What should tag bag air pressure be set to? - Page 2
 

What should tag bag air pressure be set to?

Started by Scott & Heather, March 17, 2016, 08:19:40 AM

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Scott & Heather

And the plot thickens


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Scott & Heather
1984 MCI 9 6V92-turbo with 9 inch roof raise (SOLD)
1992 MCI 102C3 8v92-turbo with 8 inch roof raise CURRENT HOME
Click link for 900 photos of our 1st bus conversion:
https://goo.gl/photos/GVtNRniG2RBXPuXW9

buswarrior

A "C" is same tag design style as MC 7-8-9-102 etc... rated for gross of 6000lbs.

bunch of metal grafted onto side of beam, bags on an angle down towards the back.

design changed to vertical bags and a straight style axle with the "D"

And load carrying went up with it.

Generally speaking, the tag is rated about the same as the steer in the 45 footers.

happy coaching!
buswarrior
Frozen North, Greater Toronto Area
new project: 1995 MCI 102D3, Cat 3176b, Eaton Autoshift

Scott & Heather

Thanks BW. Just what I needed. Btw, I read on the Canadian charter forums that a few of the MCI D drivers said those coaches road a little too firm in their opinion suspension-wise. I know they have much less lean and side to side rocking with the newer outboard bellow suspension design but is the ride really that firm?


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Scott & Heather
1984 MCI 9 6V92-turbo with 9 inch roof raise (SOLD)
1992 MCI 102C3 8v92-turbo with 8 inch roof raise CURRENT HOME
Click link for 900 photos of our 1st bus conversion:
https://goo.gl/photos/GVtNRniG2RBXPuXW9

lostagain

I drove a 1995 D3 with S60 12.7 and 7 speed EatonFuller for several years for the Junior hockey team. The ride is not too firm by any means. You could say that it is nice and solid on the road. Feels very secure. Albeit that is the latest model bus I have driven, so I am comparing to older buses. I suppose a fancy late model Prevost or MCI would feel even better, but I don't know. The only complaint I have about the Ds, is that it is not very well designed for driver comfort. An after market seat would improve that over the stock seat. The dimmer switch on that shelf off the floor to the left gets tiring if you have to drive at night lots, which I did. I would replace it with a stalk off the steering column. A really good bus nevertheless.

JC
JC
Blackie AB
1977 MC5C, 6V92/HT740 (sold)
2007 Country Coach Magna, Cummins ISX (sold)

luvrbus

I am putting my dimmer and turn signals on the column,I thought I may like the turn signals on the floor but I don't care for it to many switches for 1 foot 
Life is short drink the good wine first

buswarrior

I drive new J and H345 regularly.

The independent front suspensions in new stuff might be "softer"?

But...

you can't go hot into a highway ramp with near the confidence, they lean over... which disturbs the customers...

And I wonder if it makes a difference in a cross wind?

If the D is "harder riding" then I'll take it. I liked the D models just fine myself.

happy coaching!
buswarrior
Frozen North, Greater Toronto Area
new project: 1995 MCI 102D3, Cat 3176b, Eaton Autoshift

Emcemv

I'm going to thicken the plot a little more, we have a MC-7 combo, it has a 8V92T out back and 100 gallons of water just above it under the bed.  I have individual control over the air bags, it appears that I have been running the tag pressure too high at 60lbs, anyone know what pressure should be on a combo setup? The bags are setup just like the drive, vertical and same size. The combo has full duals on the tag and was used for carrying freight.  
Bruce & Nancy Fagley
1973 MCI MC-7 Combo Freighter
450HP DD 8V-92T 2000 Reman
HT 740 Allison
Woodbury CT.

luvrbus

I have a friend in Oregon that had a 7 combo he ran 55 to 60 in his tag
Life is short drink the good wine first

harpold700 3

start putting too much air in that tag and you start taking weight off your drivers, read spin out.
3 dressed up as a 9