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Distributor question for my 216 #232097
01/25/12 07:00 PM
01/25/12 07:00 PM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
Grease Monkey
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Florida
Just inherited a 1940 Special Deluxe Cabriolet with a 40+ resto and engine rebuild and noticed that when the engine is running, the distributor moves. And to clarify it does not rotate except when the vacuum advance does so. It actually moves around. I am thinking it may be the bushing in the block that the shaft slips into. If so does anyone know where to get one and can it be removed and installed from up top or via the oil pan?
Any info would be great.

thanx

Re: Distributor question for my 216 [Re: 40cabriolet] #232104
01/25/12 07:16 PM
01/25/12 07:16 PM
Joined: Feb 2010
Posts: 305
The Netherlands
JianisNl Offline

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JianisNl  Offline

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The Netherlands
Removal and installation of the distributor can be done from the top no need to remove the oil pan chevy
driving
Jianis

Re: Distributor question for my 216 [Re: JianisNl] #232105
01/25/12 07:22 PM
01/25/12 07:22 PM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
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Florida
I have had it out and replaced it with a rebuilt unIt so I know the distributor is not the issue and it seems to be completely seated in the block.

Re: Distributor question for my 216 [Re: 40cabriolet] #232106
01/25/12 07:23 PM
01/25/12 07:23 PM
Joined: Sep 2002
Posts: 1,674
Bracebridge Ontario,Canada
O
old216 Offline

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If you are talking about the distributor wobble at idle, I believe that is considered normal. My 216 does it and has done so for the 18K miles that I have put on it so far.


My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .
Re: Distributor question for my 216 [Re: 40cabriolet] #232110
01/25/12 07:37 PM
01/25/12 07:37 PM
Joined: Feb 2010
Posts: 305
The Netherlands
JianisNl Offline

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JianisNl  Offline

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The Netherlands
I just got what you mean. idea
More modern cars change the ignition timing moving internal parts of the distributor when vacuum changes.
In the case of the 216 the complete distributors moves as the vacuum is changing.If you installed the distributor according to the manual you will be fine.

Jianis

Re: Distributor question for my 216 [Re: JianisNl] #232111
01/25/12 07:47 PM
01/25/12 07:47 PM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
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Florida
I understand the vacuum advance will rotate the distributor and mine works fine, but old216 hit the nail on the head. The distributor wobbles at idle and smooths old a lot when the engine is revved. Just very strange to see it wobble, never seen it happen in 60's or 70's engines.

Re: Distributor question for my 216 [Re: 40cabriolet] #232112
01/25/12 07:49 PM
01/25/12 07:49 PM
Joined: Nov 2001
Posts: 28,725
Eagle Point, Oregon
Junkyard Dog Offline

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The distributor on my 216 doesn't wobble at idle.

laugh wink beer2


The Mangy Old Mutt

"If It's Not Junk.....It's Not Treasure!"
Re: Distributor question for my 216 [Re: 40cabriolet] #232115
01/25/12 08:02 PM
01/25/12 08:02 PM
Joined: Feb 2010
Posts: 305
The Netherlands
JianisNl Offline

Backyard Mechanic
JianisNl  Offline

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The Netherlands
Originally Posted By: 40cabriolet
I understand the vacuum advance will rotate the distributor and mine works fine, but old216 hit the nail on the head. The distributor wobbles at idle and smooths old a lot when the engine is revved. Just very strange to see it wobble, never seen it happen in 60's or 70's engines.


In this case I should advice you to use a vacuum gage to determine if your manifold vacuum is steady at idle.If it is not you have to pinpoint the problems elsewhere other than the distributor

Jianis

Re: Distributor question for my 216 [Re: JianisNl] #232127
01/25/12 11:08 PM
01/25/12 11:08 PM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
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Florida
To all, when i replaced the distributor, it looked as if there was a bushing lower in the block where the lower end of the shaft slid into. I know there is no bushing on the on the top where the larger part of the distributor goes in. Also it seems as if it slips all the way in the block leaving room only for the vacuum advance to attach to the shaft. I have no problem with vacuum the top and wipers work fine and the car runs ok no evidence of a vacuum leak.

Re: Distributor question for my 216 [Re: 40cabriolet] #232139
01/26/12 12:25 AM
01/26/12 12:25 AM
Joined: Aug 2006
Posts: 1,326
Iowa
Uncle Ed Offline

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Uncle Ed  Offline

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I could be wrong, but I don't know of any bushing in the block. Could your distributer shaft be slightly sprung?


Ed
Re: Distributor question for my 216 [Re: Uncle Ed] #232141
01/26/12 12:26 AM
01/26/12 12:26 AM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
Grease Monkey
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Florida
Only if two were sprung the same way, i just installed a rebuilt from chevs of the 40 and it does the same thing.

Edgar

Re: Distributor question for my 216 [Re: 40cabriolet] #232144
01/26/12 12:47 AM
01/26/12 12:47 AM
Joined: Aug 2006
Posts: 1,326
Iowa
Uncle Ed Offline

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Iowa
It seems like I saw one that did that years ago but I don't know the cause or the cure. Hopefully some one will come up with some help.


