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Old 10-30-2020, 05:44 PM   #1
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Join Date: Aug 2020
Posts: 3
Question RE Space Hog - AmTram Air Intake

We are looking at a 2003 AmTram RE school bus. Our biggest concern is the air intake. The upper air intake takes up a lot of space in the cabin. This would prevent a queen size bed from being all the way at the back. I'm interested in how others have adapted to this?

See attached image.
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Old 10-30-2020, 10:51 PM   #2
Bus Nut
 
Join Date: Jun 2016
Location: Orange County, CA
Posts: 973
Year: 1990
Coachwork: integral
Chassis: Crown Supercoach II (rear engine)
Engine: Detroit 6V92TAC, DDEC 2, Jake brake, Allison HT740
Rated Cap: 37,400 lbs GVWR
Wow, they really do take a lot of space! I wonder why? That window is really small.
My bus has just one air intake plenum on the passenger side, and even that is smaller than each of yours. Are you sure they're air intakes for the engine itself, and not ducts for the cooling system? Does that Amtran have a rear-mounted radiator?

I have a queen-size bed in my bus, but it goes back only as far as the original rear seat's backrest. My bedroom extends forward three windows (but Crown's windows are much wider than other buses'), with plenty of room at the foot of the bed to get out of it easily. Just bear in mind the thickness of a mattress on top of the bed base - with an 8" to 10" mattress on top of the rear shelf's level you may be sleeping uncomfortably close to the ceiling! My bed's base is level with the rear seat bottom, a lot lower than my rear window's shelf.

John
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Old 11-08-2020, 11:23 PM   #3
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Join Date: Apr 2018
Posts: 20
We took ours out. Sheet metaled over everything inside and out. Cut the intake pipe. We vented our engine bay doors instead. Totally worth it. Pics on IG if you want to see. @theflowstatebus
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Old 11-09-2020, 08:53 AM   #4
Bus Nut
 
Join Date: May 2015
Location: Miami, Fl.
Posts: 302
Year: 1999
Chassis: Amtran / International
Engine: DT466E-Md3060
I have a 99 Amtran RE, did a roof raise and in the beginning I never considered re-locating the air intakes.

Looking back I wish I would have thought about re-locating the air intakes.
Aside from capturing more space inside the bus, there is still quite a bit of sheet metal work inside the bus in order to properly close in the air intakes on the inside of the bus and then there is the insulating for sound.

It would have been much easier and a whole lot of less work sealing up the original air intakes and opening them back up down at the engine bay doors.

Visually I like the original look but.... I'll live with what I got for now!
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Old 11-09-2020, 12:47 PM   #5
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Join Date: May 2017
Location: Windham NH
Posts: 989
Year: 1999
Coachwork: Amtran
Chassis: International RE
Engine: International T444e
Rated Cap: 76
Quote:
Originally Posted by melwade View Post
We are looking at a 2003 AmTram RE school bus. Our biggest concern is the air intake. The upper air intake takes up a lot of space in the cabin. This would prevent a queen size bed from being all the way at the back. I'm interested in how others have adapted to this?

See attached image.
I have the same chassis/engine compartment, see my build thread. I put a kitchen in the rear and a bedroom in the middle.
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Old 11-11-2020, 05:14 PM   #6
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Thanks for the replies. This gives a lot of ideas to work from. @theflowstatebus, I love your build ideas and your ceiling!
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