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Old 04-09-2020, 01:43 PM   #1
Tod
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Default My first iron OHV casting!

Here is the first iron OHV casting. Still needs cleaned up and final shot blasting. I think it came out very nice for the fist one.


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Old 04-09-2020, 02:27 PM   #2
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Default Re: My first iron OHV casting!

Impressive!
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Old 04-09-2020, 02:34 PM   #3
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Default Re: My first iron OHV casting!

From someone that doesn't know what they are looking at, I think that looks very nice. Where would the spark plug be located in such a head?
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Old 04-09-2020, 02:45 PM   #4
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Default Re: My first iron OHV casting!

Tod, your work never ceases to amaze me!
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Old 04-09-2020, 02:51 PM   #5
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Default Re: My first iron OHV casting!

It looks like both the exhaust and the intake valves are in the head. Is the head based on an existing design or is it a new design?

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Old 04-10-2020, 05:08 PM   #6
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Default Re: My first iron OHV casting!

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Quote:
Originally Posted by California Travieso View Post
It looks like both the exhaust and the intake valves are in the head. Is the head based on an existing design or is it a new design?

David Serrano
It’s a copy of my original Scholfield 1930, which I loaned to him for copying. It was after Miller and before Cragar.
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Old 04-11-2020, 08:49 AM   #7
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Default Re: My first iron OHV casting!

Quote:
Originally Posted by hardtimes View Post
It’s a copy of my original Scholfield 1930, which I loaned to him for copying. It was after Miller and before Cragar.

It's a close copy. I think my ports will flow better than the original. Flow testing will be done asap.


Thanks to hardtimes for sure.



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Old 04-11-2020, 01:17 PM   #8
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Default Re: My first iron OHV casting!

How about looking at putting a quench type combustion chamber in there also while your at it.
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Old 04-12-2020, 04:16 PM   #9
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Default Re: My first iron OHV casting!

Quote:
Originally Posted by Dodge View Post
How about looking at putting a quench type combustion chamber in there also while your at it.

After testing I will see if it needs it or if we can gain something. Initially, I just wanted to copy what Hardtimes sent.


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Old 04-09-2020, 09:17 PM   #10
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Default Re: My first iron OHV casting!

I'm impressed! Very Nice as always!
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Old 04-10-2020, 01:25 AM   #11
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Default Re: My first iron OHV casting!

I'm curious about the valve stem casting, does having it extend so close to the valve choke the air flow or is it a benefit, on the intake side at least?
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Old 04-10-2020, 07:31 AM   #12
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Default Re: My first iron OHV casting!

Impressive!!!
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Old 04-10-2020, 06:27 PM   #13
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Default Re: My first iron OHV casting!

Thanks Hardtimes.

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Old 04-12-2020, 01:28 PM   #14
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Default Re: My first iron OHV casting!

Nice work. Your dedication is an inspiration.
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Old 04-12-2020, 03:43 PM   #15
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Default Re: My first iron OHV casting!

You are to be commended, Tod. Thank you.
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Old 04-12-2020, 09:51 PM   #16
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Default Re: My first iron OHV casting!

Tod,
The casting looks really good, post more pics.
Thanks, John
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Old 04-13-2020, 06:39 AM   #17
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Default Re: My first iron OHV casting!

Tod, how do you establish the internal shapes of the water passages?
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Old 04-13-2020, 09:13 AM   #18
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Default Re: My first iron OHV casting!

Tell us about the valve train, is it one you are making, or is it one you are adapting from another motor?
Where are the push rods coming from, made special for this engine or from another motor?
On the spark plug question I assume those will be cut in after the casting, or can't we see them from the angle of the views?
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Old 04-13-2020, 10:47 PM   #19
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Default Re: My first iron OHV casting!

You guys always show me the neatest stuff on this board. Very cool!
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Old 04-14-2020, 11:40 AM   #20
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Default Re: My first iron OHV casting!

Picked up some more cylinder head bullion today. 12 Winfield iron and the first OHV iron sample. They look very nice. Can't wait to machine the OHV. Winfield machining has already run parts.


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