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#1
29-09-11, 04:37
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Exhaust Muffler question
I am starting to work on my Exhaust system but in doing the search here there are some questions unanswered. What is the length of the Original muffler body as I know it has an 1 1/2" inlet and outlet and is 6" in diameter, My best guess is 17" ?? Also the pipe going from the Exhaust manifold down to the cast elbow looks to reduce down a size going into the elbow, Did it have some kind of asbestos seal that wrapped around the pipe going into the elbow ?? (see picture) as the parts book also seems to show the pipe #CTL 109,110 SA in illustration No 24 having a reduced section just going into the cast elbow.
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#2
29-09-11, 06:28
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Mufflers
Dave
I went to lordco auto parts and bought 2 mufflers 14 inch long body 20 inches with inlet and outlet pipes part # 17901 made by profit. these are close to the orignal size. Then I had two pipes cut with a 90 degree bend to match up to the mufflers, I just have to cut them to the correct length to fit my MK I Roberta AKA Universalgrl Quote:
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#3
29-09-11, 07:57
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Dave
The end of each pipe has a sort of ball shape to it. This will allow the pipe to be poked into the cast elbow, and then moved to offer it up to the manifold.
There is no special seal of any sort. Its just a close fit. Another aspect is that the motor will rock on the engine mounts (slightly)and the cast elbows are angled and sited so as to allow the pipes to move up and down as well as expand and contract, with heat. All clear as mud? There is more to this. The floor will move slightly (relative to the exhaust pipes) as the carrier traverses rough terrain. With this all in mind, it make sense that the power unit is installed correctly with good engine mounts.
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... Last edited by Lynn Eades; 29-09-11 at 07:59. Reason: more dribble
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#4
29-09-11, 18:09
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Quote:
Thanks for the info Lynn, Your the man. I was kind of thinking that but not it having a ball shaped end on it but more of a straight end like it looked in the picture  . Would anyone out there have a picture of an original down pipe that a person could see what it really looks like ??
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#5
29-09-11, 17:52
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Quote:
Thanks for the info but I would like to know what the original length of the body as there have been a few suggestions for replacement mufflers but they look a bit shorter than the original length (according to some of the pictures I have seen of them) and I have a good pair of tailpipes I am going to reuse. There have been others on here asking about the length but it doesn't seem like it has been answered.
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#6
29-09-11, 18:06
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Kevin Powles is busy making a load of down pipes perhaps give him a message he may have the answer ?
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is mos redintegro __5th Div___46th Div__ 1942 Ford Universal Carrier No.3 MkI* Lower Hull No. 10131 War Department CT54508 (SOLD) 1944 Ford Universal Carrier MkII* (under restoration). 1944 Morris C8 radio body (under restoration).
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#7
29-09-11, 18:10
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Quote:
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#8
30-09-11, 01:59
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muffler
When I redid my carrier I bought mufflers for the Pontiac Firefly car from Canadian Tire -they fit well and do the job at modest cost -I made a jig from an original pipe that goes from manifold to floor elbow (its rather heavy)-using the jig I had a new pipe made up and tack welded the flange to it-I then installed it pulling the flange up to a proper fit to the manifold-then I took it out again and welded the flange solid -Greg
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