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By Deyomatic - Last Month
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If anyone has a decent spare road draft tube lying around, I was thinking about trying something with it. I don't know if my PMs work so a reply here would be best.
Thanks.
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By miker - Last Month
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Car, truck, bird? Year?
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By Deyomatic - Last Month
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All valid points! I THINK my engine is out of a '59 Fairlane...whatever this road draft  is...
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By paul2748 - Last Month
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Sedan ? - Might check with Ted Eaton. He may have some old ones lying around.
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By Lou - 7 days ago
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This road draft filter was used from 1954 to 1956.
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By Ted - 7 days ago
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Paul Deyo. I have come across two of those side mounted road draft tubes in my pile of parts. They are yours for the price of shipping if you want them. One has the straight down spout (tube) while the other one has the curved down spout. The one with the curved down spout will need some additional work at the threaded mounting hole on top. Feel free to email me via the contact information on my website.
www.eatonbalancing.com
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By KULTULZ - 7 days ago
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I have come across two of those side mounted road draft tubes in my pile of parts.
TED,
... er ... MR. EATON as we have not been properly introduced to one another ...
I know you are a busy man (how you do it all is beyond me) but is there any chance of photos? I did not know there were two versions.
It would be greatly appreciated but if too busy, I understand.
Just curious.
KULTULZ
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By paul2748 - 7 days ago
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I don't know if Deyomatic's real name is Paul, but I am not looking for one
.Ted (3/26/2025)
Paul. I have come across two of those side mounted road draft tubes in my pile of parts. They are yours for the price of shipping if you want them. One has the straight down spout (tube) while the other one has the curved down spout. The one with the curved down spout will need some additional work at the threaded mounting hole on top. Feel free to email me via the contact information on my website. www.eatonbalancing.com
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By Deyomatic - 7 days ago
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It is not Paul, but I'll shoot you an email, Mr. Eaton. Thank you.
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By Ted - Last Month
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Deyo and Kultulz. Here are a couple of pictures.
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By KULTULZ - Last Month
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APPRECIATE IT TED!
Now to figure what the curved tube was off of.
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By alanfreeman - Last Month
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The curved tube was designed to drain back into the crankcase any oil which would build up in the bottom of the road draft assembly.
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By KULTULZ - 6 days ago
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The curvature being discussed is in the actual draft tube, not the drain-back tube.
The assembly shown on the right in the photo.
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By FORD DEARBORN - Last Month
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KT - I don't know this to be fact but I would guess that slight curve to the rear had to do with taking better advantage of the slip stream of air passing over that tube which would help to extract crankcase fumes more efficiently. Same principal was employed on piston engine aircraft to help with the extraction of not only crankcase vapors but exhaust gases too. If the curve was for other reasons hopefully others will comment.
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By KULTULZ - Last Month
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You are 100% correct (IMO), but what bothers me is I seem to remember seeing these but cannot find the applications (parts catalogs).
But then again, I might have seen similar on a non-FORD (yes, I have sinned).
I have gone through FORD, FORD TRUCK and MERC.
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By Ted - Last Month
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The curved tube on the outlet of the crankcase ventilation assembly tube piqued my curiosity. In going back down to the core building, I did find an engine with one of those still on it. That engine was a ’56 model but it’s been rebuilt sometime during its history and had evidence of newer upgrades of parts added to it. There were several other ’55-’57 engines sitting there but all had straight tubes on the outlet side of the side mounted ventilation assemblies. Of particular note is that it would appear that all the dual quad and supercharged engines for 1957 had the rear mounted road draft tubes coming out of the valley cover rather than the side mounted road draft tubes that were side mounted on the right front sides of the blocks. The 272, 292, and 245HP 312 engines had the side mounted down draft tubes for '57.
But then I had an epiphany and looked at the inventory of New Old Stock Ford parts sitting on the shelves. There I found a new in the box B5A-6758-A assembly. The box had been previously opened and retaped so there’s always the possibility that the part in the box had been swapped out. But in that box was a curved outlet tube assembly. Which leads me to believe that the replacement assemblies had curved outlets whereas the vehicles came equipped with straight tubes. Here’s pics of the NOS assembly.
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By KULTULZ - Last Month
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And the confusion really begins ...
The main problem I have (other than a bad attitude) is having to depend on the 1949-1959 FORD MPC FINAL ISSUE SEP 1959.
Most any previous PART NUMBER CHANGES WILL NOT BE SHOWN (they would have been deleted from future editions and only the superseding PN shown). One needs a period correct CHASSIS/BODY CATALOG (or a period OSD CATALOG) to check the identity of early assembly parts before any ENGINEERING CHANGES.
A poster on FORD BARN sinks my battleship on a regular basis as he has the manual (which is fine as the correct info comes out).
I think the part you have is an earlier version of the breather assy but was put into an later parts box. So it would then reason the bent tube was pre-1955 and used on the 239-256.
I think that (must have been) was where I had seen that breather style ...
 OR - If the design was changed for whatever reason, it might have been shown in a period TSB.
AGAIN - THANX for your time!
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