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Discussion Starter · #1 ·
1. In a Cylinder, what is the Stroke size? Is it the Max Length of the cylinder when Max PSI is entered into it?

2. if you hold in the "inflate" button up to long or the Valve gets stuck Open... what will happen to all the air being shoved into the cylinder?
Or is the Max psi going into the cylinder determined by the Max psi of the compressor?

3. If so, I would want to match the max psi's of the Cylinders and the compressor, because if i go with a higher compressor psi, it will blowup the cylinder... right?

4. so when they say Max 145 psi in a cylinder, and you put 145 psi IN TO the cylinder, the cylinder is Fully extended to max height, correct?

5. If you have a Max 145 psi Cylinder and have a Max 100psi Compressor, you will never get your Cylinders to fully extend, correct?

6. And when you have a Max 145psi Cylinder and a Max 200psi Compressor... if the switch is held to long or valve gets stuck, the Cylinder WILL blow out, correct?

7. when there is 0 psi in the cylinder you are at the lowest the car will go, but because these are metal and not "bags" we do not have to worry about creasing and puncturing a bag, once the cylinder is completly out of air, thats it, and you dont have to worry about it fucking up. is that right?

8. After installing the new air suspension, do you go have the car realigned right away? or no?


Sorry for all the noob questions all, this is pretty much the only thing i dont understand in the systems yet.
Thanks all!
 

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Discussion Starter · #3 ·
thanks for all the info!

Question about #7...
When you say "bottoming it out"... your reffering to as low as the cylinder will possibly go... but what about the safty factor?
i.e. we do not have to worry about creasing and puncturing a bag, once the cylinder is completly out of air, thats it, you dont have to worry about it fucking up by bending/denting of screwing up a seal. is that right?
 

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Discussion Starter · #5 ·
yes i know, i'm reffering to when slamming it to the ground while parked...
i heard that if you slam it all the way down with an Airstrut, you risk creasing or puncturing or breaking the seal of the bag....

Is anything like that possiable with a Cylinder? I don't see how seals could be broken on the cylinder... but thats why i'm asking.

Thanks for the info!
 

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Discussion Starter · #7 ·
I've got people talking shit about both sides Cylinders and AirStruts.

Can someone tell me WHICH ONE'S ARE BETTER to go with?
Cylinders or AirStruts? and why?

I have a place that sells just AirStruts that says "i dont sell Cylinders, Cylinders are crap!" and another place that dosent sell AirStruts, because he says they are crap. Neither of them give me REASONS why they are "crap"

So I dont know.
 

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Discussion Starter · #11 ·
here, i got an e-mail back from the guy who said "cylinders are crap".
Air cylinders were never designed to do what people do with them.  They have a bunch of internal seals that everytime they bottom out and top out, they are damaged more and more.  They only ride good at a certain height, all the way up or down ride like poo.  Most of the cylinders on the market now are cheaply made parts from overseas that don’t even have rebuild kits available. So when I cylinder starts leaking at the seals....you have to get a new cylinder.  Which is a pain because if you don’t get the same exact ones you might have to modify your brackets etc.  employee that works here ddint listen to me and got cylinders.  2 weeks later two of his cylinders were leaking.  Nothing he could do but buy more. 

Air struts bolt right in w/o brackety and have valves on them to adjust flow.  They ride good at all heights. And yes, it might blow the bag, but at least that is a warranty....and you don’t have to purchase a new one.

Ps.  I use to work for parker hannfin so I know a lot about all things pnematic and hydraulic. 
what do you all think of this?
 

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Discussion Starter · #13 ·
Originally posted by 216RIDER@Sep 14 2005, 07:18 PM~3816080
that email closely resembles my feelings on this subject.  I disagree with the internal seals being destroyed by using the full extension though, the bore is the same from top to bottom...
what do you have your Airstruts on? How long have you had them and any problems with them? What brand did you get? How high/low can you go with them?

Thanks!
 

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Discussion Starter · #15 ·
Originally posted by 216RIDER@Sep 14 2005, 07:46 PM~3816238
Never owned anything with air except standard bags.  Im just looking at the technicalities and the engineering aspects of both.
so, why would you personaly think that the Struts are better then the Cylinders then?
 

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Discussion Starter · #17 ·
understood, but what about all the problems that can arise with the AirStruts? Being that they are rubber bags...

Question: I can only lower the car about 4", then my skirts smack into the ground. I know that with Cylinders, you can add spacers between the brackets and the Cylinder to raise the Stopping point at 0psi... how can I do this with AirStruts seeing as though they are all 1 piece, that all bolts into position?
 

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Discussion Starter · #19 ·
true about the rubber...

not sure where i would be able to put the bump stops, i've e-mailed 4 places that sell the airstruts that same question, waiting for a responce from them all.

$$$ wise i've found kit's for all 4 wheels and bracketry:

Cylinders (regular shop parts) $489.95
Cylinders (SMC parts) $937
AirStruts $879.99
 

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Discussion Starter · #21 ·
Originally posted by miguel6632@Sep 16 2005, 12:16 AM~3826079
where u located,im in ft worth tx ill take you for a spin, trust me my ride its not bad unless im locked up or slammed , also if you lube your cylinders the seals will last a long time, mine have never leaked, also if your go up and down wont damage the seals and they do sell the rebuild kits for most of the cheap ones, plus with cyilinders you can dogleg(3 wheel but with one rear tire in the air) they can also give you more lift,  but im happy with mine
i'm up in IL... so that ideas shot to hell lol
how long have you been on your Cylinders? and where did you get them again?
Thanks man!
 

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Discussion Starter · #24 ·
Originally posted by snko916@Sep 16 2005, 03:16 PM~3829047
You have a Teg i suppose?
you suppose correctly...
'97 Teg.

How long have you had your Cylinders?
And where did you add the spacers? I need to raise mine so that at 0psi (fully slammed) i'm only 3.5" lower then stock, otherwise all of my body components will scrape. :0

And I assume you do not have an Accumulator onstalled to cusion the ride more? :cool:

Thanks for the info, i really appreciate it!
 

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Discussion Starter · #26 ·
gotcha... well i think i have my shopping list ready to go now... the only thing i need to figure out is the Brand of Cylinders to go with. There are so many places out there I dont know which to go with... and i'm not down with eBay, so their out of the question :biggrin:


Sugguestions?
 

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Discussion Starter · #28 ·
Originally posted by snko916@Sep 18 2005, 12:29 AM~3835855
My cord barely touches the floor, its almost laying on it.
I had them since....jan 2004

I used brake bumpers from .....pepboys..?
They went directly onto the rods of the air cyclinder.

The rear is bottomed out.

right on the rods? perfect... what are the "brake bumpers"? I assume like a large hard rubber gasket that you drilled though?

Thanks man!
 
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