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Tail Pipe?
Can you see the tail pipe on my bus in this picture? The small pipe to the right is the generator. The main tail pipe is about a foot wide or so…
Here is a close up. You can see it has been mistreated at some point in the past. It is also very rusted and needs to be replaced. I did not realize it is a converter part until I called Prevost. They told me their tail pipe for this model is round and would decrease my ground clearance in the back which is at a premium any way.
I emailed Chris Johnson Design Engineer/Service Manager for Amadas Coach. It is my understanding that they aquired Featherlite/Vantare. He did not know where to buy a tail pipe like this although he did say they could make one of I was there.
Were these all custom pieces?
Will the standard pipe work?
Any Ideas?
Thanks,
DKO
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14 Replies
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DKO
I think the bus exhaust on a lot of the coaches are custom by the converter.
This is my exhaust:
Some coaches use an exhaust tip that turns down after it comes out of the muffler and they barely extend below the bottom of the coach. My only concern with them is they do not appear to deliver the exhaust outside the perimeter of the bus. That might be an issue when stopped and idling. When moving I doubt if that is an issue.
If I ever ding my exhaust tip I seriously doubt if I will spend the bucks for what that replacement might cost. I think I would go to a truck chrome shop and see what I could get to do the job. I also have a serious issue with ground clearance in the rear so I cannot use a round tip extending out the side or the rear.
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IBP in FL sells the tip I have no idea what the price is now the last one I bought was 150 bucks some one here will have a phone number International Bus Parts
good luck
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http://prevost-parts.com/index.php?ukey=search
Inflation has affected pricing.
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Thanks, I just sent an email to IBP and I will check chrome shops as well. Great Ideas.
DKO
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I had a very similar side exhaust on mine which was replaced with the oem Prevost muffler and tailpipe. They cannot be seen at all without bending down so ground clearance is actually improved. I don’t know how fumes standing still would be an issue; it hasn’t been for me but I don’t generally stand and inhale deeply while at the rear of the coach with the engine idling. The only issue I’ve noticed is that while moving in dusty conditions, the downturned oem tailpipe (as opposed to the side exit) raises dust so I try to move slowly without a lot of throttle.
Incidentally, there is supposed to be a vertical panel hanging down from the coach preventing exhaust gas from exiting out the side (as the converter so equipped) and being sucked through the radiator.
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My coach precedes the baffle you mention Joel, but good catch. Those coaches with that baffle need to have it.
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My coach was equipped with the baffle but the rear third was removed for the Liberty side tailpipe. Obviously, this not only negates the effect of the baffle but dumps exhaust right where Prevost doesn’t want it. After installing the oem muffler/tailpipe, I replaced the baffle with a new one of the proper length. It looks very nice, but I must admit I’ve noticed no change in the coolant tempearature gauge.
P.S. Jon: I’ve figured out how new posts are designated!
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Jon: Maybe you could persuade Dale J. to post a picture of his custom made tailpipe so the other guys could see the neatest tailpipe known to man for a Prevost.
You could probably offer him an InMotion Dish.
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I would like to see a picture of your bus with the OEM exhaust and the baffle. I would be glad to install the OEM if it doesn’t effect my ground clearance.
DKO -
DKO,
Roger has hit the nail on the head. Dale J, how about posting your triple exhaust?
Dale has a CC with the 8V92 and he has the neatest exhaust pipe ever seen, all home built.
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Here’s your photos. The picture from the rear is taken with the bus raised and me kneeling to bumper level. As you can see, only the very bottom of the muffler is visible and none of the tailpipe, although, without my 1″ piece of angle iron (for the Liberty rear flap) it may be slightly more visible. From normal eye level, nothing is visible. Note this installation has the long tailpipe; 2 or more versions are available. The side baffle could actually be constructed easily. It consists of a piece of rubber (similar to mud flap) secured to frame with a flat ss trim piece. The trim piece is secured only to the rubber allowing the assembly to flex.
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Thank you very much for the pictures. That looks good. That would give me more ground clearance for sure.
My 95/96 doesn’t have the baffle at all.
DKO
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I chose to go with the OEM exhaust tip. It was much cheaper, doesn’t throw exhaust on the radiator and gives me more ground clearance than coming out the side. It is not as pretty but it will get the job done.
Here is the Picture. The tip near the back of the bus is the generator. This was taken today while up in the air at Prevost for the engine cradle/hitch change.
DKO
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Marathon has the oval shaped tips for side exhaust. $4500
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