Vehicle & Technical > Discovery
Lifted Disco query
Eeyore:
Okay, extended bump stops. The longer the shock, the longer the top tube. Without extending the bump stop you're more likely to bottom the shock out than with a standard length shock - which isn't good. Therefore with with any extension of shock (without relocating the top mount) extended mounts are advisable. Also longer springs usually have more coils. trying to pack more coils into the same compressed length often results in the coils coming into contact with each other, often violently. This doesn't do 'em much good. Extended mounts can limit coil binding thereby improving the life of your spring.
For hard use overland in a Disco, I'd seriously consider a set of uprated springs. Not just longer, but stiffer. Unloaded, this may make the car feel a little stiff (some folk, meself included prefer this), but over rough terrain you'll really appreciate the difference.
HTH
Cheers
8)
Eeyore
Tyke:
--- Quote ---The longer the shock, the longer the top tube. Without extending the bump stop you're more likely to bottom the shock out than with a standard length shock - which isn't good
--- End quote ---
But surely the closed position remains the same with extended shocks, unless you shift the mounts up or down. The shock extension allows the axle to drop more, the spring extension lifts the chassis to compensate. Unless the mounts are raised, extended shocks cannot allow extra travel upwards. You are limited in upward travel by the shocker/spring mount positions. Therefore the bump height will remain the same for a given set of suspension components/tyres. The extended length, 'droop', will however increase, which in turn will 'flip' over the anti-roll linkages or dislocate the rear springs if the roll bars are removed.
Best to set everything up on the ramps, then you can be sure it will all work in harmony at the optimum settings . . . just a lot of messing about to do it.
Mace:
I've 235/85/16's on my disco with a 1.5" lift and the tyres scrape the rear metal inner wheel arch that extends to the mud flap BEFORE it hits the bump stop.
Is this what you're experiencing ?
Eeyore:
--- Quote from: "Tyke" ---
But surely the closed position remains the same with extended shocks, unless you shift the mounts up or down. .
--- End quote ---
I can see where you're coming from, but the closed length of a +2" shock is longer than a standard, hence they're more likely to bottom out using standard mounts and stops.
The ramp idea is good 'un BTW, just bear in mind that the dynamic behavioru of the suspension will be slightly different than under a static load - but you should still be able to get somewhere close.
HTH
cheers
8)
Eeyore
way2deep:
i reckon you should just have fitted heavy duty standard hieght springs,that's what i am running at the moment (see my thread lift kit or handling)just cos you lift the disco ,it don't stiffen it ,far from it ,which was the result you were after..sorry mate i just think you went for the wrong items to cure the problem
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