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Old 05-08-2018, 08:21 AM   #301
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Join Date: Oct 2016
Location: Essex, MD
Posts: 2,984
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 jazty View Post
I can't see how there's any more chance of leaking then other techniques. Hardly worth getting too excited about, either way.
You have a gasket top and bottom whereas a "normal" valve cover only has one gasket hence double the chance.

It's not like you can nor would redesign the engine anyway. I'm not a fan of the little 4 cylinder engines with the spark plugs thru the top of the valve cover either. Usually have to have a 37 foot extension to get it. If you ever break a plug off in there, you are DONE!! Not that breaking a plug happens often nor is ever a joy but still. Threaded and thru the side of the block thank you. Connectors don't belong anywhere near heat sources.

I should check mine. Did Rock Auto have your bus listed as a vehicle option? Pretty sure I checked for B.B. and they didn't have it. Autozone or Advance Auto did tho.
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Old 05-08-2018, 08:34 AM   #302
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Join Date: Nov 2011
Location: Sault Ste. Marie, Ontario
Posts: 1,572
Year: 1997
Coachwork: Thomas
Chassis: B3800 Short bus
Engine: T444E
Rated Cap: 36
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Originally Posted by Brewerbob View Post
You have a gasket top and bottom whereas a "normal" valve cover only has one gasket hence double the chance.
I do see your point. Regardless, leaking hasn't been an issue.

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Originally Posted by Brewerbob View Post
It's not like you can nor would redesign the engine anyway. I'm not a fan of the little 4 cylinder engines with the spark plugs thru the top of the valve cover either. Usually have to have a 37 foot extension to get it.
Truth. Had some engine trouble in my little Kia Rio some time back and had to buy an overpriced extension at a rural hardware store to get at those plugs. I brought the socket set, but couldn't get into the depths of the valve cover with what I had.

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Originally Posted by Brewerbob View Post
If you ever break a plug off in there, you are DONE!! Not that breaking a plug happens often nor is ever a joy but still.
If it ever happens in the Kia I'll tip the car over and give it a shake to get the pieces out

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Originally Posted by Brewerbob View Post
I should check mine. Did Rock Auto have your bus listed as a vehicle option? Pretty sure I checked for B.B. and they didn't have it. Autozone or Advance Auto did tho.
Rockauto has my bus listed, but I had to go over to a F350 with a pre '97 Power Stroke to get a valve cover gasket. It cross-references fine, so I don't know why Rockauto didn't have it listed. Not the first time this has happened with the ol' bus.

I would doubt that Rockauto has your bus, but they might have a listing for a dump truck with the same engine?
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Old 05-08-2018, 09:02 AM   #303
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Join Date: Oct 2016
Location: Essex, MD
Posts: 2,984
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
Quote:
Originally Posted by jazty View Post
If it ever happens in the Kia I'll tip the car over and give it a shake to get the pieces out
You've never had the pleasure of a stripped plug then. The pieces are easy to deal with. I had an engine (rotary) that got hot enough that the plugged "welded" itself in place. Decided to drill it before using a 6 foot pipe and messing up the threads. A glass drill bit to get thru the ceramic then a metal bit for the rest. Ended up off center. Engine was toast so replaced it. Turns out half the water passages were blocked with "concrete". Previous owner must have used some form of stop leak. Stuff was hard as hell and didn't want to come out even with the engine apart. Rotary engines are stacked like a sammich and the passages are easy to get at once dissembled. Still couldn't get whatever it was out of there.

Imagine trying to drill a plug out of the Rio.

Quote:
I would doubt that Rockauto has your bus, but they might have a listing for a dump truck with the same engine?
Almost certainly only problem is I've no fricking clue what else uses the 8.3L I have. Common as hell but I don't know squat about dump/fire trucks. I don't the the 8.3L Cumins was ever in a Dodge dually or anything like the Fords.
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Old 05-08-2018, 09:07 AM   #304
Bus Crazy
 
Join Date: Nov 2011
Location: Sault Ste. Marie, Ontario
Posts: 1,572
Year: 1997
Coachwork: Thomas
Chassis: B3800 Short bus
Engine: T444E
Rated Cap: 36
Quote:
Originally Posted by Brewerbob View Post
Imagine trying to drill a plug out of the Rio.
Yeah, that would suck. I was thinking "broken" as in the ceramic top was snapped off.. Which I've had happen before. I've also had spark plugs blow right out and ruin the threads, but that's an easy enough fix.

If a plug ever welded into the head of the Kia I'd either scrap the car or grab a $100 engine from the wreckers. Probably easier in the end
I have few good things to say about that little car, except for how dead simple it is to repair.
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Old 05-13-2018, 09:34 PM   #305
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Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,472
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
Quote:
Originally Posted by Brewerbob View Post
Almost certainly only problem is I've no fricking clue what else uses the 8.3L I have. Common as hell but I don't know squat about dump/fire trucks. I don't the the 8.3L Cumins was ever in a Dodge dually or anything like the Fords.
Seems to me they don't really do the "by application" parts search for this engine the way light automotive is done. I've just put a new head gasket and bolts in one of my 8.3 engines. Rather than searching for other applications, I registered on the Cummins QuickServe web site, entered my engine serial number, and found parts diagrams with lists of Cummins part numbers, service manuals, etc (all free). With the Cummins number in hand for the gasket and the bolts it was easy to locate OE and aftermarket parts through the local Cummins dealer and through web sites like Finditparts.com.

By the way: that 8.3L head plus exhaust manifold weighs in the neighborhood of 250 pounds. My upper back is going to be sore for a week after my brother and I carried that thing 60 feet between the shop and the bus yesterday.
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Old 05-14-2018, 09:14 AM   #306
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Join Date: Oct 2016
Location: Essex, MD
Posts: 2,984
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
Quote:
Originally Posted by family wagon View Post
Seems to me they don't really do the "by application" parts search for this engine the way light automotive is done. I've just put a new head gasket and bolts in one of my 8.3 engines. Rather than searching for other applications, I registered on the Cummins QuickServe web site, entered my engine serial number, and found parts diagrams with lists of Cummins part numbers, service manuals, etc (all free). With the Cummins number in hand for the gasket and the bolts it was easy to locate OE and aftermarket parts through the local Cummins dealer and through web sites like Finditparts.com.
I haven't (knock on wood) needed to find any parts yet but I am signed up on the Qucikserve already. The only thing I've gone looking for is an ABS sensor which didn't fix the dash light.

Brakes seem to work fine so I haven't done anything more (yet) about it.
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