Iron heads boss 429 EX part#

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Iron heads boss 429 EX part#

Post  awmach on August 28th 2012, 8:15 pm

I found some Iron heads boss 429 EX part#, they have been in an attic for yrs.
1 might be cracked ,lots of mods.
peds. milled down for Jessels ,spacers on intake side (for high block)
the mag.covers have spacers WELDED to them ugh!
Blower intake extended for 8 or 10? 71
clutch o matic? c6, weird, not interested
valve covers have ford in raised letters!
they are refuges from a pulling tractor?
I can't find much on the web? Does anyone know what a fair price dould be?
or what they are ? do they use a boss block? I'm thinking old shcool build (street car)



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Re: Iron heads boss 429 EX part#

Post  jasonf on August 28th 2012, 8:41 pm

I'm confused? Do you have a set of iron boss heads or just an EX?

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Re: Iron heads boss 429 EX part#

Post  schmitty on August 28th 2012, 9:14 pm

Jason, yes he does have a set of the iron BOSS heads. They are really heavy, and if modded much they should be checked out by someone who knows what to look at. As far as value, they are worth scrap price if they are cracked or unusable, and if they are in useable condition, they are worth whatever a buyer is willing to pay for them. Laughing There was a set on here a long time ago that a guy had and he was asking $5k for a bare set that IIRC were never used and like new with surface rust. They are fairly rare, but there is little desireability to them in a performance application as there are much better performance heads out there that weigh a lot less. In a factory iron class that would allow them, they would be the best of the best. Not sure if there is a way to use them on a standard block, but there are quite a few on here that can address that question. Cool

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Re: Iron heads boss 429 EX part#

Post  466cj on August 28th 2012, 9:38 pm

Some place around here I have a Hot Rod mag from 1968 with a Boss 429 on the cover with those heads and valve covers. Has one or two pages about the engine details. Those heads and valve covers are prototypes for the Boss 429 engine. The VC's did not clear the MC in the Boss 429 Mustang so they were changed. The heads are (from memory) about the same as production Boss 429 heads, although seem to recall some differences on the rocker mounts. Need to dig out that mag.

Sounds like the stuff you have has been modded a good bit over the years.

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Re: Iron heads boss 429 EX part#

Post  JBR-3 on August 28th 2012, 11:18 pm

Hello,
I believe the valve geometry/location is identical to the standard aluminum
boss heads, so the Jesel rockers should work (from a geometry standpoint).
The spark plugs are in the same location. The valve cover bolt pattern is different,
the four upper bolts, so a convenventional V/C gasket is different.
Not 100% positive on the intake/exhaust bolt patterns, might be different, might not.
Value ? Who can say ? Which parts, if any, are you interested in selling ?

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Re: Iron heads boss 429 EX part#

Post  jasonf on August 29th 2012, 4:47 am

Wow those things must weigh a ton.. Shocked I'll give you $50 for them if they are cracked. lol! lol!

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The part number is EX1444 42$32

Post  awmach on August 29th 2012, 6:37 am

The part number is EX1444 42$32 at least I think that's a part#?
EX = expermental?
I haven't bought them yet but being a ford freak I want em!
I did buy all his Mickey Thompson alumiunum rods (wall hangers ,christmas presents)
Value appears to be 0-3000? But somebody has to know more about them
Thanks

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Re: Iron heads boss 429 EX part#

Post  bigblok2000ranger on August 29th 2012, 9:56 pm

PM Rich Wilhelm aka Boss 429 he knows a good bit about the Ford Hemis he may be able to help you.

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Re: Iron heads boss 429 EX part#

Post  dfree383 on August 29th 2012, 9:59 pm

They are ford experimental parts, the where origional intended for industrial / marine applications. Some where reliesed to some fueler racers because of issues with the aluminum castings in extreme applications.

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Re: Iron heads boss 429 EX part#

Post  466cj on August 30th 2012, 12:19 am

Somehow I do not think I will ever find a shotgun 429 powering an irrigation pump although if there is I want to see a picure of it Shocked Laughing Cool

Here is the article from 1968. Not too much detail, but certainly real information of value and a neat piece of history. BTW it was common for Ford to cast heads in iron back then when on a tight development schedule as it was just easier and gave a better yield. Most of the 427 SOHC heads were cast iron.

Looking at the one picture they did cast in the rocker stanchions, but noted would not for production. They also mention a NASCAR and Drag race version with the drag version being oiled via pushrod which clearly did not make it. Is interesting to note the intake valve in the prototype head was 2.47", yet the chamber was the "Blue Crescent",not the full NASCAR hemi. The head also has no coolant passage on the intake side as the coolant was taken out the front of the head like on the race engines. Intake bolt pattern is different than production in the coolant passage area. Exhaust hard to say.

Steve






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Re: Iron heads boss 429 EX part#

Post  dfree383 on August 30th 2012, 12:35 am

The Iron version had a number of intended uses, their where alot of Military projects in the 60's requiring high HP, multi fuel engines IE Patrol Boats, Pumps Ext. But from my understanding it never reached actual production for the Industrial and Boat use. I've never heard why, But I'd assume Ford probably wasn't sucessfull in the bidding to the Goverment? or found other existing powerplants to be sufficient?


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Great Info!

Post  awmach on August 30th 2012, 8:35 am

Great Info! Thanks to you all!
I did not get pics as it was dark in the barn attic but magazine pics look close.
I hope to talk to the gentlemen again soon ,still don't have a price from him?
0-3000 I'm thinkin ?
Intake and oiling may be a puzzle? and how to showcase it

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Re: Iron heads boss 429 EX part#

Post  466cj on August 31st 2012, 11:05 am

dfree383 wrote:The Iron version had a number of intended uses, their where alot of Military projects in the 60's requiring high HP, multi fuel engines IE Patrol Boats, Pumps Ext. But from my understanding it never reached actual production for the Industrial and Boat use. I've never heard why, But I'd assume Ford probably wasn't sucessfull in the bidding to the Goverment? or found other existing powerplants to be sufficient?


That is interesting thought to say the least. From the little I know the 427 SOHC and Boss 429 programs were targeted at NASCAR and drag race application, although some Boss 429 stuff was used in road racing. From what I've seen looks like in the 60's the 427 FE was the choice for industrial and marine applications. Would be so useful to be able to talk to some of the engineers who designed all this stuff back then.

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Re: Iron heads boss 429 EX part#

Post  jeffgfg on August 31st 2012, 6:44 pm

Actually There were a few sets floating around the northeast years ago (late 70's) as a engine builder that did work on my 429scj had several sets in his shop. I remember that he said that the iron heads used a different intake than the aluminum heads. I don't remember where or who they were for but they were the first Boss 429 heads I saw that weren't on a car. Had I only known.......

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Re: Iron heads boss 429 EX part#

Post  BOSS 429 on September 2nd 2012, 10:41 am

they made 3 diff styles of this head, 1 was a hyd cam,non adjustable rocker w/cast on stands,then an open stand like the alum head, 3rd had removable stands


5500.00 and I'll sell a pair new in the box

these heads were made for off shore racing

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