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09-20-2017, 04:08 PM | #21 | ||
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Join Date: May 2010
Location: ⓉⒺXⒶⓈ
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Re: New hi compression heads
Quote:
Quote:
I also noticed that you think you answered the original poster's question of milling a head"new out of the box" but he actually asked about heads that have been through hot cycles needing milling and if he should preheat his head a few times and then mill it to prevent the future warping that is associated with hot used heads. I feel I did not miss the point at all showing pictures of my hot used head and the amount of milling I had to do. The original poster states that he appreciates us sharing our insights and experiences. I did not put those steam holes in my head either. This head was on my car when I bought it. The head is also not low where the steam holes are. That area didn't warp. We all thank you for your input and sharing your knowledge. It is ok for multiple sources to share their personal experiences and it is ok that other peoples personal experiences differ from yours. The average high temperature for the year in Southborough MA is 64 degrees and average low is 45 degrees. The average high temperature for the year where I am is 84 degrees and the minimum is 65 degrees. We all experience different lives.
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-------------- Drive it like you know how to fix it! DMAFC / OILERS CC-MC Last edited by Jason in TX; 09-20-2017 at 04:48 PM. |
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09-20-2017, 04:15 PM | #22 | |
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Re: New hi compression heads
Quote:
Because the head was cracked, I threw it in the trash and went with a Snyders head. I've since driven the car all over Texas, Colorado, New Mexico, and Wyoming's Grand Tetons and Yellowstone. Working great!
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-------------- Drive it like you know how to fix it! DMAFC / OILERS CC-MC Last edited by Jason in TX; 09-20-2017 at 04:26 PM. |
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09-20-2017, 04:16 PM | #23 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: New hi compression heads
"The average high temperature for the year in Southborough MA is 64 degrees and average low is 45 degrees. The average high temperature for the year where I am is 84 degrees and the minimum is 65 degrees."
Holy buckets, both places sure beat the heck out of Minnesota weather. |
09-20-2017, 05:39 PM | #24 |
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Join Date: Oct 2010
Location: 40 Mt.Vickery Rd. Southborough,MA 508-460-0733
Posts: 352
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Re: New hi compression heads
Could of fooled us about Average temperature here this year.
You're right about the holes being no good if your engine is a Model A doesn't serve any purpose I also see that head is cracked and that's from overheating. Looking closely at the deck surface of the un machined head I can see a "This side up " Evidently must not of been a copper gasket. Brumfield was a stickler to have the correct copper gasket under his heads. Too bad you threw the head away as there was one on ebay and went for three hundred dollars that was cracked. We could of easily repaired it and plugged the holes. |
09-20-2017, 06:59 PM | #25 |
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Join Date: Apr 2011
Location: Davenport, Iowa
Posts: 2,105
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Re: New hi compression heads
Hi, Chuck in Sea/Tac -
Here's a link to an interesting read written by Larry Brumfield that is published on the Ford Garage's web site. It may provide answers to your original question, as well as present insights to the rest of us Model A guys interested in higher compression heads and their manufacture: http://www.fordgarage.com/pages/headflatness.htm. Marshall |
09-20-2017, 07:12 PM | #26 |
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Location: Illinois
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Re: New hi compression heads
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10-17-2017, 12:49 PM | #27 |
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Join Date: May 2010
Location: Between Seattle & Tacoma
Posts: 2,354
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Re: New hi compression heads
Well, I didn’t heat the head, but it wasn’t level and the machine shop took .007” off before it cleaned up. Not real happy about that.
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10-17-2017, 01:38 PM | #28 |
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Join Date: May 2010
Location: Lynden, Wa
Posts: 3,550
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Re: New hi compression heads
I bolted my 5.5 Snyder head on and she leaked. Took it to a shop and killed her flat. Ever since then it has been great. Not upset.
Mike
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