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Ford CMP muffler
Who can help me source a replacement of the muffler as fitted to Ford CMP trucks?
The original was a one-piece "muffler and inlet pipe assembly" (*C01YF 5230A). As I am only looking to replace the muffler, I do not need an exact copy as a replacement, basic dimensions of the Ford muffler are welcome so I can source one which comes close. Or does anyone know of an off-the-shelf muffler which fits? I once heard a Volvo 240 muffler is about the right size. Some pictures of how/where a muffler would be fitted originally are welcome, too. Thanks in advance! Hanno
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Regards, Hanno -------------------------- Last edited by Hanno Spoelstra; 29-06-14 at 21:13. Reason: corrected part number |
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Regards, Hanno -------------------------- |
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Regards, Hanno -------------------------- |
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And I found Tony posted the correct dimensions
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Regards, Hanno -------------------------- |
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Ford CMP muffler position and info
Hello Hanno,
Attached are two photos of an original muffler as installed on a Ford Ambulance at the Bandiana Army Museum in Australia. It shows the front end of the muffler very close to being in line with the rear step plate bracket. The third photo is of an original rear bracket on my F15A. With my generic muffler installed, which is the same length as an original, the position is very close to the museum example. To prevent confusion from the photo, my tailpipe has an adaptor which mates the 1-5/8" tailpipe to the 2" outlet of the muffler. When installed, the adaptor fits inside the outlet and the smaller end goes into the bracket. The pipe was left a bit longer for fitting. Something which is sometimes overlooked, which I have inadvertently done, when shopping for replacement mufflers is the position of the inlet and outlet relative to each other. My replacement one has the inlet and outlet 180 degrees apart. The museum example shows the inlet at the 6 o'clock position when viewed from that end and the outlet at the 3 o'clock position when viewed from that end (90 degrees apart). I intend to juggle my exhaust pipe a bit to ensure it hangs properly but it would have been nice to have it all line up from the start. Hope this is of some help in locating it on the truck and sourcing a correct one. Cheers
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F15-A 1942 Battery Staff Jacques Reed |
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Hanno,
I have contact details for a company in USA that can make an exact copy of original muffler. Just haven't found where I stored their details. May have posted their name onmy resto thread. Still looking!
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Ford CMP, 115" WB,1942 (Under Restoration...still) Medium sized, half fake, artillery piece project. (The 1/4 Pounder) |
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I found it, I found it!
Found the guy who can make your repro muffler to Ford specs.
http://www.ebay.com/itm/1932-41-FORD...38e891&vxp=mtr He is still sellling on ebay, and the above link is to one which is already pretty close. Hope it helps.
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Ford CMP, 115" WB,1942 (Under Restoration...still) Medium sized, half fake, artillery piece project. (The 1/4 Pounder) |
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Thanks a lot, $100 is not a bad price but I'm sure the shipping will probably double that. I'm looking to buy locally. Hanno
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Regards, Hanno -------------------------- |
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Certainly of help as I was wondering about the offset for the in- and outlet pipes. Can you confirm the measurements listed by Tony W.: 6" diameter, 18" length, 2" inlet and 1-5/8" outlet pipes? Thanks, Hanno
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Regards, Hanno -------------------------- |
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Ford CMP muffler dimensions
Hi Hanno,
Those dimensions seem correct. A ford Truck manual for wartime trucks, not CMP type however, also gave the muffler dimensions as 6" Diameter and 18" long. Would reasonably assume the mufflers are the same. Ford tended to keep it simple and use off the shelf items whenever possible. By example: the choke and throttle knobs on the CMP being the same as used on their passenger cars of that era. Two sets of original exhaust pipes also confirm that the muffler inlet ID is 2" I cannot independently verify the 1-5/8" ID outlet on the muffler as I used Tony's information from brackets he supplied me, however the careful analysis of both original tailpipe and rear muffler brackets makes me 99% certain it is 1-5/8" ID. (1-3/4" OD pipe is too big a stretch in the brackets). A Dennis Carpenter Ford Reproduction car tailpipe bracket I have also indicates tailpipe sizes were 1 5/8" OD. Hope this helps. Cheers
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F15-A 1942 Battery Staff Jacques Reed |
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Hi Hanno
I think there is a difference between 12 and 13 cabs I have an original ford 12 pipe that the muffler slid over and the muffler was welded on at each end I will see if I can find the picture of the pipe |
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@ Jacques, certainly helps! I have passed on the dimensions to my friend's local garage, he's sourcing a muffler for me.
