rear end bounce :-)

stevemcc · **Posted:** Sun Aug 10, 2008 4:04 am

Hi all hope everyone had a good weekend.

Just a quick question for those out there running Stu's lift, and/or those with polyairs...

Which handles the load of towing better? Or more acurately which controls the load of a trailer better.

My trailer is unbraked and at the moment I'm running it each weekend pretty much up there at about 750kg. No worries on the tar but I'm doing about 150k's each weekend on the roads in and around Killarney and Urbenville. Which imho need some serious work from a few road crews. :evil:

Problem I'm getting is with the state of the roads I get bounce in the rear of the KJ that normally would'nt and isn't a problem. Do the same roads with out the trailer no issue. With the trailer the bounce gets worse and I either rub the rear tires or in bad cases go light on the front. Which can be a bit unnerving with the clifs round that area.

So I'm looking for some advice from the regular towers ( or is it tow-ies) as we've not done much before. But with the sale of the CJ and TJ we are down to one jeep

so the trailer is a must

cmohr · **Posted:** Sun Aug 10, 2008 4:30 am

I don't tow a trailer much, but, I have often borrowed a mates trailer and driven with a full cubic meter of rocks in the back and had no "bouce" so to speak of. I have the u-beaut extra long extra heavey duty coils in the rear, and dont rub the tyres because of my bumpstops.. But, I don't tow all the time, and I know Pipeliner ( who seems to be constantly towing his camper somewhere) has the polyairs and swears by them as "THE" thing for towing, I would agree with him, that they are made for the job and perform brilliantly.

I always say, build for purpose... If you need it to tow and towing is a big part of what you do, go with the polyairs they are made for towing.. If you are mainly about 4x4ing and articulaion, Stu's exrta heavey duty coils would be the option as they flex beautifully , yet , will still hold the rear of the KJ up with a constant load.

On a separate but same issue... How are you rear shocks????? Bounce would seem to be more often caused by dud shocks than the coils. The coils should just be holding up the weight, its the shocks that stop cyclic weight bouce.

GoldCoastJeepers · **Posted:** Sun Aug 10, 2008 6:44 am

Our trailer with camping gear is very heavy. We also consistantly keep a lot of weight in the back of the KJ. We have never experienced bouncing of the rear end either with or without the trailer. In fact we run the same extra long extra heavy duty spring as CNOHR from Stu and I must say the trailer has never towed better.

pipeliner · **Posted:** Sun Aug 10, 2008 5:57 pm

GoldCoastJeepers wrote:

Our trailer with camping gear is very heavy. We also consistantly keep a lot of weight in the back of the KJ. We have never experienced bouncing of the rear end either with or without the trailer. In fact we run the same extra long extra heavy duty spring as CNOHR from Stu and I must say the trailer has never towed better.

If CNOHR is pronounced "Snore" then it would have been a very apt name last Sat. Poor Chris, he really should have been in bed!

The beauty of Polyairs for towing is that they add extra stiffness to the rear springs when needed for towing, then when you don't need them you just let them down. Just remember that they should always have at least 5psi in them as they are, in effect, your bump stops.

stevemcc · **Posted:** Sun Aug 10, 2008 7:02 pm

Thanks for the thoughts all. Given I'll be towing something most weekends untill we get the new place built I think the polyairs will be the go. But I think I will get the shocks checked. As you say, Cmhor, they should be controlling the bounce. A trip back to ARB might be in order.

Flexing and 4x4'ing is going to be limited for a while to using the Condamine crossings as a short cut to the shops.

By the way if anyone needs somewhere to camp in that area give me a shout.

Team J.a.G · **Posted:** Mon Aug 11, 2008 9:05 pm

I 've got Stu's Heavy duty coils & OME shocks and find no bounce at all, either with or without Milly (13ft Caravan) in tow.

cmohr · **Posted:** Mon Aug 11, 2008 10:04 pm

stevemcc wrote:

Thanks for the thoughts all. Given I'll be towing something most weekends untill we get the new place built I think the polyairs will be the go. But I think I will get the shocks checked. As you say, Cmhor, they should be controlling the bounce. A trip back to ARB might be in order.

Flexing and 4x4'ing is going to be limited for a while to using the Condamine crossings as a short cut to the shops.

By the way if anyone needs somewhere to camp in that area give me a shout.

My First set of OME shockies died on a twp week trip to SA a few years ago.... they were replaced with Pro-comps, but, now I'm back on the OME again, but, different ones, Stu's extra extra long travel ones.. Bt have the pro-comps under the house.. They were very stiff.

We may all have to do another LOST Condamine Run :lol:

Fouros · **Posted:** Mon Aug 11, 2008 10:35 pm

i will be in that

any water in the river?????

rear end bounce :-)

Who is online