Polyairs give 4" lift

Submitted: Saturday, May 29, 2004 at 22:44
ThreadID: 13287 Views:1593 Replies:4 FollowUps:10
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I looked at Coil Rites, OEM Landrover bellows, and Poyairs. Based on convenience and cost I went with the Polyairs- $490 fitted.
With 5 PSI they give no lift, but with 25 PSI there is about a 4" lift on the unladen vehicle. With about 15 PSI there is a 2" lift and the suspension feels firmer. I have yet to load up the vehicle with the Polyairs installed, but you can see from the photo attached to this that the car was way down with the heavy trailer attached to it. Mind you, the trailer is carrying 21 jerries of fuel, two by 25 L of water, plus other gear, so there is a fair downward force on the Treg hitch.
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Reply By: Truckster (Vic) - Saturday, May 29, 2004 at 22:51

Saturday, May 29, 2004 at 22:51
23 Jerries??
Your fuel economy is that bad? WOW..
around 450kg in liquids!
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Follow Up By: Member - JohnR (Vic) - Saturday, May 29, 2004 at 22:59

Saturday, May 29, 2004 at 22:59
have to drive between the oilwells Truckster 'tis a Landy and the original petrols aren't known for economy. Liked my old RR but the 3.5 was thirsty, the newer ones have bigger pots for more drinking don't they?
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Follow Up By: Member - Bob - Sunday, May 30, 2004 at 18:20

Sunday, May 30, 2004 at 18:20
My car is a diesel. It was all petrol. I had to carry the fuel for two 'cruisers and a pathfinder. Two of them didn't want to run Avgas in new cars, and the other wanted to dilute the Avgas with ULP.
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Follow Up By: Member - JohnR (Vic) - Sunday, May 30, 2004 at 20:51

Sunday, May 30, 2004 at 20:51
Bob, I hope you charged them the appropriate pump price at fill ups. Not many convoys take a fuel tanker with them. Good on you Bob........
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Follow Up By: Baz (NSW) - Sunday, May 30, 2004 at 21:50

Sunday, May 30, 2004 at 21:50
Hey Bob, which Polyairs are they, mine don't give a lift.

Oh John, Heather did'nt catch you with your pants down in this photo, you cheeky bugger !!!!

Baz.
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Follow Up By: Member - JohnR (Vic) - Sunday, May 30, 2004 at 22:16

Sunday, May 30, 2004 at 22:16
Baz, of course you must be arse heavy and that is why the Polyairs don't lift you. Do all Exploders expect Flop Bot?

They struggle to lift the back of the Nissan with so much there too......... For a while there was a small cut in the tube to the left bag which let the passenger side hang low. Thought it was my light weight the drivers side being up. LOL It would drop the pressure over a few days by about 10psi.
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Follow Up By: Member - Bob - Monday, May 31, 2004 at 20:06

Monday, May 31, 2004 at 20:06
Baz,
the units I fitted are:
92096 Special Kit
313.65
$345.00
they are all listed at www.polyair.com.au slash product list
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Reply By: Pauly - Sunday, May 30, 2004 at 17:38

Sunday, May 30, 2004 at 17:38
Thanks Bob i was waiting for some figures in height for the polyairs.

cheers paul
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Reply By: Member - Rohan K - Monday, May 31, 2004 at 09:53

Monday, May 31, 2004 at 09:53
Bob, I guess it depends on what size PolyAirs are fitted to what springs. My PolyAirs only give about a 2" at 26 psi unladden. That then becomes a zero lift when ladden and with the trailer hooked up - just as it was intended.

Does yours now revert to the std ride height when you load her up, or does the rear still sit higher, given you start with a 4" lift?
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Follow Up By: Member - Bob - Monday, May 31, 2004 at 20:09

Monday, May 31, 2004 at 20:09
Rohan,
I haven't loaded it up yet with the Polyairs fitted but I expect with a full load it will drop down to a 2" lift with 25 PSI. I am using the units designed to be used in vehicles with a 2" lift.
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Follow Up By: John from River City 4WD Club Inc. - Tuesday, Jun 01, 2004 at 16:51

Tuesday, Jun 01, 2004 at 16:51
These ones designed for a 2" lift you mention, have they just a 2" spacer block which gets fitted at the top between the bag and the top spring mount. That's all my GQ was fitted with. Looks like the bags are just the standard height ones. Is this what they do with all of them? Certainly no complaints about them, but just curious.
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Follow Up By: Member - Bob - Thursday, Jun 03, 2004 at 12:22

Thursday, Jun 03, 2004 at 12:22
John,
I don't know. Just looking at them without the other size for comparison its a bit hard to tell.
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Reply By: itldoo - Friday, Jun 18, 2004 at 00:33

Friday, Jun 18, 2004 at 00:33
Polyairs do not give you the lift, they assist the suspension with the weight factor in the rear end. Only way to get larger lift is to replace the suspension. Polyair will stipulate they do not lift the vehicle.The product saves suspension wear.
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Follow Up By: Member - Bob - Friday, Jun 18, 2004 at 10:12

Friday, Jun 18, 2004 at 10:12
Call it what you will, when I inflate the polyairs the vehicle goes up. In the unladen vehicle the rear is 4" higher with the polyairs installed and inflated. I suspect this is because I have installed the polyairs designed for the vehicle that alreadty has the 2" lift. Regardless of what polyair stipulates, the vehicle does get a substantial lift. I can send photos if you like.
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