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Forums->Hot Heads Tech Talk->Aluminum Desoto Cylinder Heads

gullwing
Aluminum Desoto Cylinder Heads


After years of thinking about it I think I am going to start work on casting some aluminum cylinder heads for my Desoto. I took the first step the other day. I sliced up a junked head in a band saw. Trying to get a picture of how many different cores I will need to make and what they look like. I am interested in any constructive feed-back. Anyone on this forum with any experience doing this?
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on: Sat 25 of Feb, 2017 [00:02 UTC] reads: 3102

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gullwing
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Re: Aluminum Desoto Cylinder Heads
on: Mon 06 of Mar, 2017 [00:15 UTC] score: 0.00
Bill,

Thanks for responding to my post. First, let me say I havn't got $50K to put into this project however I don't think it will cost me that much. I have made quite a few projects in the past including an aluminum intake, serpentine belt pulleys, mounting brackets for A/C and power steering pump for my Desoto (as well as heaps of other car and motorcycle parts). Clearly though nothing as complex as the heads. I imagine if I had to pay someone to design them, yes, they would cost a lot. I however intend to copy the originals. I have considered raising both the intake and exhaust ports by 2 mm however I doubt anyone else would be able to use them then. They would work great for me though. In any case the current challenge is to create the cores for the water jackets. So I have cut a head in slices and will see if I can get molds from the jackets. Then glue them together and make a core that I can use to make a mold. Intake and exhaust ports should be simple. I used silicone rubber when I made my intakes. Will do likewise.
The foundry I am working with just bought equipment for 3D printing and are keen to use it. So me coming to them with this project is timely. I expect it will be costly to machine the heads however if I am that far along in the project I might be able to trade some cylinders for some machine work.

richardwalters3rd@gmail.com

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billm
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Re: Aluminum Desoto Cylinder Heads
on: Tue 28 of Feb, 2017 [19:28 UTC] score: 0.00
Hi Gullwing,
I have thought about this too- for many years. Perhaps you're the guy that wrote about this several years ago- mentioning that he'd do it as a "labor of love", and not for financial benefit. I hope you realize the effort, expertise, and cost involved in this endeavor. Have you talked to a pattern maker, foundry, and machine shop yet? I estimate your cost for designing, tooling, and prototyping the heads will be at least $50k. If you have that kind of money to spend, I may be able to help. My name is Bill, and I designed and manufacture the VintageV8s DeSoto manifolds that Hot Heads sells. I'm a mechanical engineer, know about the DeSoto Hemi, and have contacts with people that can tool and produce the head. I can design the head.
If you are interested, reply to this post and let me know how I can contact you.
Thank you, Bill



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