| Marcus Mc Gee [message #174750] |
Wed, 27 June 2012 10:45  |
gbarrow2
Messages: 765
Registered: February 2004
Location: Lake Almanor, Ca./ Red Bl...
Karma: 3
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Senior Member |
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Marcus,
I sent you a private message and an email which was undelivered.
Please contact me.
Gene Barrow
Lake Almanor, Ca.
1976 Palm Beach
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| Re: [GMCnet] Q Bag Question [message #174774 is a reply to message #174765] |
Wed, 27 June 2012 13:09  |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Senior Member |
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Sir: I would think 40 lb difference is not normal. I would suggest to look at both the front adjusting bolts and see if there is a noticable difference in the amount of threads left showing. Say you raise the rf it pushes the lr down and in turn the air valve pushes it back up and pushes the rf down, see where I`m going. You can be at correct ride height and not be balanced and it will effect driving quality. Best way is to put the front wheels on scales with the rear blocked at ride height + height of scales and dump air. Adjust the front till you get the weight balanced close as possible, book says 250 lb max difference. Alex says if you don`t have scales jack the coach fron rear center, dump bags and adjust front height.
| Arthur Mansfield wrote on Wed, 27 June 2012 13:27 |
I set the height like I have always done with the stock set up. I looked at the pressure and was surprised to see 1 side read 62 lb while the door side read 102lb. Is this excepted. I never looked at the pressure before.
Thanks
Art & Doris
76 EL
Decatur AL
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C. Boyd
76 Crestmont
East Tennessee
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| Re: [GMCnet] Q Bag Question [message #174807 is a reply to message #174765] |
Wed, 27 June 2012 18:30 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Art,
In Double Trouble (OEM bags) I see a variance of 10-15 lbs. That makes sense as one side could be heavier than the other. Forty psi
seems to be too much.
I assume you have those little gauges in the manifolds. Unless they are Ashcroft gauges (Made in the USA) like the ones pictured
below in Dave Lenzi's manifolds I wouldn't trust them.
http://www.bdub.net/lenzi/index.html#AirManifold
Either way swap the gauges and see what the readings are. That will show whether you have an indication problem or not.
Regards,
Rob M.
-----Original Message-----
From: 1104agm
I set the height like I have always done with the stock set up. I looked at the pressure and was surprised to see 1 side read 62 lb
while the door side read 102lb. Is this excepted. I never looked at the pressure before.
Thanks
Art
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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