Exhaust hose
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=8636
Printed Date: November-16-2024 at 8:49pm
Topic: Exhaust hose
Posted By: Riley
Subject: Exhaust hose
Date Posted: October-06-2007 at 10:54am
Anyone seen radiator hose used for exhaust before? My Mustang appears to have original exhaust that needs replacing. The "s" shaped hose that connects to the exhaust manifold is soft rubber and looks like radiator hose. I looked into converting to exhaust hose with elbows, but it will take up more space.
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Replies:
Posted By: 8122pbrainard
Date Posted: October-06-2007 at 5:42pm
Bruce, Why do you feel that a couple rubber elbows and some straight sections of tube will take up more room?
http://www.westmarine.com/webapp/wcs/stores/servlet/ProductDisplay?resultCt=1&jspStoreDir=wm51&catalogId=10001&productId=247338&keyword=7063431&y=15&x=8&storeId=10001&ddkey=SiteSearch - marine rubber exhaust elbows
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: 79nautique
Date Posted: October-07-2007 at 12:18pm
what's under the tape?
------------- http://www.correctcraftfan.com/diaries/details.asp?ID=756&sort=&pagenum=1&yrstart=1979&yrend=1979 - 79 nautique
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Posted By: Tim D
Date Posted: October-07-2007 at 8:57pm
You can bend pipe my like my friend did on his american skier, or go to napa and buy 4 of these hoses.
------------- Tim D
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Posted By: 8122pbrainard
Date Posted: October-07-2007 at 9:14pm
Tim, It's a straight 6 so Bruce only needs 2 elbows
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: Tim D
Date Posted: October-07-2007 at 10:05pm
My bad, grand poopbah.
------------- Tim D
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Posted By: boat dr
Date Posted: October-07-2007 at 10:16pm
Tim , the radiator hose is a quick and temporary fix, after a year the bottom will get soft, and this is no place for a leak. Napa can supply you with S/S elbows in 3in for 35.00 or heavy guage galvanized for 18.00. The S/S will last 100 years the galvanized only 25.
The pic of the American Skier exhaust leaves a lot to be said for quality and appearance, looks like sh#t.........
------------- boat dr
/diaries/details.asp?ID=4631 - 1949 Dart
/diaries/details.asp?ID=1533 - 1964 American Skier
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Posted By: Tim D
Date Posted: October-07-2007 at 10:21pm
I agree, the pipe looks like chit, but it sounds good. As far as using the hose, don't you think a radiator gets hotter on a car than the boat exhaust?
------------- Tim D
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Posted By: boat dr
Date Posted: October-07-2007 at 11:13pm
Tim, just relateing what happen with my boat and the hose I used were heavy duty , after a short while the 90 that laid in the bottom,bilge, got real soft .
I went back with the wire type rubber and
3" 60 deg. and a 90 deg. galvanized back to back w/hose in between.
This took care of the 30 deg tilt on the motor and the 90 to lay flat in the bilge.........
------------- boat dr
/diaries/details.asp?ID=4631 - 1949 Dart
/diaries/details.asp?ID=1533 - 1964 American Skier
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Posted By: Tim D
Date Posted: October-07-2007 at 11:31pm
Did you use some metal piping to go down into the 90 as far as possible?
------------- Tim D
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Posted By: boat dr
Date Posted: October-08-2007 at 12:13am
Yes 3" S/S that was not the problem area, the 90 was..........
------------- boat dr
/diaries/details.asp?ID=4631 - 1949 Dart
/diaries/details.asp?ID=1533 - 1964 American Skier
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Posted By: Tim D
Date Posted: October-08-2007 at 1:07am
My boat still has the original hoses, and there is no wire in the walls that I can see or feel.
------------- Tim D
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Posted By: boat dr
Date Posted: October-08-2007 at 1:16am
Tim, this i do not doubt , but a small leak can pump a lot of water into the bilge real quick,,,,,
After the Hi Tek install I had to rework everything anyway, so i probably went overkill on mine , but I only wanted to do it once..
Now may be the time to pull yours and at least do a once over for soft spots and abrasion,as your exaust outlets are close if not below water line,just a heads up as to the gravity of a leak in the exhaust......
