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Author Topic: Pressures  (Read 1393 times)

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miggy

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Pressures
« on: 08 July 2007, 20:58:39 »
Could someone advise please.

Whilst towing my caravan I use the following tyre pressures

Origional Tyre size = 225 x 55 x 16 95V = Pressures Front 36, Rear 42. This was going by the manual.

I have since fitted new wheels

Tyre size = 235 x 40 x 18 91W = What would the best tyre pressues be whilst towing.

Also, If I had the 4 wheel alignment done with my new wheels as above, would the alignment be the same or would I need to have it done again if I put my Miggy wheels back on.

Any help on the above would be apprieciated.

  
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STMO123

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Re: Pressures
« Reply #1 on: 08 July 2007, 22:56:27 »
Bog off. We're all playing with Ronnie at the mo :P
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Baron Von Spongebob

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Re: Pressures
« Reply #2 on: 08 July 2007, 23:00:50 »
 ;D ;D ;D ;D ;D ;D
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Timbuk

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Re: Pressures
« Reply #3 on: 08 July 2007, 23:00:53 »
Quote
Bog off. We're all playing with Ronnie at the mo :P

Thats Nasty  ;D ;D
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Baron Von Spongebob

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Re: Pressures
« Reply #4 on: 08 July 2007, 23:05:22 »
Quote
Could someone advise please.

Whilst towing my caravan I use the following tyre pressures

Origional Tyre size = 225 x 55 x 16 95V = Pressures Front 36, Rear 42. This was going by the manual.

I have since fitted new wheels

Tyre size = 235 x 40 x 18 91W = What would the best tyre pressues be whilst towing.

Also, If I had the 4 wheel alignment done with my new wheels as above, would the alignment be the same or would I need to have it done again if I put my Miggy wheels back on.

Any help on the above would be apprieciated.

  

When doing tyre pressures you should wear open toe sandals..

Kick tyre until big toe hurts, this indicates enough pressure in tyre.

Hope this helps... ;D ;D ;D
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Taxi_Driver

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Re: Pressures
« Reply #5 on: 08 July 2007, 23:11:30 »
I wouldnt go putting more than 100psi in them.....otherwise they might go pop!  :y

PS.....Try Martin.....he's one of caravanning experts  :y
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miggy

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Re: Pressures
« Reply #6 on: 09 July 2007, 15:58:38 »
What a bunch of .............. Thanks for that advice, all had plenty of beer have we.


# ;D ;D ;D ;D
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miggy

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Re: Pressures
« Reply #7 on: 09 July 2007, 15:59:24 »
Quote
Bog off. We're all playing with Ronnie at the mo :P

You bog off you oldtimer.

 ;D ;D ;D
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miggy

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Re: Pressures
« Reply #8 on: 09 July 2007, 16:00:46 »
Quote
Quote
Could someone advise please.

Whilst towing my caravan I use the following tyre pressures

Origional Tyre size = 225 x 55 x 16 95V = Pressures Front 36, Rear 42. This was going by the manual.

I have since fitted new wheels

Tyre size = 235 x 40 x 18 91W = What would the best tyre pressues be whilst towing.

Also, If I had the 4 wheel alignment done with my new wheels as above, would the alignment be the same or would I need to have it done again if I put my Miggy wheels back on.

Any help on the above would be apprieciated.

  

When doing tyre pressures you should wear open toe sandals..

Kick tyre until big toe hurts, this indicates enough pressure in tyre.

Hope this helps... ;D ;D ;D

Thanks for those words Taffy, it really helped, I hope you find cupcake soon.

 ;D ;D ;D
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Marks DTM Calib

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Re: Pressures
« Reply #9 on: 09 July 2007, 17:17:47 »
Start off with the pressures used on the 17 inch wheels and watch the tyre wear, if wearing in the middle then up them a bit...

Its going to be trial and error to some extent as the calcs were not done during the design of the car.
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Martin_1962

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Re: Pressures
« Reply #10 on: 09 July 2007, 19:17:43 »
Use the fully laden values, manual not to hand though
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old cruiser

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Re: Pressures
« Reply #11 on: 09 July 2007, 19:22:41 »
Mark, don't you mean lower the pressure if wearing in the centre of tyre
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miggy

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Re: Pressures
« Reply #12 on: 09 July 2007, 20:45:14 »
Quote
Use the fully laden values, manual not to hand though

Do you mean use the fully laden values of the 16" on the new 18" even though the tyre size is different.


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TheBoy

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Re: Pressures
« Reply #13 on: 09 July 2007, 22:20:36 »
Quote
Quote
Use the fully laden values, manual not to hand though

Do you mean use the fully laden values of the 16" on the new 18" even though the tyre size is different.


I'd go for the 17" values (32 all round normal, 38F 45R fully laden), and see what wear pattern develops...
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Grumpy old man
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