helper spring rear end lift

helper spring rear end lift

Postby fellowtraveler [OP] » September 16th 2020, 4:17am

I rescue food a couple times a week with my 98 Astro. So I thought it might be a good idea to add a set of helper springs to the rear. Which I did. On with the Hellwig 815 springs no problem. So now when shes unloaded (which is the majority of the time) my back end is racked about 2-3 inches higher than the front. My question is: Will this rear end lift adversely effect any of the overall suspension elements/parts or overall general operational status and/or handling. Have never experienced this particular set of circumstances (in any vehicle I have owned) I thought I'd ask before putting a bunch of miles on her. :chevy:
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Re: helper spring rear end lift

Postby 97cargocrawler » September 16th 2020, 7:46am

Because your pinion angle will change, added wear on the driveshaft CV joints and transmission mounts. Possibly other components if you start to have vibrations from the angle change. A decent amount of rake will also change the caster angle of the front wheels. So some added wear could appear..though seems unlikely.
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Re: helper spring rear end lift

Postby fellowtraveler [OP] » September 16th 2020, 3:08pm

So would it be then smart to raise the front end a few inches to level it out?
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Re: helper spring rear end lift

Postby 97cargocrawler » September 16th 2020, 6:26pm

I think the wear will be minimal but depends on the current condition of your driveline. Personally I hate how rake looks and feels so I would do a 2" body lift.
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Re: helper spring rear end lift

Postby fellowtraveler [OP] » September 16th 2020, 9:13pm

I feel the same - since the back is already lifted (via the helper springs) - is it possible to just raise to front to equalize?
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Re: helper spring rear end lift

Postby 97cargocrawler » September 17th 2020, 4:59am

fellowtraveler wrote:is it possible to just raise to front to equalize?


2" body lift. aka. "pucks, blocks or spacers" that go in between the front subframe and body. This is the cheapest and easiest way to lift the front of a RWD van and the only way to correct rake and pinion angle at the same time.
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Re: helper spring rear end lift

Postby MechBob » September 17th 2020, 5:32am

OK,just coming from an old mechanic.The kit you put on is a load leveler,is adjustable,the key is to raise the vehicle to stock height,unloaded.Then it will also help when vehicle is loaded.Running it jacked up in the back can-increase u-joint wear,increase vibrations,affect the braking system(normal braking), and affect the ABS braking system.Not to mention,being a 2wd, increases understeer.Just seems to me yopu have used the product wrong.There is nothing wrong with a "leveling" kit, when used/installed properly.
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