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Old 09-08-2019, 10:05 PM   #1
Join Date: Sep 2019
Posts: 12
Upgrading Suspension?

I'd love to upgrade the suspension on any bus I get in order for it to handle longer rides and back roads. Also to help with any weight I put on it. Lifting it up would be nice but I may just go for bigger tires to do that. Anyone know of a good and reliable suspension kit that'd work well for most buses?

By the way, the guy who has given me some ideas on under bus storage also gave me ideas on the bigger tires. This video is what brought those thoughts up. Would bigger tires like the one's shown in the video be bad or good? Any major flaws or gains?
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Old 09-09-2019, 11:16 AM   #2
Bus Crazy
Join Date: May 2014
Location: West Ohio
Posts: 1,820
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
I've never heard of any suspension kits for full sized buses. Anything you would find would be a custom build.

You might find something that was pickup truck based to use on a shorty, but I wouldn't use it.

If you're looking for a quick improvement, replace your shocks. Most are shot and neglected.

If you want the best ride, get a bus with an air ride suspension front and rear.

I've also heard of people running their tires below the max air pressure, but I've never done it.
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Old 09-09-2019, 01:01 PM   #3
Bus Geek
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Join Date: Dec 2017
Location: Dawsonville, Ga.
Posts: 9,333
Year: 1999
Coachwork: Genesis
Chassis: International
Engine: DT466/3060
Rated Cap: 77
Most of our builds never get close to exceeding the GVWR, so seldom does one need to add to the suspension, some remove leafs to soften the ride. Super single tires look great, untill you have a flat and no expensive spare with you. At least with duallies, one goes flat, you keep moving. Those tires don't look any taller than a standard 11-22.5
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Old 09-10-2019, 10:46 AM   #4
Bus Geek
Join Date: May 2016
Location: Eastern WA
Posts: 6,358
Year: 2002
Coachwork: Bluebird
Chassis: All American RE (A3RE)
Engine: Cummins ISC (8.3)
Rated Cap: 72
I talked to a gent in Utah who sells kits and does custom suspension work. He suggested dropping one leaf from each spring pack and put airbags at all four corners.
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Old 09-10-2019, 11:12 AM   #5
Bus Crazy
Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,628
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
PNW_Steve, was that a private individual or a spring vendor you spoke with? I've talked on the phone a bit with a person at Best Deal Springs in Payson Utah and was impressed, but haven't had them do any work for me yet.
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