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Author Topic: Have Yourself A Look At These Headers.  (Read 7345 times)
~JM~
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« on: May 09, 2009, 09:52:35 PM »

 Shocked


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Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
~JM~
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Posts: 1853


« Reply #1 on: May 09, 2009, 10:12:48 PM »

I was reading a few articles at Pirate4x4.com and ran across the pictures of an IFS Rock Crawler being built by Shannon Campbell.

Traditionally, Straight Axle rigs have been considered as being far superior for rock crawling than Independent Front Suspension rigs. Not only may this rig change that tradition, it is an excellent display of engineering and that set of headers is just awesome!

How many of you are already picturing a turbocharger being bolted up to that tailpipe? Cheesy

Several more pics of the rig can be seen here.
http://www.pirate4x4.com/gallery/main.php/v/shannon_campbell_s_new_koh_rig


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« Last Edit: May 10, 2009, 11:46:57 AM by ~JM~ » Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
~JM~
Shop Keeper
C5
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Posts: 1853


« Reply #2 on: May 11, 2009, 08:18:15 AM »

What's the deal Huh?   Am I the only one that finds this bundle of snakes impressive? Shocked

Check out how uniform those weld beads are.

I'm thinking a certain Fiero or Air-boat would appreciate a set of headers like these. Cool
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
ST Dog
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Posts: 499



« Reply #3 on: May 11, 2009, 09:32:19 AM »

Not sure about all 8 primaries into a single collector.

Work of are for sure, but how will it perform  Huh?

Then again, how useful are headers on a rock crawler anyway?
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sMiles
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Posts: 321


« Reply #4 on: May 11, 2009, 02:44:29 PM »


What happened to the reply I posted to this thread ?

I agreed with you .. very impressive work .

Then I offered the following link to ..

www.stainlessheaders.com  which will send a 'kit' to create a model for custom headers on your engine mounted in your chassis including exhaust flange and merge collector.   You construct the kit in your car, send the model and the kit back to them,  they tig weld 304 SS headers from your kit,   and ship them back to you for $1300 plus shipping.
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~JM~
Shop Keeper
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Posts: 1853


« Reply #5 on: May 11, 2009, 06:40:11 PM »

What happened to the reply I posted to this thread ? 

 Huh? I don't know. I never saw it. Are you sure it posted, or did you possibly hit the preview button by mistake?
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #6 on: May 11, 2009, 06:52:54 PM »

Hey sMiles,

That is a hell of a program they offer!
http://www.stainlessheaders.com/customheaders

Thanks for posting that up.
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
sMiles
C4
****
Posts: 321


« Reply #7 on: May 11, 2009, 07:06:22 PM »



I thought so too.   Don is interested in it for his car as well.   
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~JM~
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Posts: 1853


« Reply #8 on: May 12, 2009, 11:51:50 AM »

I believe the header design in the pictures above is known as a "360 degree header system".

I have read about it in the past in several of the older books that I have. I did a quick I'net search, but was unable to locate the info that I was seeking. I seem to recall that there is particular 'clocking order' of the primary tubes, due to the engines firing order, as they enter the collector to optimize the scavenging effect. Supposedly this style of header system provides the most potential for scavenging & the broadest operating range as compared to the other styles of headers.

The next best thing, is the "180 degree header system".

This system splits into two collectors vs. the large single collector.  It still orients the primaries due to the firing order & usually ends up with two primaries from one cylinder bank crossing over to meet with two primaries from the opposite cylinder bank feeding into the collector. This of course is repeated for the other collector.

One of the sweetest sounding exhaust notes I've experienced. Was from a "Rock Car" (heavy duty, rear engine, sand rail type vehicle) with an aluminum block 215 CID (Buick or Olds?) V-8 & a 180 degree system. The collectors were probably about 2' long & uncorked. When that engine was wound tight flying across the desert, it was better than most forms of music.  Tongue Grin
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #9 on: May 12, 2009, 12:03:32 PM »

Then again, how useful are headers on a rock crawler anyway? 

As useful as any other high performance application. Whatever will help build torque.

I believe that vehicle may be designed for Desert Racing also. There are now several events that combine the traditional Rock Crawling type of event with a Desert Race type of event also. Personally, I'm glad to see this occur, as it requires a more rounded vehicle than the traditional Rock Crawler that needs to be trailered from one pile of rocks to another.
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #10 on: May 12, 2009, 04:38:57 PM »

Here is a link you guy's may find interesting. Cool
http://home.earthlink.net/~mmc1919/venturi.html

I haven't been able to figure out how to post the content & animation.
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
sMiles
C4
****
Posts: 321


« Reply #11 on: May 12, 2009, 07:35:36 PM »



Excellent, JM,  I've seen this before in a thread on Speedtalk relating to exhaust flow.   Thanks for posting it.
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ST Dog
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Posts: 499



« Reply #12 on: May 12, 2009, 10:18:44 PM »

I haven't been able to figure out how to post the content & animation.

The animation is a Java applet. I don't think the forum can display them.
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sMiles
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Posts: 321


« Reply #13 on: May 13, 2009, 05:41:55 AM »


The animation works for me .. of course it does,  I was on the link JM provided,  duh


New rule :  No posting before first cup of coffee and heart and brain are functioning .
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~JM~
Shop Keeper
C5
*****
Posts: 1853


« Reply #14 on: May 13, 2009, 09:07:26 AM »

The animation is a Java applet. I don't think the forum can display them.

CaddyCarlo figured out how to do it once before.
http://caddy500.com/index.php?topic=177.msg2340#msg2340

Of course they may be very different forms of animated pics.
Logged

PS. You don't have enough cam. Grin

...Summit has a kit for $99.... Shocked
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