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> BUILD-OFF CHALLENGE: Tygaboy's '75 LS3, It seemed a good idea at the time...
tygaboy
post May 28 2020, 05:41 PM
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A few down, a few hundred to go! And the diagram you see there is just the engine harness. After that, I have the entire chassis harness to make.

I'm hoping this evolves into a Zen-like process vs one of tedious repetition. (IMG:style_emoticons/default/wacko.gif)

But so far, it's going just fine.


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Dion
post May 28 2020, 06:11 PM
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Wow. (IMG:style_emoticons/default/confused24.gif) Wishing you a Zen like state of mind.
I was trying to figure out what pinning was earlier.
You go mate! BTW I love the pic of the pipes with the awesome colours showing off the plating.
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djway
post May 28 2020, 11:40 PM
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A Zen Tool for the Tool Whore (IMG:style_emoticons/default/shades.gif)
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Question about the lift, built as it is would it be pretty much universal as long as there is a cross bar up front?
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Andyrew
post May 29 2020, 06:40 AM
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That looks all about right. I found that I would often forget the weather sealed or at the very worst pin the first one into the plug and forget all the stuff on the back side of the wire such as the shielding or the heat shrink.
Biggest problem that I found with the tools was that it did not crimp correctly now mine look slightly different than yours in regards to the actual pain and have little fingers that supported the wire it would crimp the main portion correctly but it wouldn't crimp these two correctly. So I ended up doing most of it by hand with little needle nose.

I've probably done 200 of those pins. You can definitely get into a pattern with them.
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tygaboy
post May 29 2020, 04:19 PM
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V1 of the injection harness complete. Well, almost complete. I still have to finish the ends of the wire wrap.

And what's with the "V1" comment? You know me. I need to see it to know if I'll like it. And while this harness is certainly serviceable, it's too visible, IMO.

I realized after I'd cut the wires to length that I can route them on the inside of the ITBs and only a small loop coming out to each injector would be visible.

So, V2 it will be. But I'm calling this one a success since I learned a lot and better understand the thought and build process I need to follow when building a harness.

Onward...


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djway
post Jun 2 2020, 10:29 PM
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QUOTE(tygaboy @ May 20 2020, 03:38 PM) *

Change of plan on the electronics. As I was getting ready to go on the Infinity Box wiring, it just seemed like I was running into limited packaging options and losing more interior space than I wanted to... so I sold it and will be using a more traditional chassis harness.

And as far as the steering wheel buttons, I decided I didn't want a curly cord set up. I opted to go with this:

Summit Technologies "Raptor Pro". It's an 8-channel wireless button set up where each button controls a separate solid state relay. Each button can be programmed to be momentary, latching or flashing.

With this set up, I can eliminate essentially all the switches from the dash. It's super sanitary; no wires, not even hardly a bump on the back side of the wheel.

The kit comes with colored graphic labels for the buttons - turn signals, horn, lights, high beam, flash to pass, wipers, etc. I need to settle into which buttons I want to do what then I'll get things labeled.

Note that the pic doesn't really reflect how things look when seated in the car. The top buttons do block a bit of the lower area of the outer gauges but not the operating ranges of the gauges so I think it'll be fine.

The transmission by the plasma cutter???? Any relationship here?
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Mueller
post Jun 2 2020, 11:31 PM
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I like the diagram.
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Nogoodwithusernames
post Jun 3 2020, 10:10 AM
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Chris you must be a new level of insane wanting to do a V2 of a wiring harness (IMG:style_emoticons/default/blink.gif) That harness looks seriously clean though, color me impressed.
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Matty900
post Jun 3 2020, 10:48 AM
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Looking Great (IMG:style_emoticons/default/first.gif) When we were working on my microsquirt wiring and tried to get fancy we tried to use the heat shrink with the self-adhesive. Things were great for the first 1700 miles but we eventually had an issue on Pin 1 (power) that became a ghost in the system for a while. I was at that point that I became a fan of service loops. The heat shrink was pulling on the outer pins and it became an issue over time.
Here are some resources you will find interesting:

Professional Mil-Spec Motorsport ECU Wiring Harness Construction
https://www.rbracing-rsr.com/wiring_ecu.html

Nasa insturctions
https://workmanship.nasa.gov/lib/insp/2%20b...s/frameset.html

Motec wire porn (IMG:style_emoticons/default/drooley.gif)
https://zacperkins.com/1973-porsche-911t

Enjoy
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tygaboy
post Jun 3 2020, 07:32 PM
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With the drive train moved 1.5 inches forward, I opted for these neat-o, super low profile fittings that allow everything to clear while still being super tidy. They are only 2.3" tall. Mezeire is the supplier, if you're looking for something like this.

I'm still waiting for a couple fittings but I was able to start building the H20 lines.


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Krieger
post Jun 3 2020, 08:23 PM
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(IMG:style_emoticons/default/piratenanner.gif) (IMG:style_emoticons/default/piratenanner.gif) Dude, it's getting close! I want to be there when you fire her.
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bbrock
post Jun 3 2020, 08:37 PM
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QUOTE(tygaboy @ May 29 2020, 04:19 PM) *

And what's with the "V1" comment? You know me.


(IMG:style_emoticons/default/lol-2.gif) Now I've kind of lost track on the engine, but is that one V8? (IMG:style_emoticons/default/av-943.gif)
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tygaboy
post Jun 3 2020, 09:06 PM
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QUOTE(bbrock @ Jun 3 2020, 07:37 PM) *

QUOTE(tygaboy @ May 29 2020, 04:19 PM) *

And what's with the "V1" comment? You know me.


(IMG:style_emoticons/default/lol-2.gif) Now I've kind of lost track on the engine, but is that one V8? (IMG:style_emoticons/default/av-943.gif)


@bbrock - Well aren't you the FunnyMan? But who'll be laughing when I unveil V10! (IMG:style_emoticons/default/idea.gif)
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tygaboy
post Jun 4 2020, 05:09 PM
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- battery tray bracing
- battery tray, with added lightness
- battery in place w/battery hold down bracket

I don't think I could have found a lower mounting spot. Fingers crossed it has the oomph to start the LS.


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markhoward
post Jun 4 2020, 05:17 PM
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QUOTE(tygaboy @ Jun 4 2020, 04:09 PM) *

- battery tray bracing
- battery tray, with added lightness
- battery in place w/battery hold down bracket

I don't think I could have found a lower mounting spot. Fingers crossed it has the oomph to start the LS.


Nice mounting bracket Chris! I'd be surprised if it can't handle the LS. Been using it lately to run my 61 Lincoln as I work on it. No problem starting that 430..
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tygaboy
post Jun 6 2020, 04:59 PM
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V2 of the injection harness nearing 50% complete.

I so prefer this routing. It's so much stealthier and far tidier than V1.

As much as I like how this build is turning out, I happily confess to being a little frustrated with my inability to "get it right" the first time. But hey, it's only time and money, right? (IMG:style_emoticons/default/screwy.gif)


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Retroracer
post Jun 6 2020, 08:51 PM
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Chris - that looks so much better - nice work!

- Tony
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Cairo94507
post Jun 7 2020, 06:56 AM
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We have a winner! (IMG:style_emoticons/default/beerchug.gif)
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Krieger
post Jun 7 2020, 09:00 AM
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What harness? I only see the one over the trans! Very clean. Maybe you can sell your first version to recoup your cost.
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djway
post Jun 7 2020, 12:31 PM
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I think he converted everything to Bluetooth:)
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