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| Re: [GMCnet] Required air pressure for quad bag rear suspension [message #328898 is a reply to message #328897] |
Tue, 06 February 2018 20:24   |
Mike Kelley
Messages: 467
Registered: February 2017
Karma: -2
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Senior Member |
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Jim H.:
You are probably rite - I should have thought of that!
Mike/The Corvair a holic
Sent from my iPhone
> On Feb 6, 2018, at 8:10 PM, James Hupy wrote:
>
> Ramp brackets, I'll bet.
> Jim Hupy
>
>> On Feb 6, 2018 5:37 PM, "Mike Kelley" wrote:
>>
>> Hey Bob D.:
>> Why do you "have" to run w/ rear 2" higher? Just curious!
>> Mike/The Corvair a holic
>> And don't tell me - so Linda's chair does not roll backward!
>>
>> Sent from my iPhone
>>
>>> On Feb 6, 2018, at 6:30 PM, Bob Dunahugh wrote:
>>>
>>> Travel hold is to allow the compressor to replace air lose while
>> driving. I haven't turned my bags on to add air in them for over a year.
>> Plus I have to run with my back suspension about two inches higher then GM
>> called for. Don't have a choice on that. Bob Dunahugh
>>>
>>>
>>> ________________________________
>>> From: Bob Dunahugh
>>> Sent: Tuesday, February 6, 2018 11:42 AM
>>> To: gmclist@list.gmcnet.org
>>> Subject: RE: Required air pressure for quad bag rear suspension
>>>
>>>
>>> I've always traveled with the stock bags turned off at the bags. For
>> the quad bag system now. I turn the supply line off from the compressor.
>> The only time I've ever turned any bags on is when parking for the night.
>> There's no reason to have the compressor line on. The burned GMC bags
>> stayed up for the 19 months that it was being taken apart. Bob Dunahugh
>> 78 Royale
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| Re: [GMCnet] Required air pressure for quad bag rear suspension [message #328907 is a reply to message #328904] |
Tue, 06 February 2018 23:08 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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We copied and implemented the external ball valve assembly in our Quadra
bag from the late Lee Harrison's 4 Bagger unit.
If you use it, it will hold the air in the bags. Now if your not
maintaining the system and letting it leake from the bags to the manifoild,
then thats your choice.
That is the main reason I implemented the 6 Ball valves on the Quadra Bag
System. If you do not take advantage of the feature, then your missing out.
We also use the all brass DOT approved air fitting to avoid leaks. (DOT is
Department Of Transportation, used on all the big rigs that haul loads
across our country.)
On Tue, Feb 6, 2018 at 8:28 PM, Bob Dunahugh wrote:
>
> Sorry Mike. Jim gets the banana. The handicap wheelchair ramp support
> hangs down 5 and a half inches below the frame. Been using it ever since
> 2011. And haven't riped it off yet. Came close when I hit a 200 pound pig
> on Interstate 74 in 2016. Bob Dunahugh
>
> ________________________________
> From: Bob Dunahugh
> Sent: Tuesday, February 6, 2018 6:30 PM
> To: gmclist@list.gmcnet.org
> Subject: RE: Required air pressure for quad bag rear suspension
>
>
> Travel hold is to allow the compressor to replace air lose while driving.
> I haven't turned my bags on to add air in them for over a year. Plus I have
> to run with my back suspension about two inches higher then GM called for.
> Don't have a choice on that. Bob Dunahugh
>
>
> ________________________________
> From: Bob Dunahugh
> Sent: Tuesday, February 6, 2018 11:42 AM
> To: gmclist@list.gmcnet.org
> Subject: RE: Required air pressure for quad bag rear suspension
>
>
> I've always traveled with the stock bags turned off at the bags. For the
> quad bag system now. I turn the supply line off from the compressor. The
> only time I've ever turned any bags on is when parking for the night.
> There's no reason to have the compressor line on. The burned GMC bags
> stayed up for the 19 months that it was being taken apart. Bob Dunahugh
> 78 Royale
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Required air pressure for quad bag rear suspension [message #328941 is a reply to message #328938] |
Thu, 08 February 2018 00:32 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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I guess my point is that the bags on that thing have to be much newer than my OEM bags. Jim is not in the habit of supplying junk so I assume that the bags are OK. If not then replace the bad one.
OP never stated that they were not OK so we are down to his original request which I think is how to inflate and keep them inflated for a 400 mile tow. I calculate that to be 8 to 12 hours. Jim K. answered that question and stated to turn off the valves after they were at the desired height.
So why not just air them up and let them sit for 12 hours or so. If they do not go down then proceed with the tow. If they do go down then air them up again and start spraying the connections and bags with soap and find the bubbles.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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