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Old 02-12-2020, 08:40 AM   #1
bettlesr
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Default High compression head

Are Tod's new iron 7:1 Winfield heads available anywhere or does anyone know when they will be?
Thanks
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Old 02-12-2020, 12:08 PM   #2
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Default Re: High compression head

Inquiring minds want to know.
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Old 02-12-2020, 04:41 PM   #3
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Default Re: High compression head

Interested as well
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Old 02-12-2020, 07:19 PM   #4
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Default Re: High compression head

I will be casting some as soon as I run B heads. I have at least a dozen to cast. They are more like 6:1. The iron Thomas are 7:1.


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Old 02-15-2020, 01:25 PM   #5
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Default Re: High compression head

Tod:
Where could I get an IRON Thomas head?
Thanks
Dick
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Old 02-15-2020, 03:54 PM   #6
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Originally Posted by bettlesr View Post
Tod:
Where could I get an IRON Thomas head?
Thanks
Dick

Only from me.


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Old 02-15-2020, 03:55 PM   #7
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Default Re: High compression head

Winfield casting will begin Monday.



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Old 02-16-2020, 02:39 PM   #8
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Default Re: High compression head

Looking for a cast iron 7:1 as well.
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Old 02-17-2020, 07:04 AM   #9
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Default Re: High compression head

Who, what, where do I order a cast iron Thomas head? Cost?

Thanks,
Ken
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Old 02-17-2020, 04:29 PM   #10
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Who, what, where do I order a cast iron Thomas head? Cost?

Thanks,
Ken

Iron Thomas are only available through me.


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Old 02-18-2020, 08:17 AM   #11
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Default Re: High compression head

Picked up some intakes last night when I dropped off the mold sand for the next aluminum 5 main Model A engine block. We are planning to pour the aluminum block Saturday 2/22. This week should also see iron B heads, Winfields, and a sample 3 main iron block poured as well.


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Old 02-18-2020, 10:37 AM   #12
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Default Re: High compression head

I would also eventually like an iron thomas
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Old 02-19-2020, 02:39 AM   #13
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I would also eventually like an iron thomas

I have cores being made for some right now.


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Old 02-19-2020, 06:35 AM   #14
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I have cores being made for some right now.


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What's the going price?

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Old 02-19-2020, 09:21 AM   #15
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What's the going price?

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It will depend on the foundry price. I would estimate in the $600-650 area.


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Old 02-19-2020, 11:43 AM   #16
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Default Re: High compression head

id jump on the bandwagon except I just spent a whole bunch on this B project last week. it will have to wait for me
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Old 02-19-2020, 01:06 PM   #17
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Default Re: High compression head

For those spectating, here is a great post I found that tests multiple combinations of HC heads, intake modifications, and plugs. Tests include a Thomas 7:1.

http://www.rarecarrelics.com/tests-t...ord-engine.php

Bottom line seems to be that HC heads produce significantly improved performance by themselves at low RPM, up to about 1500-2000. That makes them a good investment for better performance in stop-and-go traffic. Once you get past that, other limiting factors become dominant, most prominently the intake and exhaust constraints.
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Old 02-19-2020, 04:10 PM   #18
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Default Re: High compression head

Hi Tod. Do you have any picture that can be posted of both the Thomas and Winfield exterior configurations? I am curious about the looks of each one. Thanks, Steve
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Old 02-19-2020, 09:03 PM   #19
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Hi Tod. Do you have any picture that can be posted of both the Thomas and Winfield exterior configurations? I am curious about the looks of each one. Thanks, Steve

Thomas head.
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Old 02-19-2020, 09:14 PM   #20
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Originally Posted by steve hackel View Post
Hi Tod. Do you have any picture that can be posted of both the Thomas and Winfield exterior configurations? I am curious about the looks of each one. Thanks, Steve

Winfield original chamber. I also make this with a Weiand crow foot chamber, and the Winfield crow foot. Iron or aluminum on this and the Thomas. Aluminum Thomas is only available from Snyder, unless there is a flaw, in which case I can sell discounted as a blem.



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