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04-28-2021, 08:45 AM | #1 |
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What the H??? My new bakelite upper distributor body/shell is misaligned??
I lifted this from another of my more lengthy threads. Please comment guys.
Car is new to me. Had a coupe back in the 60's as a 15 year old. I'm catching up fast. When I hook up the spark plug brass connections, I notice cylinders 1 and 2 are harder to attach than cylinders 3 and 4.What the heck??? Looking down from above, it appears the distributor body/shell is rotated a few degrees CCW (Counter Clock Wise). The straight line of all 4 plug contacts is not parallel to the side of the block, it is at least 5 or more degrees and obviously off to the left. This is shortening the distance on cylinders 1 and 2 and lengthening 3 and 4. The previous person actually put a 90 degree bend in the brass connectors, as if he put them into a sheet metal brake to use up the extra length??? I don't believe the original Ford parts were like this. What say ya'll?
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04-28-2021, 09:00 AM | #2 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
I say call the vendor you got it from and explain the sutuation to them.
Then get one fro either Bert's, Snyders or Brattons and hopefully you will be down the road in no time. Pluck |
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04-28-2021, 09:09 AM | #3 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
They could have used B connectors which are longer and would require a bend to fit. Does the car start and run as it should? Because of the way the A is timed, sounds more like a visual thing more then affecting how the car runs. Personally, I would run as is or get a new body from one of the suppliers along with the shorter Model A not B connectors.
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04-28-2021, 09:14 AM | #4 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Do we know that the problem is in the body and not, e.g., the casting? If for example the index pin were malformed or missing, that could put the whole distributor off-axis.
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04-28-2021, 09:25 AM | #5 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
That was in the back of my mind. Missing pin and the hold down bolt is keeping from turning. If that is the case the groove might be wallowed out from over tightening. I have known at least one case, where the owner got that bolt too tight and crushed the casting, pinching the shaft. Someone could have overcome the missing pin by drilling an indexing hole in the casting and got it off by a few degrees.
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04-28-2021, 10:02 AM | #6 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
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04-28-2021, 10:29 AM | #7 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Thank you guys for the responses.
What I would really appreciate is for a handful of yun's who's Model A is sittin' in your garage a few feet away to go lift the hood, stick your noggin' in there and look straight down at the distributor. Are the plug contacts parallel with the edge of the block? I was being kind to the vendor on my initial post. He already replaced one of these bodies/shell that would not go onto the lower/main part of the distributor at all, until I sanded on it for 20 minutes trying it over and over. Once I got it to go on, the contacts opposite the rotor were all pretty much different distances from the rotor. Yeah, if you sand to get it on, you run the risk of making it out of round a few thousandths. But, I worked on it until it went on reasonably snug, had all the rotor gaps at a reasonable value (.025). Then discovered the brass plug connectors seemed to be fine on the 3 and 4, but were too long on 1 and 2. I have Champion look-a-like plugs that a pretty tall. I thought that was the problem, and then I spotted the angle of contacts is probably more than 5 degrees, more like 10 degrees left. As though aimed for the middle of the radiator, but not quite that bad. Last but not least when making a final check with a light, the body was cracked from both corners of the advance/retard opening. I'm sure this happened in the early stages of trying to get the thing to go on. Please take a look at your own car's distributor and post your observations.
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"It ain't what you know for certain that gets ya in trouble. It's what ya know for certain that just ain't so!" Last edited by Rob Doe; 04-28-2021 at 01:11 PM. |
04-28-2021, 10:34 AM | #8 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
What was on this distributor before you starting buying new bodies?
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04-28-2021, 11:23 AM | #9 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
I think it might be time for some photos of what you are working with. Could this be an aftermarket distributor or can you confirm that this is a Ford distributor casting? I do not recall having to do that much work just to install the body except all need to have the jump gap set as part of the install. There were some that the door where the lever goes thru that were, as I recall, a little small.
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04-28-2021, 12:08 PM | #10 | |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Quote:
An older one that looks the same. It was has steel contacts that were rust coated. The ADV/RTRD opening had been widened. The rotor to contact points gap was .130! It also has an alignment that is cockeyed. The base of the distributor is aligned correctly. I ordered brass contacts to slow the corrosion issues.