Ed
Re: Distributor question for my 216 [Re: Uncle Ed] #232147
01/26/12 01:14 AM
01/26/12 01:14 AM
Joined: Jan 2002
Posts: 25,159
West Allis,Wi.
Chev Nut Online content

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The distributor will rotate due to the vacuum advance.
A slight wobble is not uncommon, some did it from new on.


Chevgene
Re: Distributor question for my 216 [Re: 40cabriolet] #232149
01/26/12 01:25 AM
01/26/12 01:25 AM
Joined: Oct 2009
Posts: 937
Hubbard,Ohio
chevy1937 Offline

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Hubbard,Ohio
Originally Posted By: 40cabriolet
To all, when i replaced the distributor, it looked as if there was a bushing lower in the block where the lower end of the shaft slid into. I know there is no bushing on the on the top where the larger part of the distributor goes in. Also it seems as if it slips all the way in the block leaving room only for the vacuum advance to attach to the shaft. I have no problem with vacuum the top and wipers work fine and the car runs ok no evidence of a vacuum leak.
I think he is looking at the oil pump when he refers to (a bushing in )lower end.

Re: Distributor question for my 216 [Re: chevy1937] #232151
01/26/12 01:32 AM
01/26/12 01:32 AM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
Grease Monkey
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Posts: 9
Florida
Not sure, just looking into the block when the distributor is out and the hole inside the block the bottom part of the distributor shaft slides into. It seems to move wobble more than a little, but I don't have anything to compare it to

How's Hubbard, my car is from Youngstown, Austintown actually, only been in Florida for 6 months. It was my father in law's, a member of the Mahoning Valley Olde Car club.

Edgar

Re: Distributor question for my 216 [Re: 40cabriolet] #232207
01/26/12 03:53 PM
01/26/12 03:53 PM
Joined: Oct 2002
Posts: 1,486
Rochester, NY
Beamer Offline

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Beamer  Offline

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Rochester, NY
carbana I can get rid of this nasty old problem for you. Just transfer the car to me (tee hee). I can come and get it any time! Beamer


Chat Region Member
1938 Master 2dr Sedan
2017 GMC Canyon
Re: Distributor question for my 216 [Re: Beamer] #232308
01/27/12 05:17 AM
01/27/12 05:17 AM
Joined: Aug 2006
Posts: 1,326
Iowa
Uncle Ed Offline

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Iowa
I was hoping Chevgene would reply to this, he knows these old cars better than most of us, if he says it is not unusual I don't think I would worry about a little wobble.


Ed
Re: Distributor question for my 216 [Re: Uncle Ed] #232316
01/27/12 09:15 AM
01/27/12 09:15 AM
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Posts: 4,218
Goulburn Australia
tonyw Offline

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I would not be overly worried about a slight movement due to the vacuum advance design.

Tony


1938 1/2 ton Hope to drive it before I retire
Re: Distributor question for my 216 [Re: tonyw] #232414
01/28/12 04:26 AM
01/28/12 04:26 AM
Joined: May 2002
Posts: 1,021
N.S.W.,Australia.
CJP'S 29 Offline
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Perhaps the "tongue" that fits into the oil pump drive slot has a slight bend in it? idea


CJP'S 29
Re: Distributor question for my 216 [Re: CJP'S 29] #232416
01/28/12 04:57 AM
01/28/12 04:57 AM
Joined: Dec 2007
Posts: 439
Iowa
Rusty 37 Master Offline
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Iowa
Note that Chevgene did respond.


Rusty

VCCA #44680
Re: Distributor question for my 216 [Re: Rusty 37 Master] #232440
01/28/12 02:58 PM
01/28/12 02:58 PM
Joined: Aug 2006
Posts: 1,326
Iowa
Uncle Ed Offline

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Yes, he said it was not uncommon and some did it from new.


Ed
Re: Distributor question for my 216 [Re: Uncle Ed] #232444
01/28/12 03:37 PM
01/28/12 03:37 PM
Joined: Jan 2002
Posts: 25,159
West Allis,Wi.
Chev Nut Online content

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Many years ago, like back in about 1951, we were viewing a Chevrolet service repair movie at a shop meeting. It showed doing something to the engine which was running at an idle speed and you could see the distributor wobbling - and we all had a good laugh.
First the distributor is a loose fit where it rides in the block which is necessary so it can be easily rotated by the vacuum advance. This would allow wobble - which dosen't hurt anything.


Chevgene
Re: Distributor question for my 216 [Re: Chev Nut] #232480
01/28/12 11:22 PM
01/28/12 11:22 PM
Joined: Jan 2012
Posts: 9
Florida
40cabriolet Offline OP
Grease Monkey
40cabriolet  Offline OP
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Florida
Thanx to everyone for all the feedback. It runs and runs ok with the wobble, won't worry about it. Just drive and enjoy!

Edgar


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