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Re: Drill out broken exhaust manifold stud- water/antifreeze!
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Thanks Wesley— I guess my main question and concern is: Do the exhaust manifold studs normally communicate with the underlying water jackets? If not, I guess it’s possible that someone previously drilled too deep and connected with a water jacket. Crack in the block? It’s hard to imagine that a bad head gasket could cause this given the location of the stud holes.

Any thoughts?

Posted on: 2019/4/18 17:24
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Re: Drill out broken exhaust manifold stud- water/antifreeze!
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Just realized I forgot to say that this is a 1931 840 engine- thanks!

Posted on: 2019/4/18 15:58
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Drill out broken exhaust manifold stud- water/antifreeze!
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Per a previous post, I am re-porcelainizing my intake and exhaust manifolds. Unfortunately, one of the exhaust manifold studs was corroded and broke about 1/2 inch above the flush surface. I used lots of penetrating oil and heat but when I tried to remove it, it broke again about 1/4 inch inside the drilled stud hole. Today, I decided I would have to drill it out, so I started with a very narrow 1/16 bit and to my surprise, it drilled very easily and before I know it I was through the stud, but when I pulled the bit out antifreeze came shooting out through the hole I had drilled through the broken stud! I had noticed that the freeze plugs were located on the same horizontal level as the studs, so I guess it makes sense that the water channels communicate completely with the drilled exhaust stud holes. I've drained the water to a level below the holes, and I suppose I will continue to drill out the broken stud or try an easy out. Does anyone have any experience or words of wisdom with this. I don't think I can do any harm continuing to drill out the broken stud, but I'd appreciate any feedback from anyone who has more knowledge.

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Posted on: 2019/4/18 15:38
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Re: Videos - 1922 & 1932 Packards
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Nice videos!

Posted on: 2019/1/25 13:41
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Re: Porcelain coating recommendation - manifold
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
I spoke with Tom with Prairie Auto Porcelain, and he and his son do all the work and have extensive experience. He said that they ceramic coat the manifolds first and then apply a porcelain coat. He texted me photos of some '31 Packard manifolds they had done- beautiful. I'm going to send it to him. I just have to decide whether to do both exhaust and intake- intake manifold pieces look good, not chipping, but focally dull in some areas. I'm afraid that if I only do the exhaust, it might make the intake look bad! Any thoughts?

Posted on: 2019/1/25 13:32
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Re: Advance Electrical Re Builders
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Jason currently has my Owen Dyneto Generator for my 840. He came highly recommendeded, so I'm looking forward to have a working and beautiful generator!

Posted on: 2019/1/23 15:09
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Re: Porcelain coating recommendation - manifold
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Thanks to all for your replies- I really wish there was a ceramic coating product that had the beautiful shine of porcelain, but I'm not aware of one. I ceramic coated my Etype manifolds and sacrificed the porcelain look, but I think I'm going to stick with porcelain for the 840. So sounds like Prarie (Minnesota) and Porcelain Enamel (Missouri) are the two options.

I really appreciate everyone's input!

Posted on: 2019/1/23 14:41
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Porcelain coating recommendation - manifold
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Hi everyone- I'm looking for a recommendation for OEM exhaust manifold porcelain coating for my 1931 Packard 840. Any thoughts or experience with good companies?
Thanks in advance!

Posted on: 2019/1/21 12:37
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Re: Generator rebuild recommendation
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
Thank you Dave!

Posted on: 2018/12/20 15:34
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Generator rebuild recommendation
Quite a regular
Joined:
2018/10/20 8:19
From Atlanta, GA, USA
Posts: 30
I would greatly appreciate recommendations for an experienced shop to rebuild my Owen-Dyneto generator for my 1931 Packard 840. It is stamped DN-860, but I believe this is an error, since DN-860 should be an Owen-Dyneto starter for 1928-1930 (443,640,740) cars. The correct generator for 1931 (840) should be model CL-896, and I think that's what I have. As I understand it, bench testing requires additional equipment.
Recommendations anyone?
Thanks.

Posted on: 2018/12/20 7:56
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