@ Stew, I would be interested to see the differences between 12 and 13 Cabs. Could you make some pics? Thanks, Hanno
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Regards, Hanno -------------------------- |
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Ford CMP Muffler- tailpipe
Hi Hanno,
Glad to help. As a matter of interest here is the Chinnis Carpenter, I mean Dennis Carpenter passenger car tailpipe bracket in the jury rigged tailpipe bracket I made to get the position right. The new tailpipe in it is 1-5/8" OD. As you can see it fits well and the next size up, 1-3/4" would be a stretch to get it in, let alone close it. Having said that Dennis Carpenter so is not necessarily the final say on it. They do not always get it right, especially on their Chinese made stuff. The 5/16" carriage bolts in the brackets they supplied were UNC threads with a 13 mm AF nut! A 1/2" AF spanner would no way fit on it. Also going by the crossover pipe clamp on two original exhaust pipes I have they are both 5/16" UNF not UNC threads on the carriage bolts. Would reasonably assume they would use the same type bolt throughout to keep it simple. Maybe a minor thing but shows lack of research on their part. Hope this is of interest. Cheers
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F15-A 1942 Battery Staff Jacques Reed |
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Quote request sent for manufacture, Ford muffler copy.
Just emailed the company in USA that builds custom muffers & exhaust systems.
If what I have read is correct, shipping to Aus is around $55 AUD. At that price, I am happy to purchase. Muffler cost is $120. The following, are the specs. I have taken from this thread, and my enquiry about supply is based on those requirements. If you feel any of those specifications are NOT correct, please let me know, and I will ammend my requirements to the manufacturer. Specifications needed as follows: Round Muffler with Domed Ends Length: 18 inches Width: 6 inches Inlet pipe ID: 2 inches Outlet pipe ID: 1-5/8 inches Inlet pipe location: 6 o'clock (as viewed from inlet end of muffler) Outlet pipe location: 3 o'clock (as viewed from outlet end of muffler) I don't know if these would be any cheaper if multiples ordered, but I will ask, if anyone expresses an interest.
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Ford CMP, 115" WB,1942 (Under Restoration...still) Medium sized, half fake, artillery piece project. (The 1/4 Pounder) |
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muffler
If you are looking for a muffler that's close to that ford size, go to your local tractor parts dealer and check out the SPARAX tractor mufflers, 5" dia, 2" inlet, domed ends, price about $110.
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macca C15 C15A |
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Hello Bob,
Obviously you have had the same thought as I did. I once gave consideration to one of those some time ago, but the girth is a little too small to pull off the effect. Also noticed, if I am correct, and have been looking at the right ones, that the intake/output tubes are centrally located to the muffler ends. It's that time of year, when we get a few crumbs of our tax dollars back, if lucky! In my case, I have been doing 'Salary Sacrifice' for the full 12mths, and several months ago reduced my working week from 5 days down to only 4. These combined should get me a few quid (of my OWN money) back. I have been waiting for this annual event for a long time, because it is the only time I can afford such an expensive item as the custom made muffler. Assuming the reply to my enquiry proves cost is approximately same as their ebay listing of a very similar muffler, then I will give serious thought to ordering one. It should not be any more than approx $180 USD, including the postage. I know its a lot of money. I just feel the muffler will be too visible to substitute one with different dimensions or tube locations.
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Ford CMP, 115" WB,1942 (Under Restoration...still) Medium sized, half fake, artillery piece project. (The 1/4 Pounder) |
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I ended up using a universal muffler made by Bosal (a Dutch company )
Number: 248-016 Diameter [mm]: 157 Length [mm]: 520 Inner Diameter 1 [mm]: 48 Inner Diameter 2 [mm]: 48 H.
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Regards, Hanno -------------------------- |
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Hello....
Any other actual source for Exhaust mufflers ???? I will need one soon... Thanks |
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I will feel a little better now every time I use it. Cheers, Barry |
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With Dirk's LWD shop being so close to Alkmaar, this may make you feel even a little more better Hanno
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Regards, Hanno -------------------------- |
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