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UK Caravanning (uk.rec.caravanning) A forum for the discussion of caravanning undertaken by residents of the United Kingdom, whether in the UK or abroad. It encourages the interchange of views on the merits of models of caravan, makes of tow car, accessories, caravan sites, caravan clubs, and other related topics. The term caravan is to include trailer vans, motor caravans and trailer tents.

Ride Height



 
 
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  #1 (permalink)  
Old February 19th 04, 02:50 PM posted to uk.rec.caravanning
mark
external usenet poster
 
Posts: 5
Default Ride Height

First of all this question is not about towing caravans its towing in
general.

Dont laugh ....I have a sierra saloon
It runs on lpg and has a huge 80 ltr tank in the back.
the weight of this tank empty is close too two hundred pounds.

The car sits very low at the back when the tank is full.

Need to know...
how to solve this problem

So that i can tow my boat and trailer... 1500 kg

1. Has anyone had any eperience with the coils of rubber that you fit
between the springs.

what are your oppinions ?

2.Uprated stronger springs .......are they shorter for the rally boys
or the same lenght.

what I'm after is for the car always to sit at near the same height
when towing.
I already have "so called load level shocks fitted"

The load leval shocks I had on previose cars were of a different
design than these ...they had a spring on the outside ........the
sierra does not have enough room to fit this type of shock though.

just like to add that I also have trapezium towing hitch
fitted....found this at a car boot and paid 5 for it.....was almost
new.

Looking forward to all your answers.

All the best.......mark
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  #2 (permalink)  
Old February 19th 04, 03:37 PM posted to uk.rec.caravanning
Hitch Lock
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Posts: 62
Default Ride Height

In an earlier contribution to this discussion,
mark wrote:

First of all this question is not about towing caravans its towing in
general.

Dont laugh ....I have a sierra saloon
It runs on lpg and has a huge 80 ltr tank in the back.
the weight of this tank empty is close too two hundred pounds.

The car sits very low at the back when the tank is full.

Need to know...
how to solve this problem

So that i can tow my boat and trailer... 1500 kg

1. Has anyone had any eperience with the coils of rubber that you fit
between the springs.

what are your oppinions ?

2.Uprated stronger springs .......are they shorter for the rally boys
or the same lenght.

what I'm after is for the car always to sit at near the same height
when towing.
I already have "so called load level shocks fitted"

The load leval shocks I had on previose cars were of a different
design than these ...they had a spring on the outside ........the
sierra does not have enough room to fit this type of shock though.

just like to add that I also have trapezium towing hitch
fitted....found this at a car boot and paid 5 for it.....was almost
new.

Looking forward to all your answers.

All the best.......mark



Since you are carrying a *permanent* extra load, what you really need is
some springs with the same load vs deflection *rate* as the existing ones -
but which are longer when uncompressed, so as to put you back to the proper
ride height allowing for the extra weight. One way to do this would be to
have the existing springs stretched and re-tempered - but you've have to
check that they wouldn't then be over-stressed when fully compressed. There
used to be specialist spring makers around who know all about these things.
My last contact with them was over 25 years ago when I needed special
springs for automotive test rigs which I was designing - but I expect they
still exist. Have a look in yellow pages under "Spring Mfrs & Suppliers" -
there are several likely looking candidates in my local YP.

Whatever mods you do to the suspension, make sure that you tell your
insurance company!
--
Cheers,
Hitch Lock
______
Please reply to newsgroup. Reply address is Black Hole!


  #3 (permalink)  
Old February 19th 04, 05:02 PM posted to uk.rec.caravanning
kqr
external usenet poster
 
Posts: 449
Default Ride Height

In article ,
wrote

First of all this question is not about towing caravans its towing in
general.


Dont laugh ....I have a sierra saloon
It runs on lpg and has a huge 80 ltr tank in the back.
the weight of this tank empty is close too two hundred pounds.


The car sits very low at the back when the tank is full.


I am not bloody surprised!

Need to know...
how to solve this problem


You need assistors I see other advice offered along this line
but IMO if having the tank [pun] causes that type of penalty
I'd give it a definate miss.

So that i can tow my boat and trailer... 1500 kg


Towing 1500 kg with it? I suppose you have looked at
the max tow weight for the car have you? Bearing in
mind the 'added Weight' of the 'modification'.

1. Has anyone had any eperience with the coils of rubber that you fit
between the springs.
what are your oppinions ?
2.Uprated stronger springs .......are they shorter for the rally boys
or the same lenght.


what I'm after is for the car always to sit at near the same height
when towing.


That HAS to be done:

a] The road holding capabilities have been reduced.
b] Braking and stability during is also affected.
c] Cornering charachteristics have altered - adversely.

And that is before you tow.

I already have "so called load level shocks fitted"
The load leval shocks I had on previose cars were of a different
design than these ...they had a spring on the outside ........the
sierra does not have enough room to fit this type of shock though.
just like to add that I also have trapezium towing hitch
fitted....found this at a car boot and paid 5 for it.....was almost
new.
Looking forward to all your answers.
All the best.......mark


IMO if you were unfortunate enough to be involved in an
accident and an assessor checked the vehicle out....you
might be in for a shock. [No pun intended]

JMO

  #5 (permalink)  
Old February 19th 04, 07:53 PM posted to uk.rec.caravanning
mark
external usenet poster
 
Posts: 5
Default Ride Height

Sorry guys bit of a mis-calc on my part

got my kg's mixed up with pounds for the weight of the boat
total weight now is about 750 kgs.

car sits 1.5 inches lower with gas tank empty than a normal sierra and
2 inches lower full....thats all we are talking about.

but with a trailer on im loosing another inch......with a measured 50
kg on the ball.

so answer the questions...i gave in the first place ........and let me
worry about plod.

i am seriously considering getting a ford p100 though.......
but keep your answers coming as im sure you can give them.

but dont go on .

just want some strait answers about ....suspension mods and other
peoples experiences with towing with a sierra

all the best.......mark
  #8 (permalink)  
Old February 19th 04, 11:00 PM posted to uk.rec.caravanning
bill lord
external usenet poster
 
Posts: 291
Default Ride Height

On Thu, 19 Feb 2004 21:21:35 +0000, Richard Cole
wrote:

but with a trailer on im loosing another inch......with a measured 50
kg on the ball.

50kg is too much, 50lbs would be better.


50kg would be just about right, recommendation for noseweight is 7% of
weight which is 52.5kg.


(remove the spam to reply)
I've taken a vow of poverty, to annoy me send money
 



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