Reply
 
Thread Tools Display Modes
 
Old 08-05-2015, 06:56 PM   #1
Bus Nut
 
onenationundergoat's Avatar
 
Join Date: Mar 2015
Location: Statesville, North Carolina
Posts: 458
Year: 1993
Chassis: Thomas
Engine: International Navistar DT360
Rated Cap: 60
1993 DT360 Turbo Question

I have a DT360 and it seems like it's not getting all the power it should. I have to rev it up quite a bit to get it up over a 3" or less edge to put it in the hangar. It has a turbo but doesn't make that "jet engine" whine noise. How can I test it and see if the turbo is working/has a problem?

Would adding an aftercooler help give a power boost? I've also heard it increases mpg.

Another theory is that maybe the fuel uptake filter is clogged (if it even has one?), as I've noticed some people mentioning that on here and saying it was starving the engine of fuel.
__________________
My build thread:http://www.skoolie.net/forums/f11/build-thread-for-haulin-oats-and-goats-11237.html#post113500
A gal, a guy, three cats, two dogs, one rabbit, and one goat, traveling the country together.
onenationundergoat is offline   Reply With Quote
Old 08-05-2015, 07:00 PM   #2
Bus Geek
 
Join Date: Aug 2011
Location: Stony Plain Alberta Canada
Posts: 2,939
Year: 1992
Coachwork: Bluebird
Chassis: TC2000 FE
Engine: 190hp 5.9 Cummins
Rated Cap: 72
Install a boost gauge if the turbo is in question and report back.

Check all the rubber boots in the intake piping to make sure your not leaking out all the turbo boost.

Is it real hot weather?

Do you have a auto or a manual trans?

How long have you owned the bus?

Is this something that just started?

Nat
__________________
"Don't argue with stupid people. They will just drag you down to their level, and beat you up with experience."

Patently waiting for the apocalypses to level the playing field in this physiological game of life commonly known as Civilization
nat_ster is offline   Reply With Quote
Old 08-05-2015, 07:42 PM   #3
Bus Nut
 
onenationundergoat's Avatar
 
Join Date: Mar 2015
Location: Statesville, North Carolina
Posts: 458
Year: 1993
Chassis: Thomas
Engine: International Navistar DT360
Rated Cap: 60
It's been real hot here. We bought the bus a few months ago but haven't had it on the road since we brought it home other than the surrounding mile of country roads by my house. It's an auto trans.
__________________
My build thread:http://www.skoolie.net/forums/f11/build-thread-for-haulin-oats-and-goats-11237.html#post113500
A gal, a guy, three cats, two dogs, one rabbit, and one goat, traveling the country together.
onenationundergoat is offline   Reply With Quote
Old 08-05-2015, 07:48 PM   #4
Site Team
 
crazycal's Avatar
 
Join Date: Feb 2007
Posts: 4,087
It's your transmission. You probably have an AT545 that's tired. I once backed the back wheels off the asphalt. We are talking 6 inches. I was afraid I would need to call a tow truck to get me back onto the asphalt.
__________________
I'm hungry!

You Gotta Let Me Fly
crazycal is offline   Reply With Quote
Old 08-05-2015, 10:27 PM   #5
Bus Nut
 
Join Date: Dec 2014
Location: Florida
Posts: 584
Year: 1988
Coachwork: Blue Bird
Chassis: I.H.
Engine: DT360
I have the same combo here.I move away a few feet from the curb and get a rolling start that way.
HolyBus is offline   Reply With Quote
Old 08-06-2015, 07:35 AM   #6
Site Team
 
Join Date: Jun 2014
Location: southwest lowsyana
Posts: 542
Year: 1988
Coachwork: ward
Chassis: international
Engine: dt360a
Rated Cap: 65
check the prefilter for blockage. its not uncommon to hear th motor rev when taking off from a stop. you wont hear the turbo unless you remove the air filter. why would anyone have a curb in front of a hangar?
claydbal is offline   Reply With Quote
Old 08-06-2015, 08:23 AM   #7
Bus Nut
 
onenationundergoat's Avatar
 
Join Date: Mar 2015
Location: Statesville, North Carolina
Posts: 458
Year: 1993
Chassis: Thomas
Engine: International Navistar DT360
Rated Cap: 60
It's not a curb, it's just that there's grass until the concrete pad, which is about 3" thick. The sliding doors sit against it on the outside so the ground is lower than the concrete. A foot away from the edge the ground is about even with it, but I guess it's dug out there for the doors. The planes and boats stay in another part that is gravel so they won't have that to bounce over.

It's just odd to me that I'd have to push the pedal halfway down to get over that.
__________________
My build thread:http://www.skoolie.net/forums/f11/build-thread-for-haulin-oats-and-goats-11237.html#post113500
A gal, a guy, three cats, two dogs, one rabbit, and one goat, traveling the country together.
onenationundergoat is offline   Reply With Quote
Old 08-06-2015, 09:31 AM   #8
Bus Crazy
 
Scooternj's Avatar
 
Join Date: Apr 2014
Location: EHT New Jersey
Posts: 1,134
Year: 2003
Coachwork: AmTran
Chassis: International 3000RE
Engine: T444E/AT545
Rated Cap: 75
Quote:
Originally Posted by onenationundergoat View Post
It's just odd to me that I'd have to push the pedal halfway down to get over that.
I've done that with ambulances and tactical vehicles to get them up over the curb. Remember, you have a round object trying to go up over a square/rectangular object.
__________________
Hey! That's not an RV, that's a school bus.
Well thank you for noticing, Captain Obvious

Captain Obvious on deviantArt
Scooternj is offline   Reply With Quote
Old 08-06-2015, 09:40 AM   #9
Bus Geek
 
EastCoastCB's Avatar
 
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 12,107
Year: 1992
Coachwork: Ward/AmTran
Chassis: International
Engine: dt466
Rated Cap: 78
I have to push my pedal down a good ways just to get moving on grass or dirt. I wouldn't fret too much.
EastCoastCB is offline   Reply With Quote
Old 08-06-2015, 10:18 AM   #10
Bus Geek
 
Tango's Avatar
 
Join Date: Mar 2011
Location: Houston, Texas
Posts: 6,159
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
"Would adding an aftercooler help give a power boost? I've also heard it increases mpg."

You will get more effect from an air-to-air "intercooler" than an "aftercooler" though either will help.

On my 4BT the intercooler factor is about 10-12% on HP and close to the same on mpg. Cooler, denser intake air makes a very big difference in performance on any internal combustion engine.

I was just going over this topic myself with a 25+ year Cummins tech while working on the design for a new CAC for my motor.
Tango is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Virginia Campgrounds

Reviews provided by

Powered by vBadvanced CMPS v3.2.3

All times are GMT -5. The time now is 02:11 PM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2017, vBulletin Solutions, Inc.