914-4 vs 914-6...heat exchangers, Trying to understand Dansk's price disparity Options

[horizontally-opposed]

Another thread got me to thinking about this, and I suppose my honest questions could be construed as an attack on a vendor (not intended), so it's probably better to move the conversation to its own thread.

These 914-4 heat exchangers in mild steel are $268 each:
https://www.stoddard.com/022256091f.html

These 914-6 heat exchangers in mild steel are $3675 a pair:
https://www.stoddard.com/91421100500-sic.html

It looks like a mild steel HEs for the 914-4 may or may not be available for $300~ per side while stainless-steel HEs for the 914-4 can be had for $1800~ a pair. Or less. What I am still trying to understand is Dansk's pricing for 914-6 HEs in mild steel. I get that they have an extra exhaust tube each, different head flanges, and more intricate heater boxes, but… (IMG:style_emoticons/default/blink.gif)

Anyone and any company is welcome to weigh in with perspective so long as it's respectful. I converted my 914 to a 2.2 six a few years ago, and went with a set of used headers that were handy because I was already over budget and had a tough time justifying the price of -6 heat exchangers for a car I don't use all that often and can choose not to use in cold weather (I doubt I am alone in this). Of the current options, I am most impressed with mb911's stainless setup (expensive but seems like good value) and Dansk's mild steel setup (very expensive and does not seem like good value—unless, that is, factory appearance is critical).

Here to learn…