------------- boat dr
/diaries/details.asp?ID=4631 - 1949 Dart
/diaries/details.asp?ID=1533 - 1964 American Skier
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Posted By: 8122pbrainard
Date Posted: October-08-2007 at 7:41am
If the time ever comes that you require a hull survey from a registered surveyor, he will not go for any exhaust component that isn't rated as such. I have gone through this with my 54 because it was of a age that my insurance company wanted a survey. I ended up removing one of the floor boards so he could see the name/rating on the rubber tubing. I also had to disconnect my siphon bailer.
There is a reason that components shouldn't be used for funtions they are not designed for.
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: Tim D
Date Posted: October-08-2007 at 12:00pm
Boatdr, I dug my foam out back in July, the exhaust hoses are in good shape and no leaking. I guess I'm lucky.
------------- Tim D
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Posted By: Riley
Date Posted: October-08-2007 at 11:24pm
8122pbrainard wrote:
Bruce, Why do you feel that a couple rubber elbows and some straight sections of tube will take up more room?
http://www.westmarine.com/webapp/wcs/stores/servlet/ProductDisplay?resultCt=1&jspStoreDir=wm51&catalogId=10001&productId=247338&keyword=7063431&y=15&x=8&storeId=10001&ddkey=SiteSearch - marine rubber exhaust elbows
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Pete, I hadn't seen those. They might work. We have a West Marine in Portland, I'll check them out. The ones I had been looking at, made the s too big.
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Posted By: Riley
Date Posted: October-08-2007 at 11:25pm
79nautique wrote:
what's under the tape?
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Good question, I haven't looked under it, but it feels like holes and blisters. The photo makes it look like some sort of joint, but I don;t think it is.
The exhaust was covered in foam, so I guess it's original. I'm surprised it lasted so long.
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Posted By: 8122pbrainard
Date Posted: October-09-2007 at 7:07am
Tim D, Please email me a phone # and a time that is best to reach you. I'd like to talk to you. Thanks. pbrainard@wistool.com
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: 79nautique
Date Posted: October-09-2007 at 6:16pm
Riley wrote:
The exhaust was covered in foam, so I guess it's original. I'm surprised it lasted so long. |
no they would have been wraped in carpet not foam, someone has added that trying to patch something.
------------- http://www.correctcraftfan.com/diaries/details.asp?ID=756&sort=&pagenum=1&yrstart=1979&yrend=1979 - 79 nautique
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Posted By: JoeinNY
Date Posted: October-09-2007 at 6:42pm
My mustang had 2 inch copper elbows silver solder brazed onto a vertical piece of copper pipe. I was considering that the orignal setup, anyone else ever see it like that? I think I sent them to the junkyard when I converted over to 3 inch manifolds and wire reinforced tubing. I bought at that time at least two 3 inch fiberglass 90's that I ended up not using so if anyone needs marine exhaust elbows for 3 inch hose let me know I will sell them for less than half of what I paid for them. The copper ones while probably not original were at least cool should have saved them for a fan...
------------- http://www.correctcraftfan.com/diaries/details.asp?ID=1477 - 1983 Ski Nautique 2001
1967 Mustang 302 "Decoy"
http://www.youtube.com/watch?v=cO5MkcBXBBs - Holeshot Video
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Posted By: 8122pbrainard
Date Posted: October-09-2007 at 9:15pm
Bruce, I like Joe's posting with the copper. Very sound and no chance taking with radiator hose. The best thing is it looks original and may have been what was in the boat! The only problem will be to match the size. You never mentioned what size of hose was in it! Although rare, 2 1/2" copper fittings are made.
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: Riley
Date Posted: October-10-2007 at 2:40am
2.5" ID. Two of those elbos you posted may work if their turn is tight enough.
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Posted By: Tim D
Date Posted: October-10-2007 at 2:33pm
brainard, check your email.
