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Old 11-03-2016, 08:45 AM   #91
Skoolie
 
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Originally Posted by Brewerbob View Post
Have you gotten her home yet?

Still hate you for grabbing a bus from where I live for only $150.
Unfortunately not, I am currently working in Savannah, GA for the next few weeks. I have the turbo with me and have the rebuild kit here, so I will get the turbo rebuilt in the next few days and head back up there when my work here is done.

fingers crossed that this at least gets me home!!
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Old 11-03-2016, 09:09 AM   #92
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Location: Essex, MD
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Year: 1999
Chassis: Blue Bird TC RE 3904, Flat Nose, 40', 277" wh base
Engine: 8.3L Cummins ISC 260hp, AT643, 4.44 rear
Rated Cap: 84 pax or 1 RV; 33,000lbs
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fingers crossed that this at least gets me home!!
Guess you worked out some place to keep it. Can't just bypass the turbo with a section of pipe and drive it home at 35mph without boost?
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Old 11-03-2016, 09:39 AM   #93
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Year: 1991
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Chassis: International S3800
Engine: DT360
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Originally Posted by Brewerbob View Post
Guess you worked out some place to keep it. Can't just bypass the turbo with a section of pipe and drive it home at 35mph without boost?
the turbo oil lines are an issue.. and you cannot just connect them together as then you lower the system LPOP pressure...

if i were the OP i would be armed with an injector as well just in case... Ive been reading some things where a busted injector itself can dump oil into the cylinder... and of catastrophic note is that a cracked head can do it also...

-Christopher
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Old 11-03-2016, 09:51 AM   #94
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Join Date: Oct 2016
Location: Essex, MD
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Year: 1999
Chassis: Blue Bird TC RE 3904, Flat Nose, 40', 277" wh base
Engine: 8.3L Cummins ISC 260hp, AT643, 4.44 rear
Rated Cap: 84 pax or 1 RV; 33,000lbs
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Originally Posted by cadillackid View Post
the turbo oil lines are an issue.. and you cannot just connect them together as then you lower the system LPOP pressure...

-Christopher
I duuno squat about the voodoo of spinny bits (as I call them) even tho I own two cars with spinny bits; one is a rotary engine (spinny doritos, these I know about) and the other TDI Jetta.

But, that oil comes from someplace and goes someplace else; bypass it too.
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Old 11-03-2016, 10:05 AM   #95
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Originally Posted by Brewerbob View Post
I duuno squat about the voodoo of spinny bits (as I call them) even tho I own two cars with spinny bits; one is a rotary engine (spinny doritos, these I know about) and the other TDI Jetta.

But, that oil comes from someplace and goes someplace else; bypass it too.
I mentioned that... you cant just bypass the oil line.. the turbo creates some sort of resistance and flow restriction but also allows some flow throiugh it... if you connect supply to return the flow is too great and no resistance so the oil pressure in the system will drop..

if you just block off the supply line you end up in possibly oil-starving or causing lack of oil flow in part of the system..

these engines were engineered to have a turbo... sure you wont hurt the engine to run with no boost but very well might if you bypass or alter the oil lines..

and you may not... I dont have the oil flow diagram to one of these....

if he had a 10 mile drive its one thing... but running a long distance in a bypassed mode may cause other issues...

-Christopher
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Old 11-03-2016, 10:14 AM   #96
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Join Date: Oct 2016
Location: Essex, MD
Posts: 1,841
Year: 1999
Chassis: Blue Bird TC RE 3904, Flat Nose, 40', 277" wh base
Engine: 8.3L Cummins ISC 260hp, AT643, 4.44 rear
Rated Cap: 84 pax or 1 RV; 33,000lbs
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Originally Posted by cadillackid View Post
I mentioned that... you cant just bypass the oil line.. the turbo creates some sort of resistance and flow restriction
-Christopher
Figured as much but there seem to be some pretty smart cookies on this site; you among them. Someone somewhere knows what that pressure is. Add a restrictor and two hose clamps.

A permanent fix no. But if he's spending $100 a month for storage, 500 miles away, etc. it won't take long in travel expenses (much less PITA time traveling) to make it worth a gamble to get it home so he can tear it down properly.
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Old 11-03-2016, 10:55 AM   #97
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I have to admit, I did consider the option of trying to rig it up to run without the turbo. I just didnt feel it would be worth the gamble when covering a 1200mile drive home, especially if I was stuck at 30mph and restricted from using interstates etc. The oil return from the turbo drains into the oil pan, however I imagine there would be some restriction required in the line if it were to be bypassed.

The bus is back at the auction yard right now. I am pretty close to their "official" deadline of 30days to move it, although they seemed pretty decent about it when I was up there working on it. They dont have any more auctions scheduled in the immediate future so the yard is pretty empty. Hopefully this leads to them being lenient with their policy and let it sit for a few more weeks!
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Old 11-03-2016, 10:57 AM   #98
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Originally Posted by cadillackid View Post
the turbo oil lines are an issue.. and you cannot just connect them together as then you lower the system LPOP pressure...

if i were the OP i would be armed with an injector as well just in case... Ive been reading some things where a busted injector itself can dump oil into the cylinder... and of catastrophic note is that a cracked head can do it also...

-Christopher
I have been speaking to a local diesel shop here in Savannah and plan to buy one of their old injectors that has been flow tested. They are a "tuner" shop so they have a bunch from people upgrading to larger injectors.
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Old 11-03-2016, 12:59 PM   #99
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Year: 1991
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Originally Posted by deftone View Post
I have been speaking to a local diesel shop here in Savannah and plan to buy one of their old injectors that has been flow tested. They are a "tuner" shop so they have a bunch from people upgrading to larger injectors.
your year should use a code "AD" injector.. and these poarts i know are the same from the ford 7.3 to the T-444E so yeah a good choice to get a used one from there...

I wouldnt mind finding a Diesel shop that could tune on a T-444E... thus far only Pre-97 seems to be supported..

not that I need a ton more power.. but considering what my lans are for that T-444E bus of mine a little more power might be nice.. thouygh in a 6 window shortie it does go OK.. my best efforts are probably put into an allison 1000 Upgrade instead of the Engine.. LOL..
or justr drive it as it is since it does go 65-70 easily...
-Christopher
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Old 11-03-2016, 01:19 PM   #100
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or justr drive it as it is since it does go 65-70 easily...
-Christopher
If I can get 65mph and have a reliable motor I would be delighted!! Being such a heavy vehicle I am anticipating 50mph cruising on the way home
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