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Rear Lift options - 1990 Dodge B250 Roadtrek #758256
March 23rd 2020 3:35 pm
March 23rd 2020 3:35 pm
Joined: Oct 2017
Posts: 16
Montreal, Canada
fishbone Offline OP
stranger
fishbone  Offline OP
stranger
Joined: Oct 2017
Posts: 16
Montreal, Canada
Hi guys. I hope that you are all doing well. Fixing my van seems to be the only thing that keeps my mind off what's going on.

My van is a 1990 Dodge B250 Roadtrek conversion van. I put new tires all around and HD MOOG 7272 springs on the front. The springs gave me 2.5-3" lift in the front, but the back is sagging. I'd like 2-3" of lift in the back. There is less than 50k miles on the original leaf springs. I don't have the typical B250 leaf springs either, they seem to be the B350 6/1 springs 2" 3/4" thick x 2.5". The shackle is the one in Ram4Ever's post/image. (Thanks man, your posts have answered many of my questions) .

B250 Leaf Spring shackle Posthttps://www.vanning.com/threads/ubbthreads.php/topics/399708/leaf-spring-swap-shackle-interchange

My biggest problem is getting help with the options available to me. Most shops tell me "oh, we don't carry anything for those vans" or "too old..."

Can you guys give me some advice on my Rear Lift Options:

3" Lift Block and longer Square U-bolts? Any specific brands to consider?
Add-A-Leaf? Can you recommend an online Dodge B series van shop.
ESPO Springs n' Things and generalspringkc.com said they don't have anything that would help.
Adjustable/longer shackle?
Stiffer springs?

Thanks for your help.

Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758261
March 23rd 2020 4:52 pm
March 23rd 2020 4:52 pm
Joined: Feb 2016
Posts: 792
Portland, OR
Deathorvictory Offline
old hand
Deathorvictory  Offline
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Joined: Feb 2016
Posts: 792
Portland, OR
I’ve done 3” blocks on the rear of a Chevy van, that was a common way that lift kits for trucks addressed the rear suspension (atleast the budget ones) I have 2.5” blocks I need some longer u bolts and shocks (don’t forget that your shocks are affected) before I can put them on my 87 dodge. You can look for then online, they are generally universal but want to find them that match the rear end orientation you have. Some mini trucks use them to lower their rigs because their axles are flipped. I haven’t done it yet but you can always measure your current rear ended u bolt length and find ones longer than that. Auto parts are still open and can help you confirm this stuff too.

Last edited by Deathorvictory; March 23rd 2020 4:57 pm.

1979 Dodge B200 Shorty, 1987 B250 Longy
Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758281
March 24th 2020 2:15 am
March 24th 2020 2:15 am
Joined: Apr 2010
Posts: 2,709
San Diego
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wrcsixeight Offline
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wrcsixeight  Offline
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Joined: Apr 2010
Posts: 2,709
San Diego
I put Firestone Ride rite airbags on my '89 b250 in October of 2007

100PSI can raise the rear end well over 4 inches, I usually keep about 15 passenger side and 25 driver to keep it at same height as front. I also have thickened my front springs to Moog 7272's.

I enjoy the ability to level the van side to side, when street parking, 0psi street side and 100PSI curb side can make sleeping much more comfortable. The adjustability is nice to have. Sometimes I have no tools in back and lower PSI, other times I am loaded with a few hundred extra pounds and add 10 to 15 PSI to keep my headlights on the road in stead of the trees. Handing is much improved too of course. Get blown around by semis much less and roll in turns is much reduced too

I like My KYB Gas A Just shocks, but some think they are too stiff.
Comes down to personal preference, but I hate squishy shocks that have give an isolated from the road feel.

Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758293
March 24th 2020 12:24 pm
March 24th 2020 12:24 pm
Joined: Nov 2013
Posts: 1,383
West Texas
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Wedgy Offline
old hand
Wedgy  Offline
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Joined: Nov 2013
Posts: 1,383
West Texas
yeah My B350 Xplorer is all Azz. I have it set up Zactly the same. Each side plumbed individually. All of the above, but running Bilsteins.

Xplorer put Helwig Overloads on at the Factory. I got tired of smacking the hitch in the gutter every time I pulled out of a driveway.Not any more.
IMO Air bags are the best option for what you are after. Big plus you already did the front. Stink Bug that Puppy right out!