------------- Tim D
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Posted By: 8122pbrainard
Date Posted: October-11-2007 at 3:04pm
Bruce, Here's a 2 1/2" exhaust elbow. I finally found one! The rubber ones I posted previously are 3". Will this work? It is a Barr Marine part.
http://www.go2marine.com/product.do?no=156473F - ehaust elbow
It's listed as a 90 degree but I looked it up and it is less than 90. It would match the backwards slope of the exhaust manifold better! Look for part # 20-0086P
http://barrmarine.net/wordpress/waukesha-v8/ - Barr Marine
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: Riley
Date Posted: October-11-2007 at 6:40pm
That may be perfect. If I have enough room, maybe that and some ribbed exhaust hose would give me enough of a bend to run a stright section from the transom to the elbo.
I have the larger V8 style motor box, so I may have enough room.
Thanks for the info.
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Posted By: 67ccmustang
Date Posted: April-28-2008 at 3:43pm
I am faced with the job of fixing the exhaust system on the Mustang.
Any drawbacks to replacing the missing exhaust hose section with SS pipe (like in the picture in the previous post )?
------------- Fonz got eaten by a shark?
http://www.correctcraftfan.com/diaries/details.asp?ID=753" rel="nofollow - 67 CC Mustang
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Posted By: boat dr
Date Posted: April-28-2008 at 4:24pm
OHHH MYYYY GODDDDD, what is that, or should I say "who would do such a thing"?????? PO....
I can only imagine the weight of all that IRON.
With the current price of scrap iron, a trip to the recycler could give you a good start towards the purchace price of a " correct exhaust system"
This is just my humble opinion tho...Boat dr
------------- boat dr
/diaries/details.asp?ID=4631 - 1949 Dart
/diaries/details.asp?ID=1533 - 1964 American Skier
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Posted By: 67ccmustang
Date Posted: April-29-2008 at 12:04pm
My friend works in a muffler shop and can bend/size any pipe I need.
Seemed like it would be simpler just to replace the missing rubber piece with the pipe, and hopefully the baffled hose coming off the engine would still provide enough flexibility to deal with vibration.
Thanks for the comments!
------------- Fonz got eaten by a shark?
http://www.correctcraftfan.com/diaries/details.asp?ID=753" rel="nofollow - 67 CC Mustang
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Posted By: 8122pbrainard
Date Posted: April-29-2008 at 12:48pm
Glenn, With replacment manifolds there always seems to be a issue because the outlets on the risers are never in the same spots as the original. I would just get rid of the corregated flex and run hard wall rubber to the exsisting splice under the floor (or all the way back to be safe). You have several inches of room to the inside of the engine box so the bend should be gradual and easy. The more splices with hose clamps you make is just adding to the number of potential leaks.
How about some more pictures? We'd love to see more!
I also couldn't help noticing that you may need some stringer work soon.
------------- /diaries/details.asp?ID=1622" rel="nofollow -
54 Atom
/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique
64 X55 Dunphy
Keep it original, Pete <
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Posted By: BuffaloBFN
Date Posted: April-29-2008 at 2:49pm
Along with what Pete said, this stuff is the only type hardwall I've found that will make a turn like you have. That's probably common sense to some, but I went through a bit of trial and error to come away with that little slice of info. LOL
http://skidim.com/prodinfo.asp?number=MPI252-3000 - corrugated exhaust hose
------------- http://correctcraftfan.com/diaries/details.asp?ID=2331&sort=&pagenum=12&yrstart=1986&yrend=1990" rel="nofollow - 1988 BFN-sold
"It's a Livin' Thing...What a Terrible Thing to Lose" ELO
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Posted By: 67ccmustang
Date Posted: April-29-2008 at 10:17pm
8122pbrainard wrote:
I would just get rid of the corregated flex ... |
Pete -
Ditching the flex hose sounds like a pretty good plan. I agree that should make less bending in the end. THanks for the tip!
I put rot doctor on all the exposed stringers, and said a little prayer. Hopefully that will hold them up for a little while longer!
I was playing around with utube and put a couple videos ....
http://www.youtube.com/watch?v=HTiH9q7_iNU&feature=user - Mustang video
-G
------------- Fonz got eaten by a shark?
http://www.correctcraftfan.com/diaries/details.asp?ID=753" rel="nofollow - 67 CC Mustang
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