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04-28-2021, 12:28 PM | #11 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
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04-28-2021, 01:00 PM | #12 | |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Quote:
Yes, those articles are great. As you say, and I believe at this time, the picture to the right of the caption: "Setting Rotor/Distributor Contact Gap" is how I would expect my old and new distributor cover/shell to look from above. But that ain't how either look. In your mind, rotate that picture 5-10 degrees CCW. The base of the distributor sits properly with the clamps perpendicular to the edge of the cylinder head. I think the replacement parts are defective, or for some other year of car as another forum contributor suggested previously. I'll try to get a picture and post. Yes, the small index notch in the shell is on the casting index 90 degrees to the right of the clamps.
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04-28-2021, 01:16 PM | #13 | |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Quote:
I just reread this. I'm headed to my shop to double check the location of that locating pin on the lower main casting. If it is off 5 or 10 degrees, or the locating pin is missing in the top would explain this as you say. I'll bring pictures to the thread when I return! Thanks again.
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04-28-2021, 01:18 PM | #14 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
I have ordered distributor bodies from several of our Model A vendors and have never had on fit at an angle.
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04-28-2021, 06:07 PM | #15 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Here is a picture of the distributor from above. I lifted the distributor part way out of the head and put it back in. The locating pin is in the hole I'll remove tomorrow after draining some coolant so I can free the ignition cable. The distributor housing may be off, but I don't see it. If it is it isn't enough to correct for this distributor plastic/bakelite body.
distributor.jpg
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"It ain't what you know for certain that gets ya in trouble. It's what ya know for certain that just ain't so!" Last edited by Rob Doe; 04-28-2021 at 06:18 PM. |
04-28-2021, 06:13 PM | #16 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Hard to be certain, but it looks from the photo like the body is aligned with the outer clamp, but both are skewed to the head. Can you take this same photo with the body removed?
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04-28-2021, 06:25 PM | #17 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
With the body off, I can't see the distributor base as turned. I laid a straight edge across the clamp hinges and it looked perpendicular to the head's edge. The locating pin on the base is in the middle and not off center. I'll repost tomorrow.
thx
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04-28-2021, 06:26 PM | #18 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Perhaps the pin hole in the base is mis located. I'll remove the bottom plate and have a look tomorrow.
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04-28-2021, 10:49 PM | #19 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
I looked at 3 of my Model A engines in cars. My 31 pickup and my 29 sedan had pins parallel to the engine side. My 30 phaeton was canted like Rob's engine, but maybe not so seriously. All three cars run very well and I am not sure of why the one is canted. I will check a couple cars when I take them out of storage. I am wondering if some distributors are just made slightly off true.The distributor bodys are aftermarket or NORS that I picked up at swap meets. I cannot wait until this is resolved.
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04-28-2021, 11:45 PM | #20 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Well, gee, maybe it is the distributor body. While I have never had one like that, it sure isn't beyond the realm of possibility that you may have gotten a rotten apple from your vendor. Do you know anyone locally in a club, etc. that might have a spare you can borrow?
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04-29-2021, 12:03 PM | #21 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
It appears to me that the whole distributor is rotated. Is the pin not seated in the head or that pin mis-located? Or the hole in the head not drilled in the proper location?
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04-29-2021, 12:05 PM | #22 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
HOORAY! I have news. Start the drum rolls. And the answer is: The lower distributor casting is off. Apparently, the index pin hole was drilled or cast in the wrong position. I have a friend that is a life-long T and A man. He brought an old distributor by this morning. I removed mine and put his in. (a few seconds) I put the upper bakelite body on and voila, the spark plug contacts are parallel with the block!
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04-29-2021, 12:07 PM | #23 | |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Quote:
You nailed it. And the old distributor proves that one of your choices or perhaps all are right on.
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04-29-2021, 12:17 PM | #24 | |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
Quote:
Thanks for your contribution. I intend to follow through with my main line vendor as a result of your post. I will offer to send them the faulty casting to prevent their rebuilding any of these and sending them out. Please note, that the problem with my ADV/RETD rod slightly touching a head nut appears to be eliminated with the old distributor and correct positioning. And the brass connectors will flow smoothly from plug to distributor without ugly permanent bends.
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04-29-2021, 01:51 PM | #25 |
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Re: What the H??? My new bakelite upper distributor body/shell is misaligned??
With a new distributor base in, you will need to re-time it, but you probably already know that.
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