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Tippy Tippy is offline
Chain fence eating turbo
Join Date: Dec 2008
Location: Austin, TX
Posts: 8,844

Quote de Tippy

Now, you can spend 20 hours alone on your MIL spec harness alone like "billjam".

If you search in the 911 forum, he has built a harness that is top notch.

I was fine with simple flex conduit with mine as nearly ALL OEM use this method.

Mil-spec is also how we build all harnesses at TurboKraft, too: heat/abrasion/chemical-resistant flexible shrink tubing, adhesive-sealed shrink junctures, printed shrink-tube labels, factory and Deutsch connectors, quick-disconnect bulkhead connector, fine-strand lightweight aviation/motorsport wiring, etc. Materials cost just over $1k, and it's very time-intensive at just over 2 days to build a 2-piece chassis+engine harness.

We don't care for the plastic split-loom stuff (sorry Tippy, no offense friend, it looks 1980s-90s GM not German to us!), nor the braided covering (dirt and grime trap).

So just in wiring, you can have a huge difference in price.

Similarly, there's a wide range in prices on ECUs: MS < SDS < AEM < Motec < etc.

That's part of what makes answering the question "how much does EFI cost" so nebulous -- it's like asking "how much does a car cost?" There's no fixed answer, it depends on what you want, your tastes, your expectations of quality.
No offense taken, your harnesses are artwork. Most folks just won't have the time nor knowledge to replicate.

Now I think about it, you're right, the corrugated flex conduit looks a little 80's and later Big 3; but I'm ok with it and know many cars from that era who have had no issues to this day using this "cheaper" method.

It's like Motec; if you can afford it, buy it!
Old 10-20-2014, 11:38 AM
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