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leaf spring helpers or air bags #741248
October 04th 2018 8:54 am
October 04th 2018 8:54 am
Joined: Apr 2004
Posts: 1,744
Ireland
shaggy Offline OP
veteran
shaggy  Offline OP
veteran
Joined: Apr 2004
Posts: 1,744
Ireland
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.
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Re: leaf spring helpers or air bags [Re: shaggy] #741249
October 04th 2018 9:27 am
October 04th 2018 9:27 am
Joined: Oct 2015
Posts: 86
Beaufort, SC USA
NEmery Offline
journeyman
NEmery  Offline
journeyman
Joined: Oct 2015
Posts: 86
Beaufort, SC USA
If you have the original Springs on there, new springs will probably do the trick. they tend to sag a bit after 40 years.


'79 Chevy G30, '91 Ford Econoline Winnebago Conversion, and a '77 Dodge B100

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Re: leaf spring helpers or air bags [Re: shaggy] #741253
October 04th 2018 10:21 am
October 04th 2018 10:21 am
Joined: Apr 2004
Posts: 1,744
Ireland
shaggy Offline OP
veteran
shaggy  Offline OP
veteran
Joined: Apr 2004
Posts: 1,744
Ireland
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.
[Linked Image]
Re: leaf spring helpers or air bags [Re: shaggy] #741255
October 04th 2018 11:05 am
October 04th 2018 11:05 am
Joined: Jun 2010
Posts: 14,172
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 14,172
Van Diego California
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 [Re: shaggy] #741262
October 04th 2018 2:27 pm
October 04th 2018 2:27 pm
Joined: Apr 2010
Posts: 2,665
San Diego
W
wrcsixeight Offline
veteran
wrcsixeight  Offline
veteran
W
Joined: Apr 2010
Posts: 2,665
San Diego
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 [Re: shaggy] #741363
October 07th 2018 3:20 pm
October 07th 2018 3:20 pm
Joined: Apr 2004
Posts: 1,744
Ireland
shaggy Offline OP
veteran
shaggy  Offline OP
veteran
Joined: Apr 2004
Posts: 1,744
Ireland
I went with a set of add a leaf style leafspring helpers should help fight the sag.


79 chevy G30 cobra camper conversion.
[Linked Image]
Re: leaf spring helpers or air bags [Re: shaggy] #741368
October 07th 2018 5:32 pm
October 07th 2018 5:32 pm
Joined: Sep 2005
Posts: 8,706
Georgia, USA
CatFish Offline
carpal tunnel
CatFish  Offline
carpal tunnel
Joined: Sep 2005
Posts: 8,706
Georgia, USA
Originally Posted by shaggy
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.


“A van may be safe in the garage, but that's not what vans are for.”


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