Mocking up C460 headers.

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Post  FRanger on January 12th 2019, 7:57 pm

Hey everyone, hope I got this in the right section.

Building a 645” C head engine with single carb, wanting between 1100-1200hp. I’m looking to see what people are using as primary tube length and collector size and length.
I think diameter wise it will go 2 1/4” step up to 2 3/8” unless someone says otherwise
I don’t have cam specs yet so the calculators are useless
Need some real word experience here, it’s for a mud truck, there’s nothing in the way so I don’t need any crazy bends in it.

Thanks for reading!
Edit** As I’m looking through all the calculators I realize this may be to general of a question**
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Post  BBFTorino on January 13th 2019, 6:50 am

Can just build a set of Zoomies?

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Post  dfree383 on January 13th 2019, 9:07 am

Out the good stacks to stay out of the mud
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Post  FRanger on January 13th 2019, 12:13 pm

I would actually like to use zoomies or uprights. My old engine had uprights.
They have too serve dual purpose. Dyno duty and then in my truck so zoomies are out because of the dyno.
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Post  FRanger on January 13th 2019, 1:29 pm

We have some weird rules around here too, uprights can cause you to be bumped up a class. I want to run as many classes as possible
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Post  FRanger on January 13th 2019, 8:44 pm

Here is the first design, pipes all within 3/4” at 30 inches of primary tube.
Please critic, I can take it haha!Mocking up C460 headers. 92193d10
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Post  cletus66 on January 13th 2019, 9:22 pm

FRanger wrote:Here is the first design, pipes all within 3/4” at 30 inches of primary tube.
Please critic, I can take it haha!Mocking up C460 headers. 92193d10


Looks like a damn good idea. Cool
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Post  FRanger on January 13th 2019, 10:49 pm

Wish I could take credit for it lol.
It’s the kit from GP Headers. Pretty sweet!
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Post  BBFTorino on January 13th 2019, 11:53 pm

I think all the plastic connections are going to melt!! Very Happy Just kidding, those look pretty good.

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Post  FRanger on January 14th 2019, 12:02 am

Thanks, but they told me it was high temp haha!!
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