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  #1  
Old Jan 16th, 13, 03:11 PM
jeff's69 jeff's69 is offline

Jeff
 
Join Date: May 2011
Location: Long Beach, CA
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Default Cast Iron Headers

Hey Guys! Anyone know if there's a good middle ground option between stock exhaust manifolds and tubular headers?

I'm looking at the Sanderson QP1000's. Anyone have any good or bad experiences with them? They've been mentioned in posts from a few years back, but I couldn't find anything recent.

This is for my 69 with a 290hp... nothing too crazy.

Thanks!
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  #2  
Old Jan 16th, 13, 03:24 PM
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DjD DjD is offline
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Default Re: Cast Iron Headers

Sanderson are rather expensive seems to be the talk I have heard... If you don't want full length headers several companys make nice 3/4 length and shorty headers at reasonable prices. I run 1 5/8" tube 3/4 length Dougs on my small block ragtop.
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  #3  
Old Jan 16th, 13, 03:52 PM
jeff's69 jeff's69 is offline

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Default Re: Cast Iron Headers

Thanks for the response... Seeing as I don't have too much experience with the differences, what's the benefit of shorty headers over full length?
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Old Jan 16th, 13, 04:15 PM
BobKovacs BobKovacs is offline
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Bob
 
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Default Re: Cast Iron Headers

Quote:
Originally Posted by jeff's69 View Post
Thanks for the response... Seeing as I don't have too much experience with the differences, what's the benefit of shorty headers over full length?
The biggest advantage to shorties is that you don't have all the header tubes and collectors hanging below the body, so you can usually get the exhaust tucked up tighter. That helps avoid the dreaded "speed bump scrape" that becomes more of an issue as we lower these cars to improve handling.
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Old Jan 16th, 13, 04:36 PM
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Vintage 68 Vintage 68 is offline
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John
 
Join Date: Mar 2002
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Wink Re: Cast Iron Headers

Quote:
Originally Posted by BobKovacs View Post
The biggest advantage to shorties is that you don't have all the header tubes and collectors hanging below the body
...

The collector exit flange/connection is also nominally larger than any stock or cast manifold so you can spec. larger dia exhaust pipes from the 'shorties' back ...

The only negative I've heard of with cast Sandersons is the latent heat from their large mass causing plug wire issues - that, and a few stories of cracking around the exhaust exit flanges over time ...
Lots of $$$ for a system that can be improved upon.
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