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leaf spring helpers or air bags | Joined: Apr 2004 Posts: 2,030 Likes: 51 veteran | OP veteran Joined: Apr 2004 Posts: 2,030 Likes: 51 | What is the best way to raise the rear of my van 2-3" ('79 G30). Will leaf spring helpers do this?
79 chevy G30 cobra camper conversion. | | | Re: leaf spring helpers or air bags | Joined: Oct 2015 Posts: 763 Likes: 50 old hand | old hand Joined: Oct 2015 Posts: 763 Likes: 50 | If you have the original Springs on there, new springs will probably do the trick. they tend to sag a bit after 40 years. | | | Re: leaf spring helpers or air bags | Joined: Apr 2004 Posts: 2,030 Likes: 51 veteran | OP veteran Joined: Apr 2004 Posts: 2,030 Likes: 51 | Yeah the problem there is I'm in Ireland so shipping on something heavy like leaf springs will cost a whole lot. Helper springs would be cheaper and even airbags would be a cheaper option as drive rite airbags actually have a factory over here.
79 chevy G30 cobra camper conversion. | | | Re: leaf spring helpers or air bags | Joined: Jun 2010 Posts: 18,313 Likes: 571 | Joined: Jun 2010 Posts: 18,313 Likes: 571 | IF your springs are in good shape ... put a block in the rear
New leaf's are the best way to go .... the block is the cheapest way
SUNSHINE VANS-VAN DIEGO ADRENALIN BY THE GALLON & CHASIN RACIN ONE FOR THE DIRT & ONE FOR THE STREETS '93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB '92 CHEVY G30 454 BEAUVILLE EXT 146" WB | | | Re: leaf spring helpers or air bags | Joined: Apr 2010 Posts: 2,847 Likes: 42 veteran | veteran Joined: Apr 2010 Posts: 2,847 Likes: 42 | When i pump up my firestone riderite airbags to a high enough presssure to raise the rear height 2-3 inches, it rides very stiffly back there.
100 PSi max in both bags rasises the rear abour 4.5 inches and the suspension barely moves going over a speed bump, and there is very little leaning in turns, but the steering feels all weird due to the caster adjustment and the headlights point too close to the van to be helpful for speeds over 30mph.
Best handling is when PSI is adjusted so all tires have same clearance in wheel wells, though driver's side front always sits 1/4" lower, without me in it. | | | Re: leaf spring helpers or air bags | Joined: Apr 2004 Posts: 2,030 Likes: 51 veteran | OP veteran Joined: Apr 2004 Posts: 2,030 Likes: 51 | I went with a set of add a leaf style leafspring helpers should help fight the sag.
79 chevy G30 cobra camper conversion. | | | Re: leaf spring helpers or air bags | Joined: Sep 2005 Posts: 9,884 Likes: 242 carpal tunnel | carpal tunnel Joined: Sep 2005 Posts: 9,884 Likes: 242 | I went with a set of add a leaf style leafspring helpers should help fight the sag. That's similar to what we installed on our '95 G20 for towing. Hellwig 2500 series helpers. They're one of the best buys we've made in a while. | | |
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