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#1356623 04/22/2020 7:51 PM
Joined: Oct 2019
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Wrench Fetcher
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hello,so ive posted about my engine before,just bought this truck a few weeks ago(1946 gmc 1/2 ton) with what I was told was a 228 engine but thinking its a 236 by the number stamped behind the distributor
anyway my question is are the distributors all the same ?,I decided to check out the timing and found the vacumn advance must be no good,i put a manual vacumn pump on it and can not get it to move
thanks for any help


WILLIAM A GOVE
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'Bolter
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Take the cap off and look at what delco numbers are on the point plate and post back.


Mike
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I don't see any numbers,it looks as though the point plate may have been replaced
Attachments
46 dist .jpg (42.5 KB, 122 downloads)
46 distributor.jpg (32.71 KB, 119 downloads)


WILLIAM A GOVE
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'Bolter
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That’s a first for me. I have never seen a blank plate.


Mike
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'Bolter
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Early GMC distributors usually have a tag on the outside and are not stamped on the points plate.


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'Bolter
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I learn something new here every day! Dave, would the point plate be completely devoid of any markings at all?

Last edited by Dragsix; 04/23/2020 1:13 AM.

Mike
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'Bolter
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That is my recollection.


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Insomniac
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If all you need is a new vacuum advance unit, this looks like it's universal...
https://www.classicparts.com/1937-62-Vacuum-Advance-Stud-Type-6-Cylinder/productinfo/83-274/#


Gord 🇨🇦
----
1954 1/2 ton 235 4 speed
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thank you Gord I think ill give that a shot


WILLIAM A GOVE

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