Help identifying these heads.

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Help identifying these heads.

Post  Mustang-junky on April 25th 2013, 5:52 pm

I bought these heads recently. They were advertised as Blue Thunder heads with raised ford exhaust ports. They don't look like any Blue thunder heads I have ever seen pictures of. Actually there is no identifying marks on them. There was something stamped on the end of one of them, but someone stamped a bunch of "X"s over the letters/numbers. Anyone know what these are? Are they worth sinking some money into? One disassembled one needs the guides done.

Thanks.

Jess













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Re: Help identifying these heads.

Post  dtimmer on April 25th 2013, 8:14 pm

I went and looked at these in person. I was puzzled myself. They look as if some one had a field day on welding them. Or was poorly cast, as they have some extreme porosity on the entire head. If you look close in the pics you can see this. But some parts of the head do resemble a blue thunder.

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Re: Help identifying these heads.

Post  Mustang-junky on April 25th 2013, 8:31 pm

Ya, no doubt they have been passed from person to person for some time now.

The porosity does bother me. Funny thing is that I recently bought a set of small block ProComp heads, they look real nice compared to these. Sad Anyway the guy I got them from said he had them pressure tested to 50psi without any leakage. Maybe there is a coating that I could use for the combustion chambers?
I don't have much in them so far, so I would consider having some work done to them if it would be worth it. I am using ported big valve D3s right now.

A couple more pictures;





Possibly a Blue Thunder prototype? Anybody?

Jess
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Re: Help identifying these heads.

Post  dfree383 on April 26th 2013, 3:12 am

70's Prostock effort? Have you shown the pics to Kaase or Rick Smith?
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Re: Help identifying these heads.

Post  the Coug on April 26th 2013, 8:50 am

Nice wish I had those in my collection.....
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Re: Help identifying these heads.

Post  QtrWarrior on April 26th 2013, 11:00 am

Mustang-junky wrote:Ya, no doubt they have been passed from person to person for some time now.

The porosity does bother me. Funny thing is that I recently bought a set of small block ProComp heads, they look real nice compared to these. Sad Anyway the guy I got them from said he had them pressure tested to 50psi without any leakage. Maybe there is a coating that I could use for the combustion chambers?


Jess

You could have the chambers ceramic coated.
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Re: Help identifying these heads.

Post  Mustang-junky on April 26th 2013, 4:29 pm

the Coug wrote:Nice wish I had those in my collection.....

I could make it happen. Cool PM me if you are interested.

I just wanted something in an aluminum head, that had large chambers, that would make decent HP on a 545.

Jess
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Re: Help identifying these heads.

Post  Mustang-junky on April 26th 2013, 4:36 pm

dfree383 wrote:70's Prostock effort? Have you shown the pics to Kaase or Rick Smith?

I have not. I'm not familiar with Rick Smith, is he on the forum?

I posted the pictures here hoping that someone who know more about them would chime in. I had thought to send some pictures to Blue Thunder to get there opinion if I strike out here.

I will take them to my machinist and see what he thinks about getting them functional.

I could post up some more pictures if it would help identify them.

Jess
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Re: Help identifying these heads.

Post  bbf-falcon on April 27th 2013, 4:53 am

Mustang-junky wrote:
dfree383 wrote:70's Prostock effort? Have you shown the pics to Kaase or Rick Smith?

I have not. I'm not familiar with Rick Smith, is he on the forum?

I posted the pictures here hoping that someone who know more about them would chime in. I had thought to send some pictures to Blue Thunder to get there opinion if I strike out here.

I will take them to my machinist and see what he thinks about getting them functional.

I could post up some more pictures if it would help identify them.

Jess

Make sure he knows something about BBF heads. Smile

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Re: Help identifying these heads.

Post  dfree383 on April 27th 2013, 5:01 am

bbf-falcon wrote:
Mustang-junky wrote:
dfree383 wrote:70's Prostock effort? Have you shown the pics to Kaase or Rick Smith?

I have not. I'm not familiar with Rick Smith, is he on the forum?

I posted the pictures here hoping that someone who know more about them would chime in. I had thought to send some pictures to Blue Thunder to get there opinion if I strike out here.

I will take them to my machinist and see what he thinks about getting them functional.

I could post up some more pictures if it would help identify them.

Jess

.
Make sure he knows something about BBF heads. Smile
Laughing Laughing Laughing Rick Smith is the guy who started TFS, he on here very blue moon.
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Re: Help identifying these heads.

Post  Mustang-junky on April 27th 2013, 2:39 pm

I don't think my machinist will know much about where these heads came from. But, he should be able to give me idea how much work will be involved in getting them ready to use. He mainly does chevy stuff for the circle track guys around here, but he has done a few BBFs that I have seen. I am not aware of any ford specialist in the area.

I measured the valves, they are 2.25" and 1.76".

Jess
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