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Contemplating Air Suspension & Risks Involved

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1.9K views 22 replies 13 participants last post by  monkeybags  
#1 ·
Alright. We all hear and see how great airbags can be. My questions to the community regarding this kind of suspension is the risks involved and what can be done to avoid yet another nasty horror story, because I've heard a ton of them but no resolutions.

1. What are common mistakes with lines that cause them to blow?
a. I'm heavily considering steel braided lines for the whole damn truck, is that a good idea? I've only seen it done from compressor to tank.
2. Bags Bags Bags. In your opinion what's the most common screw up that causes one to blow and what's necessary in order to keep them in good shape and make them last?
3. If you're going to be driving the truck daily, is bagging it such a good idea?
4. To lay frame or not to lay frame, that is the question.
5. Heaven forbid a bag goes, will 3 bags be able to get the truck to the side of the road at least if the truck lays frame?
6. Drag Blocks instead of Dragging Xmember - Yay or Nay?
7. 3 Link, 4 Link, panhard(sp?) bar, which goes best with shocks?
8. If you could have done something better/different about your setup, what would you have done?
9. How many beers can you consume during the install and still remain sane enough to get it right?

and finally

10. Should I not worry so much about all of it and just go for it?

The installers are good friends of mine, and I am paying them, but I need to decide on whether to do it or not and I figured you guys could help me out.
 
#2 ·
1. rubbing on anything will wear through
2. same thing, rubbing on something. like the spring pocket not being cut enough
3. as long as you dont half-ass the install, bags will be perfectly fine. ive had 2 daily drivers with bags
4. its up to you really, if you want it to lay frame, get a setup that will do it
5. probly
6. thats up to you too, you can drag crossmember, but i would rather drag block instead of the frame, less stressful on the truck
7. depends, do you want to hit sides and shit like that? can you weld?
8. weld on instead of bolt on 4 link

10. YES!! its fun, and you wont be sorry
 
#3 ·
1. Hot stuff, rubbing stuff..etc...already answerd.
a. Steel is expensive..but if you can afford it, i'd say go for it..a couple people on the forum have full steel braided setups.
2. Firestone is of course most common, then air lift and a few others. If larry, matt or jason sell them..you should be safe
3. There's lots of DD's on bags on here.
4. "if sparks dont fly you're too high" :)
5. generally yes. seen a few people on here who have lost a bag on a truck that lays out..and made it to the side of the road.
6. not very opinionated on that..however titanium drag blocks made sweet spaks.
7. this questions has been picked apart and asked a zillion times..so im not gonna jump in, except from what i've heard around 4 link is the best for a dd..im not saying it is..i've just heard that.
8. mines not bagged yet...but i wish i woulda started saving sooner :)
9. i think that depends on the person..

and finally

10. Just drag it!
 
#4 ·
1. what they said. i had a gague line that was too close to the header and it melted
1a.yea its expensive if you run the regular stuff good and don't let it rub you'll be fine. if your still worried. just wrap the air line in another hose. it will save you lots of money.
2. i just had to replace one cause it rubbed on the spring pocket.
3. mines a dd
4. mine is so close its not even funny. like 1/4 inch. i say go for it.
5. yea sure. its happened to me twice.i could turn a little and it even got on a flat bed tow truck.
6. ??????????
7. i just did a 4 link from larry and i love it. just run shock from the axel to a bridge.
8. cut the f-ing spring pocket more
9. not too many

10. hell yea you'll hate your self for starting it while you are working on it. but when your done you'll love it.-
 
#6 ·
1. The most common causes of blown lines are that they are routed to close to a heat source, or they run through/along a rough surface that cuts a hole in the line.
1a. Running braided stainless steel lines through the whole truck is a great idea, and would work very well. The reason it is not done usually is that it is very cost prohibitive.
2. Blown bags are typically the result of a poor install. Poorly made brackets, not trimming the spring pocket enough, and rubbing on something are the most common causes of failure. These can all be traced back to the install job. Very few bags actually blow due to manufacturing defects.
3. I drive my bagged Blazer every single day at least 100 miles, through some of the worst roads in Michigan. I currently have 19,000 miles on my front bags and 7,000 miles on my rear bags.
4. Laying frame is cool, but I don't see it as a requirement. For a daily driver I would install a set of bumpstops that prevent the truck from laying frame incase something unexpected happens. Then when you go to a show you can pull the bumpstops out and drag till your hearts content.
5. If you have the bags plumbed independently of each other, the answer is typically yes. But it depends alot on the amount of lift you get, and if you can drive with the truck all the way down or not. This is where bumpstops for daily drivers really help.
6. I say drag blocks as far back on your truck as you can put them. You don't want those hot sparks landing on something important (airline, gas line, etc) and burning through. I've seen 2 trucks that have been burned to the ground because they were using titanium drag blocks in the front of their vehicles, and the hot sparks burned through the metal gas line and caught the truck on fire. The downside of dragging crossmember is having to repair it when you've drag away too much of it.
7. EVERY suspension should have shocks. Without shocks you don't have a suspension. People can get away with having no shocks in the front of trucks due to the weight of the motor...but in the raear this is a huge no-no...The rear of your truck doesn't weigh enough, and will bounce and hop all over the road. My buddy tried to drive his S-10 with no rear shocks and had to end up putting a couple milkcrates filled with bricks in the bed just so that he could drive without bouncing off the road.
8. I would have bagged it from the start instead of rocking a 5/7 drop for 2 years...Once you go low, you always want to be lower.
9. I save the beers for when the work is through...Alcohol and fabrication do not mix...However it is nice to sit back with a beer in your hand at the end of the day and stare at what you've created.
10. Being worried is natural. You venturing into territory that you've never explored before. You just have to be prepared, and know that things don't always go right. It also is a good idea to understand how ever part of your setup works. That way if you have a problem, you can fix it yourself. You never know when something crazy might happen.
 
