton White LR3 Proud Rhino lift rods
1983 Trident Green 110, TerraFirma suspension, and bumpers
1991 Range Rover Classic Hunter Eastnor Green


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post #35 of 59 (permalink) Old 02-28-2018, 05:06 AM Thread Starter
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Originally Posted by p76rangie View Post
In line with most of the developed countries, we have national laws that dictate what modifications can be done without a full engineers report.

It appears that I will have to take back many of my earlier comments.You have forced me to have another look at our modification rules. It appears that they have removed a lot of the limitations that use to have on ESC vehicles. It would appear that we can now modify them in line with the normal rules. So we are now allowed to lift a ESC vehicle by 50mm and fit up to 50mm large tyres.

My Rangie complies with all the modification rules.

For those that may be interested, our national modification rules are contained here: https://infrastructure.gov.au/roads/.../vsb_ncop.aspx
50mm = 1. 97" and Johnson Rods provide 1.5" of lift, which pretty much puts this issue to bed as far as Land Rovers are concerned. Thank you, Ian!

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post #36 of 59 (permalink) Old 02-28-2018, 03:18 PM
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50mm = 1. 97" and Johnson Rods provide 1.5" of lift, which pretty much puts this issue to bed as far as Land Rovers are concerned. Thank you, Ian!
I would still consider it a concern.
When Land Rover is so concerned with the extra height that they build safety systems to prevent the vehicle being driven above certain speeds at those heights, I think you should listen to the safety concerns of the people who designed it.
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post #37 of 59 (permalink) Old 03-06-2018, 02:55 AM
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Something that you should realise is that these Johnson rods simply run the airbags at a higher pressure. Try running your tyres at 45 psi and then 25psi on a rough dirt road and see what this increased pressure will do to your comfort.
Also the increased pressure will reduce articulation off-road, making it less capable.
These type of mods are really only for mall crawlers.
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post #38 of 59 (permalink) Old 03-09-2018, 10:24 AM
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I would still consider it a concern.
When Land Rover is so concerned with the extra height that they build safety systems to prevent the vehicle being driven above certain speeds at those heights, I think you should listen to the safety concerns of the people who designed it.
Interesting, because Land Rover doesn't seem to care:

https://jalopnik.com/the-land-rover-...the-1822943872
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post #39 of 59 (permalink) Old 03-16-2018, 04:33 PM
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Discovery 5 lift kit

Lift rods have been used since the LR3 came out more than 10 years ago.
I get great comments from users and they frequently purchase again when they trade up.
Got this pic from a D5 owner recently using the 1.5 inch lift.
[IMG][/IMG]
Discovery 5 lift Kit
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post #40 of 59 (permalink) Old 08-01-2018, 01:06 PM
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D5 18" wheel

Good news, there will now be an 18 inch wheel available for the Discovery 5 that will open up more tire options and will be better for off road. We will be carrying these starting mid August for sale. The price is the same as the LR4 wheel made by Compomotive. Check our website for details as they arrive. johnsonrods.com
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post #41 of 59 (permalink) Old 08-02-2018, 10:37 AM
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Good news, there will now be an 18 inch wheel available for the Discovery 5 that will open up more tire options and will be better for off road. We will be carrying these starting mid August for sale. The price is the same as the LR4 wheel made by Compomotive. Check our website for details as they arrive. johnsonrods.com
Nice - any pictures you can post in the meantime?

Looks like 265/65-18 would fit and has good selection of AT's including DuraTracs - that O.D. (31.6") is between the OEM 255/55-20 and 275/55-20 (31.9"), which I'm running w/o a lift.

Yes, I do take it off-road.
----------------------------
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post #42 of 59 (permalink) Old 10-14-2018, 06:01 AM
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Is anyone running these wheels yet ?

2008 LR3 SE | 2008 RR Sport HSE LUX | 1989 RRC w/ 96 D1 motor, 2" OME, 245/75 BFG AT's, Warn 9.5ti, RTE front bumper and steering skid plate
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post #43 of 59 (permalink) Old 10-30-2018, 11:11 AM
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As far as I can tell, they're not for sale yet by @Johnsonrods. They're not on the website, at least.

Yes, I do take it off-road.
----------------------------
2017 Discovery HSE Td6
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post #44 of 59 (permalink) Old 10-30-2018, 01:41 PM
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In line with most of the developed countries, we have national laws that dictate what modifications can be done without a full engineers report.

It appears that I will have to take back many of my earlier comments.You have forced me to have another look at our modification rules. It appears that they have removed a lot of the limitations that use to have on ESC vehicles. It would appear that we can now modify them in line with the normal rules. So we are now allowed to lift a ESC vehicle by 50mm and fit up to 50mm large tyres.

My Rangie complies with all the modification rules.

For those that may be interested, our national modification rules are contained here: https://infrastructure.gov.au/roads/.../vsb_ncop.aspx

It would be nice if someone would petition your local government and tell them this is a waste of time and money. You have to get the camels nose out from under the tent when the camel first sticks it's nose it under the tent.... or up goes the tent everyone runs screaming and the camel dances around where the tent used to be ..

People should be able to do whatever the hell they want to their property without being policed. I see this happening here in the US with all these modded out Jeeps someday soon.
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post #45 of 59 (permalink) Old 10-30-2018, 01:46 PM
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Also food for thought in the land Rover ecu software there is the ability to adjust for larger tires. So with dealer support or a something like a gap tool you can let the truck software know that changes have been made

Also noted that you have a lifted range Rover on bigger tires, but it complies with your safety standard. Oddly so does mine for where I live. So I guess we are both safe.

How does the ECU have the ability to adjust for larger tires when they affect the gearing?
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