HP/Max Wedge Manifolds vs Header Packaging/Design

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pyrogen007

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I searched and couldn't find any answers so I figured I'd ask y'all. After looking at the various exhaust manifolds and headers out there, I noticed that all the "performance" manifolds have a similar design while all the headers have a similar design but they don't really share much design wise between manifolds and headers. I am curious why. Basically all of the manifolds majority of the tubing is above the spark plugs while with headers the majority of the tubing(full length, tri-y, shorty or block hugger) is below the spark plugs. Seems like there is more space where the factory manifolds are and a lot less by the "frame" rails, steering, shifter linkages and ect... Can headers not have a higher percentage of tubing above the spark plugs so maintenance is easier? I am not really including fender headers in this comparison, I don't have a race car. Even the cast "headers"(hemi and other max wedge) floating around the internet are crazy looking but mostly above the spark plugs.

All this because I haven't been able to find headers for my exact application and am probably going to take a stab at building my own and have been researching header design. My application: 70 Dart Swinger with 73+ K frame, 383 with Indy SR heads, manual 4 spd, manual brakes, power steering and factory A/C. I can do without the power steering but I live in Texas, A/C is a must.

Exhaust question.jpg
 
I've often wondered why the aftermarket didn't catch on to that. They kinda did with fender well headers.
 
Zoomies give you plenty of room for everything but the hood. :poke: JK....good observation I never thought about.

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Very nice, it may just be packaging, I am curious to find out for sure.
 
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