P38A Steering?

oakey · Apr 7, 2019

Hi folks, 1995 V8 auto, 185k
Please help, I have two questions.
1. Front passenger tyre WELL worn on inside edge and drivers side worn a wee bit on inside edge but nowhere near the other one. Back tyres have about 4mm left.

2. I have always changed all four tyres at once cos of transfer box and viscous couplings and rolling radius etc.
Is this is as vital as I think? Seems a shame to waste two rear tyres.

Dopey · Apr 7, 2019

I just always change the 2, and but the back ones on the front, and the new on the back

RangeRoller dt · Apr 7, 2019

I have completely different tyres on back compared to front. Completely different grip. Been like that for years no problems.
They are 32" so too big for standard much more strain on Tbox etc. if they do catch plastic arch liner always seems to be passenger front? Don't know if it's relevant.

Your arch liner plugs all there?

oakey · Apr 7, 2019

Thanks for replies.
I have standard tyres and wheels
I think all the liner plugs are there and no wear on the liner

RangeRoller dt · Apr 7, 2019

So it's the actual metal arch catching?

My point was huge tyres that cause more stress to the OE shafts/viscous/bearings etc with different treads front/back have caused no issues over 5yrs. You will be fine

oakey · Apr 7, 2019

Oh right got you thank you. I am surprised that you dont get wind up. They are pretty aggressive looking tyres
No wear on arch at all its the inside of the tread that is badly worn.

wammers · Apr 8, 2019

If both were wearing evenly then tracking. But if one is worn more than the other camber angle (Ball joints) Have you done any mods to suspension?

Datatek · Apr 8, 2019

RangeRoller dt said:
So it's the actual metal arch catching?

My point was huge tyres that cause more stress to the OE shafts/viscous/bearings etc with different treads front/back have caused no issues over 5yrs. You will be fine

View attachment 174741 View attachment 174742

Tractor tyres

Datatek · Apr 8, 2019

wammers said:
If both were wearing evenly then tracking. But if one is worn more than the other camber angle (Ball joints) Have you done any mods to suspension?

Tracking, knackered track rod or knackered swivels, so as above.

wammers · Apr 8, 2019

Datatek said:
Tracking, knackered track rod or knackered swivels, so as above.

If track was out wear would be same both sides.

Datatek · Apr 8, 2019

wammers said:
If track was out wear would be same both sides.

You would think so but the camber on the road seems to affect the wear side to side, at least that was the case on my Transit.

wammers · Apr 8, 2019

Datatek said:
You would think so but the camber on the road seems to affect the wear side to side, at least that was the case on my Transit.

This is true, but camber on roads does not seem to be as pronounced as it used to be. Track being out produces a easily seen feathering pattern.

Datatek · Apr 8, 2019

wammers said:
This is true, but camber on roads does not seem to be as pronounced as it used to be. Track being out produces a easily seen feathering pattern.

Plenty of camber here and the tyres on the Transit are as hard a hell, but I agree that feathering is obvious on normal car tyres. It was a track rod end gone on the Transit, strangely it made little difference to the steering feel didn't do the MPG much good though. I found it when I did my pre MOT check.

wammers · Apr 8, 2019

Datatek said:
Plenty of camber here and the tyres on the Transit are as hard a hell, but I agree that feathering is obvious on normal car tyres. It was a track rod end gone on the Transit, strangely it made little difference to the steering feel didn't do the MPG much good though. I found it when I did my pre MOT check.

Any wear in a steering joint will be split evenly side to side as the wheels rotate. So the drag and wear will be shared evenly across the axle.

RangeRoller dt · Apr 8, 2019

oakey said:
Oh right got you thank you.
No wear on arch at all its the inside of the tread that is badly worn.

Sorry, I misunderstood 'tyre well' , back on naughty step for me

Yes I do get wind up, it's fair game and I appreciate the honest ones

Can you get a pic of the tyre cross section up on here?

Datatek · Apr 9, 2019

wammers said:
Any wear in a steering joint will be split evenly side to side as the wheels rotate. So the drag and wear will be shared evenly across the axle.

With road camber, I have to constantly apply input to the steering to counteract the pull it causes.

wammers · Apr 9, 2019

Datatek said:
With road camber, I have to constantly apply input to the steering to counteract the pull it causes.

At one time it was same over here especially on narrow roads but on main roads it was not as pronounced. At one time diagonally changing wheels around was standard on a service to even out wear. I don't think it is any longer. And with directional tyres it is not possible unless the tyres are removed from the rims and turned round.

RangeRoller dt · Apr 9, 2019

wammers said:
At one time it was same over here especially on narrow roads

They used to just pour new Tarmac on top then chamfer the edge off towards the drain/kerb leaves increasing camber. They can only get away with it so many times, nowadays there is enough depth to plane it off more level with a big tracked machine and relay flatter, particularly on main roads with bigger runs

oakey · Apr 9, 2019

Thanks for all your replies and advice.
I have not modded the suspension apart from new air bags (standard)
Definitely far more pronounced on one side.
Roads her are C**p
I will try and get a pic but thats complicated stuff
I am going to have to change to the spare when I get home and will have a feel of ball joints etc.
Is that where you rock wheel top to bottom?

Datatek · Apr 9, 2019

oakey said:
Thanks for all your replies and advice.
I have not modded the suspension apart from new air bags (standard)
Definitely far more pronounced on one side.
Roads her are C**p
I will try and get a pic but thats complicated stuff
I am going to have to change to the spare when I get home and will have a feel of ball joints etc.
Is that where you rock wheel top to bottom?

You may need a crow bar to see movement in the swivels even with a wheel off the ground.

P38A Steering?

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