#7 ·
laynframe said:
where in sac are ya???
Right next door to you, Rancho Cordova. I used to live in Willow Springs (Folsom off of Iron Point) but moved back to Rancho after about a year out there. I had an apartment and not having a garage was killin' me.

------------------------

Okay so steel braided line is expensive, I guess it's so expensive that I can't find anyone who deals it. Anyone have any idea where to get it, or is it just something you pick up at the hardware store?

Cost really isn't an issue for me when it comes to this because the more I have to save isn't going to matter with me as long as I'll be more comfortable with the setup in the long run.
 
#10 ·
right on! i work in rancho. if you cruise "the strip" a lot i might meet up with you. i whouldnt be worried about baggin your truck. if you have any doubts about doin it then dont do it. its not for the faint of heart. besides thats what friends with cell phones are for :D

late,
richard
 
#11 ·
AlpineFX: Just say when, clean setup too :thumbup:

laynframe: The strip! I'm assuming Sunrise unless you know some place better. Yeah I'm out there at least every other weekend doin' something or other. Shit if you work in the prospect park area you've probably seen my truck sitting out at the EDS buildings. Hit me on AIM or PM here when you know you'll be cruisin', the more bagged dimes I see the better I'll feel about doing it myself.
 
#12 ·
airline

I have all stainless steel braided teflon core airline for everything.
I make them at work and got a good discount but it is not cheap.
the hose isn't expensive but the fittings and adapters add up quickly. I used to blow lines and ptc fittings would leak and got fed up with it and went all stainless. looks good, doesn't ever leak. If you run the plastic line correctly you will not have problems. unless your dragging and a hunk of metal hits the airline, won't even touch the stainless. I drive my truck every single day (30 miles both ways) and drag every day. BTW it is also laying rocker. As far as letting your friends intall your bags, look at their truck. If it doesn't look safe, it probably isn't. Ask them how many bags they have blown. After two years of having bags and laying frame i have NEVER blown a bag.
Installing airbags on a vehicle is nothing to half ass. Do some research into suspension first. An airbag is just an adjustable spring, its not a magical way to put a vehicle on the ground, the suspension has to be able to work an inch off the ground or a foot off the ground or you might as well not even do it because you will be unhappy with it.
later
 

Attachments

#13 ·
Re: airline

Awesome, thanks for the info. Where'd you get all the fittings and line from though (Your work obviously but who deals that kind of equipment commonly)?

And my friends' trucks are just fine, they had me silently convinced to do it until I jumped on a couple of forums to learn more and read a slough of horror stories, which now I'm seeking to cover all corners (no pun intended) and do this the absolute right way the first time.
 
#16 ·
I had some of the same worries as you, and I said F*ck it and bagged my truck, as soon as I bagged it I took 2nd at my first show and I drive mine everyday In philly!!!!! Some of the worse roads you will ever see. As long as you keep your lines away from heat you will be good. I love my bags and don't regret my decision.
 
#17 ·
laynframe said:
yea sunrise. prospect park area, maybe? bodycraft right off of trade center and sunrise. right behind showgirls :evilg: ill try to come out this weekend provided i get my truck running :thumbdown

late,
richard
I work down and around the corner from you (white rock). Let me know if you're gonna make it out here and I'll go clown some kids in stock heights' with ya'.

Some guy called my truck weak last weekend because it wasn't bagged, so I think you guys got me convinced that it's just the thing to do.

I need a place to buy the braided hose & fittings though!
 
#18 ·
Imperialc00 said:
I work down and around the corner from you (white rock). Let me know if you're gonna make it out here and I'll go clown some kids in stock heights' with ya'.

Some guy called my truck weak last weekend because it wasn't bagged, so I think you guys got me convinced that it's just the thing to do.

I need a place to buy the braided hose & fittings though!
The place I get my braided line from has a store in you area. send me a pm, and I will get back to you monday with a phone number of the store in your area.
 
#20 ·
stainless

All my airline is 8- and 10- Aeroquip teflon. The fittings are reusable type not the crimp type. They screw together instead of crimping on. I like the reusable because the fitting is not wasted and you can always get more hose if it messed up on ya. but it won't trust me. I'm sure there is a Aeroquip or Parker dealer close to you. Either one make good products. Parker has a new type of stainless steel hardline tubing that has a protective cover over the hardline. It can handle over 400 degrees, about a 1000 PSI and bends very easily without collapsing. Best of all it uses PTC fittings and only cost about 1.50$ a ft. My hose cost about 6.00$ a ft. regularly. Just something to consider.
later

P.S. Bags are the s@@t.!!!
 
#22 ·
Re: stainless

monkeybags said:
Parker has a new type of stainless steel hardline tubing that has a protective cover over the hardline. It can handle over 400 degrees, about a 1000 PSI and bends very easily without collapsing. Best of all it uses PTC fittings and only cost about 1.50$ a ft.
What size does it come in? Do you know?