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Tod 05-05-2017 06:33 PM

New block
 

1 Attachment(s)
I just got an 8BA engine in that I plan on using the block for designing a new 8BA block. I need to tear it apart and then I can begin modeling up a new one with whatever improvements people can come up with. Any positive input will be appreciated.

I have several people already interested in these.

Tod

mountstimothy0 05-05-2017 06:42 PM

Re: New block
 

Cool where ya get it

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JSeery 05-05-2017 06:45 PM

Re: New block
 

Good luck, been tried several times before!

Tod 05-05-2017 06:45 PM

Re: New block
 

Quote:

Originally Posted by mountstimothy0 (Post 1468599)
Cool where ya get it

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A junkyard.

Tod

mountstimothy0 05-05-2017 07:02 PM

Re: New block
 

Where in logansport

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Charlie Stephens 05-05-2017 07:13 PM

Re: New block
 

Tod,

I wonder if there would be more of a market for the pre 1948 24 stud blocks? I believe that they are shorter and a better fit for the early cars. I am just an observer and not a customer for either.

Charlie Stephens

mhsprecher 05-05-2017 07:52 PM

Re: New block
 

It seems that the old blocks had a tendency to crack. If you could eliminate that tendency, it would be great. I assume a design flaw in the original block, but what do I know?

deuce_roadster 05-05-2017 07:54 PM

Re: New block
 

Thicker decks, stronger main bearing web area, move end exhaust ports out and enlarge.
Hope you have deep pockets.

Ol' Ron 05-05-2017 08:15 PM

Re: New block
 

If you really want to reproduce this block, I suggest you talk to JWL and Ray Fedrosky. I also believe the block must be capable of receiving ALL fors original pieces parts.
Good luck

RalphM 05-05-2017 10:30 PM

Re: New block
 

Go man Go!
Flatheads Forever!
put an extra hole in the rear oil port to make the full flow oiling option easier, and thread ithe passage for a plug. I think a lot of the Canadian motors were done that way.

Tod 05-06-2017 07:05 AM

Re: New block
 

Quote:

Originally Posted by JSeery (Post 1468602)
Good luck, been tried several times before!

Is there no need for one?

Tod

Tod 05-06-2017 07:09 AM

Re: New block
 

Quote:

Originally Posted by deuce_roadster (Post 1468637)
Thicker decks, stronger main bearing web area, move end exhaust ports out and enlarge.
Hope you have deep pockets.

I like those ideas, but I want it to accept stock parts. I could always make alternate versions for the guys that want 8 exhaust ports and a couple of other non-stock ideas.

Why would I need deep pockets? This is far from my first block project.

Tod

JSeery 05-06-2017 08:12 AM

Re: New block
 

Quote:

Originally Posted by Tod (Post 1468734)
Is there no need for one?

Tod

Don't think it is a question of need, it is a question of cost. The price would be way beyond the means of almost any interested buyer and the market very limited. About the only market would be Hot Rodders, competition bodies would not allow it and it is not original for the restoration folks.

To cast a block out of cast iron would be very difficult, developing the cores would be very difficult, on and on. The machine work along would be a major cost factor. I'm all for it if it could be done.

Tod 05-06-2017 09:28 AM

Re: New block
 

2 Attachment(s)
Quote:

Originally Posted by JSeery (Post 1468766)
Don't think it is a question of need, it is a question of cost. The price would be way beyond the means of almost any interested buyer and the market very limited. About the only market would be Hot Rodders, competition bodies would not allow it and it is not original for the restoration folks.

To cast a block out of cast iron would be very difficult, developing the cores would be very difficult, on and on. The machine work along would be a major cost factor. I'm all for it if it could be done.

So, this will be more difficult than anything else I've ever done? How much would it cost me to machine a block on one of my Horizontal CNC machines? More than the FE blocks I have done, or Clevelands, or Model A blocks?

Tod

JSeery 05-06-2017 09:34 AM

Re: New block
 

Yes, LOL. The flathead is a totally different animal. What are the foundry estimates? And who is building the core boxes? I have foundry experience and core design and manufacturing experience and know the cost involved. How many hours is involved in the machine work on say an FE block?

SofaKing 05-06-2017 09:59 AM

Re: New block
 

Tod, I realize you asked for suggested improvements, but for those of us that have not built a block, can you walk us through how you do it? I imagine things like lost foam and 3-d printers but would like to hear how you go about it.

JSeery 05-06-2017 10:00 AM

Re: New block
 

He does very impressive work. https://www.jalopyjournal.com/forum/...-works.616056/

corvette8n 05-06-2017 10:05 AM

Re: New block
 

I've seen 3D printed sand cores, I say go for it, would you cast in aluminum?, its getting harder and harder to find decent rebuildable blocks.

51 MERC-CT 05-06-2017 10:29 AM

Re: New block
 

Just a couple of things to shoot for.
Perhaps concentrating on the bore size limitations of the blocks as they are. Allow extra material that would permit boring to an oversize that is more desirable to some without compromising reliability.
And give attention to better intake and exhaust flow characteristics.

Tod 05-06-2017 11:00 AM

Re: New block
 

Quote:

Originally Posted by JSeery (Post 1468797)
Yes, LOL. The flathead is a totally different animal. What are the foundry estimates? And who is building the core boxes? I have foundry experience and core design and manufacturing experience and know the cost involved. How many hours is involved in the machine work on say an FE block?

I have been in the industry for 40 years and have made castings much more difficult than a V8 flathead block. I have the ability to do all the design work, tooling work, and machine work. Core boxes are not hard to make. My first trade is pattern making. Engine blocks, even this one, are far from the most difficult thing I have done.

An example of machine time would be my Model A first OP which is most of the block, takes 5 hours running at 25% rapid travel and 40% feed rates. That is on my Toyoda FH55. I can cut a Cleveland or FE block in less than 20 hours on slow feed rates. I use slow feed rates because I am usually doing other things at the same time so I don't have to be hovering over all machining that is going on.

A casting this simple would probably be around $900. My investment will be negligible, so it allows me to make a return with little in it. I am also in the process of buying more foundry equipment than I already have to expand into pouring my own blocks. Even if I didn't, I have quality foundry people to count on.

Tod


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