"Who New? Blue"
1990 Chevy G30 454
Church Van, maternity division

"Old Blue"
1988 Dodge B250

"Cabin Cruiser"
'94 Dodge B350 www.xplorermotorhome.com/
Xplorer MH model 230 230 hp MPI 360 LA Wedgy OD auto

Old vans never really die if we chose to let them live
Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758295
March 24th 2020 1:35 pm
March 24th 2020 1:35 pm
Joined: Feb 2016
Posts: 792
Portland, OR
Deathorvictory Offline
old hand
Deathorvictory  Offline
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Joined: Feb 2016
Posts: 792
Portland, OR
if he’s trying to lift the rear 3”, and 100psi is 4”, won’t that be super stiff ride? We have some in our shorty dodge and if it’s filled up a lot, the ride is almost unbearably stiff.


1979 Dodge B200 Shorty, 1987 B250 Longy
Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758302
March 24th 2020 4:34 pm
March 24th 2020 4:34 pm
Joined: Apr 2010
Posts: 2,709
San Diego
W
wrcsixeight Offline
veteran
wrcsixeight  Offline
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Joined: Apr 2010
Posts: 2,709
San Diego
Well he's got a lot more weight than I do with a Roadtrek rv package atop it and does have different leafs too.

100PSI is very uncomfortable for me in the driver's seat, and with less caster the steering feels funny, along with my headlights hitting the road way too close to be effective at speeds above 25mph.

I've had passengers in the back say it is quite bouncy with 15/25psi in the bags, but there were sections of road which would be bouncy no matter what vehicle was traversing them.

i do feel the best/ most comfortable ride and handling is accomplished with the correct leafs for the weight carried.
But when the load is variable, then the leafs will be either too stiff or too saggy to some degree, where as at least the airbags have the option of adjustability.

I've no regrets going with the airbags, and they have been there 12.5 years now. I got 100PSi in them right now for helping to shed rain from gutters with the stinkbug stance, and I've not really been driving much at all with the whole covid19 lockdown thing. I have left them at 100psi for the occassional trip to the store, rather than lowering them to the 15/25psi. I have my Schrader valves are inside with a compressor right next to them, and it is more convenient that other locations, but nowhere near as nice as being able to change psi from drivers seat. i certainly would employ this feature often if I had it but can't be bothered to set up a dashboard controller in order to do so.

If I pump one bag to 100psi then the other, the first bag is now down to ~85psi, but this depends on the parking spot when I am filling the airbags, so getting to 100PSI in two stages will lift the rear well more than 4 inches.

The super stiff rear, when parked, makes it move around less when moving around inside of it, and strong winds do not shake it as much. It is a significantly bigger step to get inside the side doors with them at 100PSI, and I am considering making a step just to save wear and tear on my, and my dog's knees, even at the regular 15/25 psi.

One other factor for me at the time of airbag purchase was inability to actually do a leaf spring swap in the place where I was, but adding the airbags was feasible. I had some pep boys style helper springs which just add some pressure to backside of leafs, but they have a slider plastic bushing which wears out, and they were toast. I needed something and new leaf packs for the weight, and the cost, and requiring a shop to do that work, had the airbags rise to the top, and I've no regrets with them.

I wont say that airbags are superior to the correct leafs for the load carried, only that I like the adjustability factor of them, and use it often, and would miss it if I were without it.

Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758350
March 25th 2020 2:44 pm
March 25th 2020 2:44 pm
Joined: Feb 2016
Posts: 792
Portland, OR
Deathorvictory Offline
old hand
Deathorvictory  Offline
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Joined: Feb 2016
Posts: 792
Portland, OR
I don’t think they are a bad thing, we like them when parked, but my thinking is that if he’s trying to get the rear to be level with the front in a static manner, leafs or blocks will get the lift he needs.


1979 Dodge B200 Shorty, 1987 B250 Longy
Re: Rear Lift options - 1990 Dodge B250 Roadtrek [Re: fishbone] #758396
March 26th 2020 12:18 pm
March 26th 2020 12:18 pm
Joined: Nov 2013
Posts: 1,383
West Texas
W
Wedgy Offline
old hand
Wedgy  Offline
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Joined: Nov 2013
Posts: 1,383
West Texas
Blocks are not going to counteract the compression. Only transfer it directly to the bump stops. Static, sitting still, level, sure. It's when the rubber hits the road fully loaded, maxing out the GVWR which is probably close with the RoadTrek convo anyway. Your experience may vary.

Bags were the best modification I've done to the Cabin Cruiser. So much more enjoyable to drive.
Even with 2500 lb Helwig overloads, compression would overcome the factory leaf only setup. Bam! I got sick of that. Hasn't bottomed out since.
Good Wrenching!


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