Iron Head Specialists ???

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Iron Head Specialists ???

Post  bruno on November 6th 2014, 10:56 am

what are these ? paper weights ? what are they good for ? thxs for the help.









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Re: Iron Head Specialists ???

Post  dfree383 on November 6th 2014, 11:11 am

Look like some run of the mill D3's too me.

They are better than having no car........
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iron heads

Post  hpwdboss1 on November 6th 2014, 11:15 am

need to know the cast # from pad at top by the exhaust port, outside. Will be on top left of photo. Probably a D series number. next digit indicates year as in d8 followed by  two more digits. Would mean a 1968 head casting. about 74 cc's. don't sell em to the scrap man, someone needs em for budget street, but not extremely valuable.
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Re: Iron Head Specialists ???

Post  dfree383 on November 6th 2014, 11:39 am

hpwdboss1 wrote:need to know the cast # from pad at top by the exhaust port, outside. Will be on top left of photo. Probably a D series number. next digit indicates year as in d8 followed by  two more digits. Would mean a 1968 head casting. about 74 cc's. don't sell em to the scrap man, someone needs em for budget street, but not extremely valuable.

Rocker arm pedestal's are wrong for an early head.
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Re: Iron Head Specialists ???

Post  IDT-572 on November 6th 2014, 11:45 am

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dfree383 wrote:Look like some run of the mill D3's too me.

They are better than having no car........

X2
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Re: Iron Head Specialists ???

Post  bruno on November 6th 2014, 11:52 am

only #s i can see are a 36 on one head and a 44 on the other by the spark plug hole. On the top side on top of one of the intake port runner (on both heads)there is a badge like with a # 4L29 .
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Re: Iron Head Specialists ???

Post  dfree383 on November 6th 2014, 11:53 am

bruno wrote:only #s i can see are a 36 on one head and a 44 on the other by the spark plug hole.  On the top side on top of one of the intake port runner (on both heads)there is a badge like with a # 4L29 .

1974 or 84.... L = Month of production 29 = day of production
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Re: Iron Head Specialists ???

Post  bruno on November 6th 2014, 11:55 am

dfree383 wrote:Look like some run of the mill D3's too me.

They are better than having no car........

there is an invoice , looks like they had some exhaust guides done for 235.00 .......

ive got them for zero .... ill just clean them up and wrap them im sure someone might need them

just didnt know if they would be worth taking the grinder too Very Happy
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Re: Iron Head Specialists ???

Post  dfree383 on November 6th 2014, 12:07 pm

they can make great power as far as factory iron heads go, the just have big chambers and getting compression needs a decent sized dome.

They are great low buck build stuff

You can cut the decks a whole bunch to get the chamber volumn down
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Re: Iron Head Specialists ???

Post  bruno on November 6th 2014, 12:34 pm

dfree383 wrote:they can make great power as far as factory iron heads go, the just have big chambers and getting compression needs a decent sized dome.

They are great low buck build stuff

You can cut the decks a whole bunch to get the chamber volumn down


thxs Dave
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Re: Iron Head Specialists ???

Post  nuclearcobra on November 8th 2014, 6:40 pm

hpwdboss1 wrote:need to know the cast # from pad at top by the exhaust port, outside. Will be on top left of photo. Probably a D series number. next digit indicates year as in d8 followed by  two more digits. Would mean a 1968 head casting. about 74 cc's. don't sell em to the scrap man, someone needs em for budget street, but not extremely valuable.
No a D would mean 70's a C8 would be a 1968
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Re: Iron Head Specialists ???

Post  Paul Kane on November 8th 2014, 7:31 pm

Judging by the images uploaded and the date code, they look to be D3VE-A2A's that were cast on November 29, 1984. If they are fully modified and outfitted for max effort use and then used in a max effort application, they should be capable of supporting 1500-2000 hp.
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Re: Iron Head Specialists ???

Post  dfree383 on November 8th 2014, 8:57 pm

Paul Kane wrote:Judging by the images uploaded and the date code, they look to be D3VE-A2A's that were cast on November 29, 1984. If they are fully modified and outfitted for max effort use and then used in a max effort application, they should be capable of supporting 1500-2000 hp.


Not N/A
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Re: Iron Head Specialists ???

Post  nuclearcobra on November 9th 2014, 6:29 pm

Paul Kane wrote:Judging by the images uploaded and the date code, they look to be D3VE-A2A's that were cast on November 29, 1984. If they are fully modified and outfitted for max effort use and then used in a max effort application, they should be capable of supporting 1500-2000 hp.
So the letter C,D,E or F doesn't mean 60's , 70's , 80's and 90's ?
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Re: Iron Head Specialists ???

Post  Paul Kane on November 9th 2014, 7:13 pm

dfree383 wrote:
Paul Kane wrote:...they look to be D3VE-A2A's... If they are fully modified and outfitted for max effort use and then used in a max effort application, they should be capable of supporting 1500-2000 hp.
Not N/A
Oh no, Dave, I actually did mean NA.




nuclearcobra wrote:
Paul Kane wrote:Judging by the images uploaded and the date code, they look to be D3VE-A2A's that were cast on November 29, 1984...
So the letter C,D,E or F  doesn't mean 60's , 70's , 80's and 90's ?
If you are referring to the component's engineering revision then, yes, that is what the letters mean.
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