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Air pressure

Yahoo Message Number: 3962
For anyone who might be interested, I saw a small unit on a Newel that they called an air doubler, which takes your air pressure from 120 to 240#. It is made in Japan and it is only about 5" long and 2" wide and it ties to the end of your air connection, before the quick couple. the Newel people could not tell me where to get it but they use it on every coach to help with airing up tires. If anyone knows anyone at Newel, I would like to know where to get this item.

Bill G. 2001 Magna #5998

Air pressure

Reply #1 –
Yahoo Message Number: 30123
Hvae just taken delivery of a 08 Magna LE. The tire placard said to run 130PSI cold in front tires. Two questions. Does that sound right? and where do you find that much pressure/ Usually 120 to 125 is all you can find a a truck stop. Thanks

Joe Regenstein 2008 Megna LE 6851

Re: Air pressure

Reply #2 –
Yahoo Message Number: 30132
The placard is correct. We have a 07 Magna 6751. We found after weighing the Coach that 125# in the front was fine and 105# in the rear and tag. Good luck I know you'll be very happy.
John Bennett

jbennett2@...

Re: Air pressure

Reply #3 –
Yahoo Message Number: 30137
Which tires do you have up front? Affinities have 315's, I imagine Magna's also. Pressure sounds to high, but weigh your coach. How do you like the all disc brakes?
TWI 2004 Intrigue 11731

Re: Air pressure

Reply #4 –
Yahoo Message Number: 30140
Check the sidewalls of the tires. The maximum pressure the tires will take will be listed there, along with the weight it will carry at that inflation. If you have significantly less than that weight on the axel, you can reduce the pressure a bit. The tire manufacturer may have a chart which shows pressure vrs weight. Or you could run the suggested pressure anyway.

How to get it is a mystery to me. I carry a small 150 psi tank compressor which struggles to get even the 120 pounds my front tires need. Perhaps a compressed gas system? Nitrogen seems to be popular in tires, but I don't know where you would get a nitrogen tank filled. CO2 should be fairly easy to recharge and has been used in bicycle tires for a quite a while, but don't know how it would work in these big tires.

Have you tried contacting the tire manufacturer to see if they have any tips on inflating the tires to that pressure?

John 04 Inspire 51078

Quote from: Joe

> Hvae just taken delivery of a 08 Magna LE. The tire placard said to

run

Quote
130PSI cold in front tires. Two questions. Does that sound right?

and

Quote
where do you find that much pressure/ Usually 120 to 125 is all

you

Re: Air pressure

Reply #5 –
Yahoo Message Number: 30156
I will have to check the documentation when I get it. It is still being put togeather. I have a sears compressor I carring, and I hope it will do the Job. I had been looking at nitrogen as I spend alot of time in the mountains of Colorado. Now just trying to leave dealer and start driving rig.

Joe Regenstein 2008 Magna LE 6851

Quote from: seven_siamese_cats
>

Check the sidewalls of the tires. The maximum pressure the tires > will take will be listed there, along with the weight it will carry > at that inflation. If you have significantly less than that weight > on the axel, you can reduce the pressure a bit. The tire > manufacturer may have a chart which shows pressure vrs weight. Or > you could run the suggested pressure anyway.

How to get it is a mystery to me. I carry a small 150 psi tank > compressor which struggles to get even the 120 pounds my front

tires

Quote
need. Perhaps a compressed gas system? Nitrogen seems to be

popular

Re: Air pressure

Reply #6 –
Yahoo Message Number: 30159
Don't forget to check your wheels as well. They have a max pressure rating also. You can have tires that are rated at 135psi mounted on wheels rated for 120psi max. Be aware for your own safety!

Jim Hughes

2000 Allure #30511

Quote from: seven_siamese_cats
 

Re: Air pressure

Reply #7 –
Yahoo Message Number: 30164
Joe,

We have a 2000 Magna that weighs 12,720 pounds on the front axle and there is only 20 pounds difference side to side. We have 315/80R22.5 Goodyear G670 tires.

Per the Goodyear Load/Inflation chart, we carry 95psi to 100psi air pressure, which gives us 13,880 pounds of load carrying capacity to 14,380 pounds. I don't think you need to run 130psi, but that is just an old engineer's opinion. We've run these tires for a year, about 7,000 miles.

You need to weigh the coach first.

Brad Ward

2000 Magna 5916