new springs or air bags?????

Submitted: Wednesday, Apr 26, 2006 at 09:50
ThreadID: 33252 Views:2799 Replies:4 FollowUps:6
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Hi all
i have an old 60 set up for camping full time.
i have had spring issues since i got it, originals were shot and put "ultimate suspension" under it and even though had supplied head office with all vehical weights found they were far too light and also had one fail.
put cheap mallee bull under rear 2 years ago and have done pretty well but hav sagged a bit after some punnishment, so am wondering if to put new springs under rear or as they are still not too bad am i better to add air bags?
i have recently added new OME springs to the front and even though only done a few km so far i am quite happy with them.
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Reply By: Wizard1 - Wednesday, Apr 26, 2006 at 09:57

Wednesday, Apr 26, 2006 at 09:57
I would get your springs replaced and get a set of PolyAirs/air bags fitted at the same time. If your springs are stuffed Poly Airs will not help.
AnswerID: 169036

Follow Up By: DINGO - Wednesday, Apr 26, 2006 at 11:15

Wednesday, Apr 26, 2006 at 11:15
Hi wizard1
my rear springs are not in too bad of shape and i actually do have poly air under there now but dont seem to get much from them, was thinking of putting the black more robust firestones type under as they seem like they would do a beeter job especially as i think they can take up to 100psi?
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Follow Up By: GazzaS (VIC) - Wednesday, Apr 26, 2006 at 20:16

Wednesday, Apr 26, 2006 at 20:16
Dingo

I think you might be mixing things up a bit. The black Polyairs are airbag suspension - replacements for springs. the polyairs or firestone coilrites are coil "assist" devices in that they work with the coils not replacing them. You should not be looking to get a better ride or suspension out of them but rather to lift the back end when loaded. Indeed there is some thought that having them can limit articulation in the suspension by not allowing a spring to fully compress when the wheel goes over a large bump.

having said all of that I have used the coilrites and think they are great. Split one up near Weipa and could not convince the airbag man it was a design fault and will have to replace eventually. For next vehicle though I will be getting HD springs first and airbags second.
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Follow Up By: Member - G N (VIC) - Wednesday, Apr 26, 2006 at 20:35

Wednesday, Apr 26, 2006 at 20:35
thank Gazza
you might be right about the firestone product replacing the suspension, but i recon i saw a 79 seris with these and still springs on rear! will have to check up.
i kind of recon i should do the springs, perhaps do the springs and just stick with the poly air as well will do?
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FollowupID: 424521

Reply By: Member - Jeff M (WA) - Wednesday, Apr 26, 2006 at 11:30

Wednesday, Apr 26, 2006 at 11:30
I would deffinatally go the air bags, and it will slow down the shagging of the rear springs substantially as well.
AnswerID: 169052

Follow Up By: DINGO - Wednesday, Apr 26, 2006 at 11:49

Wednesday, Apr 26, 2006 at 11:49
Thanks for the input Jeff
i kind of agree, think i might post a question about what experiences people have had with poly air against firestone airbag man?
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Follow Up By: Member - Jeff M (WA) - Wednesday, Apr 26, 2006 at 14:08

Wednesday, Apr 26, 2006 at 14:08
Also check out www.trucksprings.com as I and others on this forum have bought the firestones from them and got them delivered to oz for less than half the price to buy locally.
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FollowupID: 424420

Reply By: Travelling Pixie - Wednesday, Apr 26, 2006 at 12:59

Wednesday, Apr 26, 2006 at 12:59
I have a 60-series that my father bought new.

he put OME springs & shockies on back in 1986 and has towed caravans and boats quite a bit since

after 180,000k's the whole setup is still firm and without sag. It also has a slight lift (~50mm) and the only thing I have had to put in is some anti-inversion shackles.

AnswerID: 169063

Follow Up By: DINGO - Wednesday, Apr 26, 2006 at 13:10

Wednesday, Apr 26, 2006 at 13:10
thanks for that
they would be the aussie built version, now all chineese but to OME specs so hope still good as your experience.
what sort of weight has the vehical been carrying?
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FollowupID: 424403

Reply By: DamoHJ61 - Wednesday, Apr 26, 2006 at 22:27

Wednesday, Apr 26, 2006 at 22:27
Hi Dingo, I replaced front & rear springs prior to a trip around Oz, it was a 2" lift all 'round and a bit of customising to correct a l/h/r sag.
I found them a little soft carrying loads & it would bottom out off road, particularly over long undulations.
I took them back to the supplier & had them reset and an additional leaf added, very happy with the results, much more controlled driving, handles loads much better and not too hard a ride.
I have seen some leaf spring set ups with a coil spring used as a helper, the coil was mounted over the bump stop up to a bracket mounted on the chassis, the guy swore by it, said it was the best thing recommended to him. His vehicle was always loaded.
Hope this helps.
AnswerID: 169211

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