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#1 |
Registered User
Join Date: Jul 2002
Location: Tennessee, Morristown
Posts: 355
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I am trying to piece a kit together so tell if this sounds good if not tell me what I should change!
4-2600 Firestone Bags 1/2 single port 3-5 gallon tanks 2- 400 compressors 8-1/2 valves why do i need 8 valves only thought I needed4 Why? 1/2 air line- how many feet do I need? don't know about gauges-any suggestions? Thanks for any input... DeWayne |
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#2 |
Registered User
Join Date: Sep 2000
Location: huntington,texas,united states
Posts: 399
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on the valves you need 8 if your going with 2 way valves. 2 per corner 1 being for exhaust and 1 for intake. you only need 4 if you go with 3 way valves which lets you get both intake and exhaust in one valve.
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1972 chevy long bed. Currently under construction!! Bagged, 383/700r4. |
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#3 | |
Registered User
Join Date: May 2002
Location: Huntington Beach CA
Posts: 678
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Re: Firestone Air Bag's!!!
Quote:
why not just get one 12 gallon tank? airlift sells a nice 8 1/2" port 12 gallon tank for like $80. beats buying three 5 gallons for $50 or so. unless you plan on running the tanks under the bed, might be hard to fit a 12 gallon. as for the valves, you need one valve at each corner for lift and for dump. there are certain valves that control the lift AND the dump but they also cost twice as much so its not any cheaper. you can also just run a front/back system, a lift and dump valve up front then have the bags T'ed together, same for the back. however this leaves you with air transfer between bags when you take turns, other words your handling will suffer. |
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#4 | |
Seņor Member
Join Date: May 2002
Location: Edge of the world
Posts: 5,367
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Re: Re: Firestone Air Bag's!!!
Quote:
Kenneth
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#5 |
L.E.D. Freak
Join Date: Jan 2002
Location: Polson MT
Posts: 1,358
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Ok I'm running only rear bags, and close to 10 gals, I have one compressor. 10 gals is anough for 4 bags but fill time is to long need at least two more compressors or a engine driven.
Next you don't need 8 1/2" valves but 4 1/2" fill valves and 4 3/8" dump valves. You'll find that with 3/8" dump valves dumping air is plenty quick, but you'll need 1/2 fill valves for the front for sure. My problem I see in my future is getting the front and the rear to lift at the same speed. Don't limit your self on bag port size. I bought 3/8 port rear bags and I will be selling them soon and going with 1/2" 3/8" rear bags are plenty for the guy who just wants to tow, and play a little. My main ***** is fill times. Far to long a wait. with one compressor with 10 gals Also you'll run into frame drilling problems. You need wood blocks, and floor jacks it would be easier I think to remove the trailing arms and the rear axle. Drilling becomes a problem with the trailing arms and rear axle in the way. If I was to do it over again I'd remove the trailing arms and the axle. Another thing to consider you need Early Classics long pan hard bar conversion. This will decrease the arc and side to side movement in the axle. Also I'd go with bags that lift higher. For sure if you C-notch
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Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL |
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#6 | ||
Seņor Member
Join Date: May 2002
Location: Edge of the world
Posts: 5,367
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Quote:
Quote:
Kenneth
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#7 |
Progress = 0%
Join Date: Nov 2001
Location: Kansas City, MO
Posts: 2,108
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XXL: Don't you have the Air Ride kit? They use brackets for the rear bags, right? If so, I bet the air line comes out in the space between the top of the bag and the bottom of the frame, right? Well, if you mount the bag without brackets (in the coil spring location) then you have to drill mounting holes and and a 3/4" hole (for the air fitting) through the frame. Make sense? Therefore, it's kind of a ***** to drill a 3/4" hole though all that metal (plus a 1/4" c-notch in my case).
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Jason - '67 GMC swb | '57 Bel-Air 4dr hardtop | '56 210 4dr Wagon | 2000 GMC Sierra |
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#8 | |
Seņor Member
Join Date: May 2002
Location: Edge of the world
Posts: 5,367
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Quote:
Thanks for the clarification, Kenneth
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#9 |
L.E.D. Freak
Join Date: Jan 2002
Location: Polson MT
Posts: 1,358
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With them brackets how much is the total spacing? In the bracket alone?
XXL you have Air Ride front brackets? Hows the bag alinement? Also if you C-notch mounting the rear bags in stock spring location is optimal you'll acheive full travel from your bags. Without C-notch I spaced on the under side of the rear bags 1" to acheive full use of the bag travel.
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Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL |
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#10 | |
Seņor Member
Join Date: May 2002
Location: Edge of the world
Posts: 5,367
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Quote:
![]() The front brackets are also Air Ride and I've never really spent any time looking at the bag alignment. I know there's a lot of talk about this topic but I see it a different way... that is, when you're driving down the road, the front suspension is in an arc travel pretty much all the time as you hit bumps and even tiny dips in the road... so the bag is never "aligned." Kenneth
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#11 |
L.E.D. Freak
Join Date: Jan 2002
Location: Polson MT
Posts: 1,358
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Good point.
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Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL |
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#12 |
Registered User
Join Date: Jul 2002
Location: Tennessee, Morristown
Posts: 355
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any other suggestion's on a good bag kit?Thanks
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1967 Chevy truck, R1 racing seats, 4 point racing harness, 4/6 drop, primered blue, soon to be shaved, 350- 060. over, flat top pistons, Eagle rods, Edelbrock Aluminum heads, 1.5 Scorpion roller rockers, Lunati 515" cam, mallory ignition, Holley 750 double pumper carb, Built 350 turbo trans, 2500-2800 boss hog stall, 20 gallon aluminum fuel cell!!! |
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#13 |
L.E.D. Freak
Join Date: Jan 2002
Location: Polson MT
Posts: 1,358
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You don't need brackets for the rear. And the front I'd say go with NSANE68 s brackets they look well built.
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Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL |
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#14 | |
Registered User
Join Date: May 2002
Location: Huntington Beach CA
Posts: 678
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Quote:
if the bag is "aligned" at your average compression point, which would be the average bump in the road or as you say it the average lowest point on the arc of travel. then as the bag extends upwards on the rebound from the bump in the road its going to reach the top of the arc, and be way more misaligned than if it was aligned at the middle of the arc, which is ride height |
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