ijmj

ijmj

Member
So I'm still pretty head down with the 300tdi HiCap - I'm having issues with my Insa Turbos rubbing on the radius arms when in full lock. Having played around with the steering lock stop bolts and having bent every single longer bolt I've installed I'm guessin when the previous owner installed them they just steered out of the horrific crashing noise when in full lock. I've reinstalled the OEM jobs but they're pretty worn and won't give me the length I need. My next step is spacers. Do we think that will solve the rubbing issue? I've got the original radius arms installed and a 2" lift.

I'm going to need full lock for getting around the copse on our land come wintertime, and many times besides.

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Issues with spacers are your tire can end to far out for the eyebrow to cover, a legal requirement in the UK.
Greater stress on the wheel bearings, just something to be aware of and keep an eye on.
Be aware it is not good to hold steering at the full lock position when you can hear the pump straining.
Tire rubbing on the arm at low speed is no problem [Section of arm gets a polish😁] as such. I just live with it on mine.
Steering out of the rub is what I do unless turn requires the max.
 
You can put spacers on the steering lock stop bolts to stop them bending.
You can use washers if only need a little bit.
 
Okay - Is this a divisive issue? As I've got massive nubs on the outside of the tyre with the Insa's it really shocks me at times how bad it sounds ! I don't want to put any more strain on the bearings as am often crawling over real rough terrain, rocks & tree stumps and the like. Seems like it might be a "between the pedals and the steering wheel" issue then ?

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I can understand those Insa turbos chunky's making a racket on the arms.
For the sort of stuff you are doing as @300bhp/ton says spacers or offset rims would be fine.
Bearing strain tends to be more of an issue when very wide wheel/tire combinations are fitted and driven hard.
For every day off road work can't go wrong with what you have.
 
Fit spacers if you like the wheels then order some extended arches.
I have 315s on mine with spacers & they stick out loads passed loads of cops I just give a wee nod or wave an they
dont bother. 🤣🤣
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kevstar said:
Yer so is double parking & going over the speed limits but we all do it.....
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That is a vain way to justify it. Many of us go to the effort of ensuring our vehicles are not illegal. In this case, wider wheel arches or even attaching some rubber to extend the factory ones is cheap and easy to do. Its just laziness not to do it. And gives the entire 4x4 scene a bad rap.
 
OKAY well I am, after much deliberation, I think going to go down the route of fitting 5x165 to 5x120 adapters (56mm offset increase) with some of the New Defender (L663) steelies, which are 18".

Having read about the Boost Alloys it seems like they weren't fitted to the 300tdi, and only when the 2007 (L316) defender was released were they fitted, as there was an increase in clearance from the radius arms to the hubs. The Boost Alloys, it seems, doesn't have the offset needed to fit rub-free on a 300tdi, with any tire.

Please correct me if I'm wrong or something seems massively mechanically aberrant in my decision 👍


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ijmj said:
or something seems massively mechanically aberrant in my decision
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Fitting 18" wheels fall into this category, just poor taste and judgement being displayed to even consider such a choice! On a more serious and practical note it also means that you will either get a larger diameter wheel tyre combo overall (potentially back to the rubbing issues) or need to reduce the tyre profile. when reducing the tyre profile remember the below and that only one is an acceptable choice!

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dag019 said:
Fitting 18" wheels fall into this category, just poor taste and judgement being displayed to even consider such a choice! On a more serious and practical note it also means that you will either get a larger diameter wheel tyre combo overall (potentially back to the rubbing issues) or need to reduce the tyre profile. when reducing the tyre profile remember the below and that only one is an acceptable choice!

View attachment 336734
Click to expand...

I'm definitely in the left hand side of the camp, but I'm really trying to troubleshoot the problem and am not getting a lot of helpful feedback. Boosts seem to have much less offset, so even fitting a lower profile tyre on a 1995 300tdi with Boosts won't definitively prevent rubbing. I've gone through a lot of versions of theoretical solutions and have not arrived at a clear answer. I would rather not run spacers, much less would I like to run spacers with alloys. Another solution would be 16" white Zu wheels with Michelin Cross Climates, but that's at least double the price of the adapters / L663 wheels. With the L663 wheels + adapters I might actually get a tighter turning circle and greater ground clearance for the diffs. I'm not putting spinners on there or anything 💁‍♀️
 
dag019 said:
Fitting 18" wheels fall into this category, just poor taste and judgement being displayed to even consider such a choice! On a more serious and practical note it also means that you will either get a larger diameter wheel tyre combo overall (potentially back to the rubbing issues) or need to reduce the tyre profile. when reducing the tyre profile remember the below and that only one is an acceptable choice!
Click to expand...

You’ll still have quite a big sidewall with 18” if you go for the right size tyre tbh. Should be 5-6” of sidewall.
 
Unfortunately without sitting and meticulously researching the offset of each different style of wheel i don’t think there is any other way of doing it. I run 8” width modular steels on my 110 that with a quick google look to have an offset of +25. I run 265/75 bfg at’s with no issues. But I know they do not have the large sidewall lugs of the special tracks.
My preference is a larger offset rim rather than a spacer but I know this is a much more expensive option. I used to run 35” when I had a lift and had very deep dish 15” modular at that point. My justification for increasing rim offset rather than a spacer is the physics is the same in terms of axle wear. But there is only one mating surface/set of bolts to worry about. You don’t need to worry about the quality or the spacer (there were some horror stories about 10 years ago!) and you also don’t need to worry about checking the torque. To check the torque of the spacer you have to remove the wheel which adds an additional step to your regular maintenance.
 
dag019 said:
Unfortunately without sitting and meticulously researching the offset of each different style of wheel i don’t think there is any other way of doing it. I run 8” width modular steels on my 110 that with a quick google look to have an offset of +25. I run 265/75 bfg at’s with no issues. But I know they do not have the large sidewall lugs of the special tracks.
My preference is a larger offset rim rather than a spacer but I know this is a much more expensive option. I used to run 35” when I had a lift and had very deep dish 15” modular at that point. My justification for increasing rim offset rather than a spacer is the physics is the same in terms of axle wear. But there is only one mating surface/set of bolts to worry about. You don’t need to worry about the quality or the spacer (there were some horror stories about 10 years ago!) and you also don’t need to worry about checking the torque. To check the torque of the spacer you have to remove the wheel which adds an additional step to your regular maintenance.
Click to expand...

I am basically "meticulously researching the offset of each different kind of wheel" at this point! I'm running into a lot of conflicting anecdotal evidence. Questions of taste and decency are almost going out the window. The lugs on the Insa's, with the low swing aperture on the hubs and the almost negative offset of the boosts means the wheel will actually lock itself against the radius arm if you steer too far in. How this setup ever worked in a forestry situation is beyond me.

I would, ideally, run a combination that was capable working offroad in winter conditions that wasn't a major inconvenience in terms of actual maneuverability. It is, for some reason, very difficult to find a solution for this! I was hoping to find something landrover manufactured. Standard issue white steelies bring back memories of my Puma and it's honestly just a bit soon 😂 haven't had the capacity for grieving since she went to the great scrapyard in the sky.
 
Never worry about tyres in the forestry industry. Some logger will always pull you out.(oh they were pulling you into the woods that day, loading you & dragging you back)
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ijmj said:
was hoping to find something landrover manufactured.
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I dont think you will find Land Rover made wheels to fit what you are looking for. The steel options were either the standard or Hd version. And the alloys were not for “commercial” use. Special vehicles used modular wheels for the power company vehicles. Which is why that’s what chose for mine. (On a bit more digging I think mine are -8mm. The +25mm ones are for discovery/Range Rover).
 
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