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Old 05-08-2006, 12:09   #1 (permalink)
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Blue Thunder Cylinder Heads

Hi peoples, long time no visit. I'm interested in feedback from genuine people who are running the SBF Blue Thunder heads... Curious to see what flow figures have been achieved out there, and also any hp figures or 1/4 mile slips.

PM'ing is fine, and please no bagging, or dreamers.

My reasons will become clear in the next few weeks.

-Dave.
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Old 05-09-2006, 04:07   #2 (permalink)
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Re: Blue Thunder Cylinder Heads

Quote:
Originally Posted by DJS351XD
Hi peoples, long time no visit. I'm interested in feedback from genuine people who are running the SBF Blue Thunder heads... Curious to see what flow figures have been achieved out there, and also any hp figures or 1/4 mile slips.

PM'ing is fine, and please no bagging, or dreamers.

My reasons will become clear in the next few weeks.

-Dave.
Do you actually have a set or are you considering buying some?Trying to get any type of info on them is difficult as they are not widely used.Probably because they are recommened to be used with a 4.125 bore and greater.I've got a set that I picked up reasonably cheap from the states but am just sitting on them for now.What combo are you thinking about?
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Old 05-09-2006, 08:18   #3 (permalink)
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Re: Blue Thunder Cylinder Heads

I've got a set already... Also got them out of the US at a very good price. Going by the photo's yours look like 50cc chambers in the 4.3" port... You planning on running Pro-Stock?

I've got the smaller versions, which will suit my intentions a bit better, and also easier to source a manifold for. Final combo isn't finalised, but will end up in the region of 450ci.
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Old 05-09-2006, 13:24   #4 (permalink)
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Re: Blue Thunder Cylinder Heads

Jay Goodwin

Menace Capri.

Runs Blue Thunders with twin HP Holley's on sheet metal intake and as of the last time I seen him he had said it was making 836hp natural from 418 cubes.
8.6 AT 154MPH
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Old 05-09-2006, 15:03   #5 (permalink)
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Re: Blue Thunder Cylinder Heads

Quote:
Originally Posted by DJS351XD
I've got a set already... Also got them out of the US at a very good price. Going by the photo's yours look like 50cc chambers in the 4.3" port... You planning on running Pro-Stock?

I've got the smaller versions, which will suit my intentions a bit better, and also easier to source a manifold for. Final combo isn't finalised, but will end up in the region of 450ci.
Picked up a Victor manifold cheap also.Almost perfectly port matched already.Need to run manifold adaptors for tall deck which is not a big deal.Looking at 417ci.Can you post a pick of the smaller versions.I've never seen them
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Old 05-09-2006, 22:33   #6 (permalink)
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Re: Blue Thunder Cylinder Heads

Quote:
Originally Posted by DJS351XD
I've got a set already... Also got them out of the US at a very good price. Going by the photo's yours look like 50cc chambers in the 4.3" port... You planning on running Pro-Stock?

I've got the smaller versions, which will suit my intentions a bit better, and also easier to source a manifold for. Final combo isn't finalised, but will end up in the region of 450ci.
how do you make a 450 Cleveland ? Must be a very special block.
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Old 05-09-2006, 22:44   #7 (permalink)
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Re: Blue Thunder Cylinder Heads

Dart Iron Eagle. I was originally going to use a 9.200" deck height, however there was a mixup in the order so I'm now getting the 9.5 instead. Canted valve head and 2.750" mains, its as much Clevo is it is Windsor or even Chev.
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Old 05-10-2006, 16:13   #8 (permalink)
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Re: Blue Thunder Cylinder Heads

Do all the dart blocks still use windsor accesories? regardless of deck height.
AZZA
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Old 05-10-2006, 18:09   #9 (permalink)
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Re: Blue Thunder Cylinder Heads

yeah they sure do, sump, front cover, water pump, dizzy, etc.

The beauty of the 9.5 block is you can take it out to 460.
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Old 05-10-2006, 18:18   #10 (permalink)
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Re: Blue Thunder Cylinder Heads

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Originally Posted by azza
Do all the dart blocks still use windsor accesories? regardless of deck height.
AZZA
Most stuff is interchangable between Clevo and windsor because the bolt paterns are the same, apart form internals the shape of the water pump and timing cover is about the only practical difference.
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