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Old 04-26-2021, 01:10 PM   #1
funrunr
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Default NOS heads

Hello,
I have this pair of NOS aftermarket heads. They are made by Perfection Gear Co. out of Harvey Illinois. Obviously they made these heads and avoided copyright lawsuit by putting the name "FORA" on each head instead of Ford. I'm wondering if these were cheater heads or were they intended for stock replacement. Are they desirable? (I'd love to see them polished) The original box states they are for Ford 85 HP or Mercury 95 HP engines.
If anyone of you can shed some light on these, I would appreciate it.
Attached Images
File Type: jpg fhd bx2.jpg (63.0 KB, 160 views)
File Type: jpg fhd all.jpg (83.7 KB, 724 views)
File Type: jpg fhd info.jpg (56.9 KB, 147 views)
File Type: jpg fhd hd.jpg (108.0 KB, 725 views)
File Type: jpg fhd hd2.jpg (114.4 KB, 719 views)
File Type: jpg fhd hds.jpg (77.6 KB, 88 views)
File Type: jpg fhd hds2.jpg (84.0 KB, 82 views)
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Last edited by funrunr; 04-27-2021 at 05:17 AM.
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Old 04-26-2021, 01:15 PM   #2
Kube
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Default Re: NOS heads

Check the volume (in CC's) of a combustion chamber. That'll tell you if they are "cheaters" or not.
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Old 04-26-2021, 01:41 PM   #3
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Default Re: NOS heads

Quote:
Originally Posted by funrunr View Post
Hello,
I have this pair of NOS aftermarket heads. They are made by Perfection Gear Co. out of Harvey Illinois. Obviously they made these heads and avoided copyright lawsuit by putting the name "FORA" on each head instead of Ford. I'm wondering if these were cheater heads or were they intended for stock replacement. Are they desirable? (I'd love to see them polished) The original box states they are for Ford 85 HP or Mercury 95 HP engines.
If anyone of you can shed some light on these, I would appreciate it.




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Old 04-26-2021, 01:45 PM   #4
mike in tucson
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Default Re: NOS heads

I have one of these FORA heads that is brand new. On mine, the FORA is larger font and above the "made in usa" text. Decent casting.
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Old 04-26-2021, 03:31 PM   #5
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Default Re: NOS heads

No pictures of the important side of the heads.

Sal
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Old 04-26-2021, 03:31 PM   #6
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Old 04-26-2021, 04:03 PM   #7
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Default Re: NOS heads

Yes,,,,,I would love to see how the chamber side looks on these heads .

Tommy
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Old 04-26-2021, 04:36 PM   #8
funrunr
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Default Re: NOS heads

Them pics wouldn’t upload for some reason. I will have to import to my PC and upload the chamber side pics from PC. Thanks, I’ll figure it out tonight.
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Old 04-26-2021, 06:05 PM   #9
mike in tucson
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Default Re: NOS heads

FORA Head combustion chamber
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Old 04-26-2021, 06:41 PM   #10
petehoovie
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Default Re: NOS heads

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FORA Head combustion chamber
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"Silver rings, your butt! Them's washers!"
"We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969

https://www.youtube.com/watch?v=7NReUd2_0u0
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Old 04-26-2021, 08:13 PM   #11
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Default Re: NOS heads

That looks like a normal large chamber.
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Old 04-26-2021, 11:21 PM   #12
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That looks like a normal large chamber.
Normal would be cast iron.
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Old 04-27-2021, 05:30 AM   #13
funrunr
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Default Re: NOS heads

Thanks guys, although I did not check the cc's like Kube suggested, I did compare side by side with an iron head. Other than the obvious aluminum VS steel, they appear to both be the same size. I'm going to conclude they were just a stock replacement head except aluminum. The company was in Illinois from 1890 until 1962. Not much other info about the heads or company readily available without much investigating.
As always, I appreciate everyone's input. Have a great day
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File Type: jpg fhd hds.jpg (77.6 KB, 409 views)
File Type: jpg fhd hds2.jpg (84.0 KB, 35 views)
File Type: jpg fhd hd.jpg (108.0 KB, 47 views)
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Old 04-27-2021, 01:06 PM   #14
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Default Re: NOS heads

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Originally Posted by funrunr View Post
Thanks guys, although I did not check the cc's like Kube suggested, I did compare side by side with an iron head. Other than the obvious aluminum VS steel, they appear to both be the same size. I'm going to conclude they were just a stock replacement head except aluminum. The company was in Illinois from 1890 until 1962. Not much other info about the heads or company readily available without much investigating.
As always, I appreciate everyone's input. Have a great day
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The only thing nice about being imperfect is the joy it brings to others....

"Silver rings, your butt! Them's washers!"
"We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969

https://www.youtube.com/watch?v=7NReUd2_0u0
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Old 04-27-2021, 01:31 PM   #15
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Default Re: NOS heads

I feel "picky" today; those are NORS heads, not NOS.

NORS means "New Old Replacement Stock". I think we all know what NOS means.
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Old 04-27-2021, 01:33 PM   #16
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Default Re: NOS heads

Without doing the research, and from observation of the pictures provided, it becomes obvious that the sand casting molds that made these heads originated with a cast iron Ford Script head. Those with any degree of sand casting mold experience can substantiate this from the pictures alone. This fact in itself proves the heads to be a low budget ripoff product. I would think them to be of wall hanger value.
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Old 04-27-2021, 02:13 PM   #17
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Default Re: NOS heads

I think it would be difficult to just use an existing Ford head as the cast model, directly that is. There is a lot of shrinkage with a casting, everything would be move so that they would line up!
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Old 04-27-2021, 02:17 PM   #18
mike in tucson
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Default Re: NOS heads

Hey! My single RNOS FORA head is not a wall hanger! It is a door stop. Wall hangers dent the floor when they fall.
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Old 04-27-2021, 02:39 PM   #19
ford38v8
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Default Re: NOS heads

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Originally Posted by JSeery View Post
I think it would be difficult to just use an existing Ford head as the cast model, directly that is. There is a lot of shrinkage with a casting, everything would be move so that they would line up!

A single use paper mache female mold is made from the original male model. As for shrinkage/movement, you can see the slight misalignment at the precise placement of the stud holes. Rework blemishes around the FORA are visible also. 7 nubs remain from casting overflow holes.
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Old 04-28-2021, 02:10 PM   #20
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Default Re: NOS heads

Hello all,

New member here.

Looking forward to learning a lot from you all.
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