Vehicle & Technical > Discovery
heavy duty front springs... Good or bad
Disco Matt:
Thankfully it seems to be fine on sideslopes (good, as I start getting very edgy at about 30 degrees and will not go beyond 40!)
I've not really tried axle-twisting, but it does seem to behave well on level or downhill parts. I know I can just trickle it down loose rocky bits without any fuss beyond maybe a few stones popping out from under the wheels.
Devon-Rover:
Digressing back on topic. ;)
Putting HD springs and shocks on the front for general towing might help but then might not. Yes for the back end as you will have the extra weight of the trailer nose weight, pushing on the back end. In this case the front will be slightly lesser weighted anyway. So the Stiffer springs might cause the steering to become twitchy and edgy when going along. something you don't want happening. How? Well i look at it as the disco with a proper trailer up behind with a good load on it will sit slightly nose high due to the weight on the back. Now HD springs have a higher spring rate and so will not compress as much as standard springs, Now with the disco being effectivly lighter on the front because of the trailer the HD springs will exacerbate the noise in the air and as the same with a suspension lift kit too much and it starts to affect the castor angle which upsets the steering.
IMHO a Towing vehicle needs all the bushes to be pukka with HD Springs and shocks on the rear if towing all the time or just the shocks for occasional towing jobs. Standard springs will sag with age so maybe just new standard fronts coupled with the HD rears and Decent shocks all round should provide a good ride.
Remember that unladen any vehicle on HD suspension will ride very harshly and this is something that many overlook when choosing new suspension for their vehicle. The best way is to look at what you have and what you want to do. Work out the loads and the weight you will carry. With this you can look at the manufactures options with what spring rates they have to match your demands.
clbarclay:
--- Quote from: Devon-Rover on June 02, 2009, 11:47:32 ---How? Well i look at it as the disco with a proper trailer up behind with a good load on it will sit slightly nose high due to the weight on the back. Now HD springs have a higher spring rate and so will not compress as much as standard springs, Now with the disco being effectivly lighter on the front because of the trailer the HD springs will exacerbate the noise in the air and as the same with a suspension lift kit too much and it starts to affect the castor angle which upsets the steering.
--- End quote ---
:-.
Assuming these are stiffer, but standard ride height springs, then the nose should rise less when the trailer nose weight acts on it. The weight transphere from front to rear axle is to all in tents and purpose the same, and the stiffer rate means the springs extend less for a same ammount of weight being transphered off them.
muddyjames:
I have the heavy duty springs and dampers all round on mine and helps body rol alot. Never had a problem off road and tow a twin axle caravan. Ok the caravan didnt tow very well but I put that down to the caravan as it doesnt tow well behind my new tow car either. :evil:
Range Rover Blues:
Definitely do the shocks, keep the car balanced. Not sure about the springs, check that the H/D ones are heavier than the originals, I'd be tempted to fit new original equipment spec TBH unless you are adding weight.
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