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American
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1,646 Posts
A few years ago I paid $600 for an afternoon of dyno testing on a stock ECM. Could have spent same or little more for my own Wideband O2 and HPtuners, but that would require a lot of time learning. I'm going with the $1000 on Holley Terminator and hope the self tuning is worth a shit. :D
It’s good enough to not blow the engine up, but it definitely needs some human assistance to smooth everything out. I wish I had a screenshot of my 3D fuel table before Lance did my tuning. It was very jagged and un even, now it’s a nice smooth 3D gradient.

I’m currently building my old 6.0 into a 408 stroker for my wife’s bronco (that’s a year or two out) and I 100% plan on another holley terminator.


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In Da Faaaaaace!!!
1988 YJ
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6,017 Posts
The self learn gets you going. You need a wide band o2 to really dial the engine in. You dial back the o2 control authority and make changes to the table. Smooth out the cells , turn the control authority down further. Repeat till you get to 0. Then you can put the wide band o2 back to 100%.
I have a megasquirt system and have spent hours tuning over the years. Data logs are your friend! Make some det cans and you can hear for detonation.
 

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Discussion Starter · #1,523 ·
Got the new exhaust in and fired it up for the first time since the fall. Wideband o2 is in and reading good, going to drive and tune for a while now.

And I got a new tool for the shop


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Discussion Starter · #1,528 ·
It definitely takes up a lot of real estate in the barn but it's worth it!! Unfortunately it will be a little while til I get it fired up, gotta finish some other projects first.

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Discussion Starter · #1,529 ·
I downloaded the latest version of the 4 link calculator from irate4x4 for another project, and was amazed at how much more detailed it is now than when I last used it. So for fun I plugged all the numbers from my Jeep in. Overall I have been very happy with it on and offroad.


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In Da Faaaaaace!!!
1988 YJ
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6,017 Posts
I did it the easy way and let wide open design figure all that out for me 😂



What plasma machine you going to run? Using sheetcam and Mach3? I really wish I had the room for a bigger table. Mine is 4x4 and it sucks having to rip the sheets before putting them on. Table envy!
 

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Discussion Starter · #1,531 ·
Not really sure on a plasma cutter yet. I'm keeping my eye open for a decent used deal, but when the time comes I'd like a hypertherm. I havent really thought about a program yet either. I used to program lasers all day so I'd like to find something close to what I know already.

I'm hoping to find some time in June to get this thing up and running, I have to many projects to finish up this month.

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Discussion Starter · #1,533 ·
Wow, 4link calc has come a long way. I've been using the same version for years. Might need to upgrade.

I was reading on irate that a guy was using a Linux program to run his plasma table. If I remember right ha e had tried Mach3 and had fewer issues with Linux contoller.

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Yea it really has, I would definitely recommend upgrading.

I'll look into Linux, thanks!

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In Da Faaaaaace!!!
1988 YJ
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6,017 Posts
Not really sure on a plasma cutter yet. I'm keeping my eye open for a decent used deal, but when the time comes I'd like a hypertherm. I havent really thought about a program yet either. I used to program lasers all day so I'd like to find something close to what I know already.

I'm hoping to find some time in June to get this thing up and running, I have to many projects to finish up this month.

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I love my hypertherms. The consumable life is AMAZING!
 

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I'm not old, honest...
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30,653 Posts
Wow, 4link calc has come a long way. I've been using the same version for years. Might need to upgrade.

I was reading on irate that a guy was using a Linux program to run his plasma table. If I remember right ha e had tried Mach3 and had fewer issues with Linux contoller.

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Then you can check mine with me. :)
 

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Low Range Drifter
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8,570 Posts
I keep looking to see if I could put together a small, low-ish cost plasma CNC, but answer still comes back as no. I don't need one, but I could definitely make use of one.

I've read other references to the linux control, but this was the last I read.

Control: It is now running PLASMAC 2.8 from linux cnc. I have probably cut close to 100 sheets on this so far and have not had a crash yet. Linux is defiently the way to go and has been rock solid.
 

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In Da Faaaaaace!!!
1988 YJ
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6,017 Posts
Oh you'll find tons of uses for a plasma table!

Interesting on the linux. I run a dedicated laptop for mine. I do not run ANYTHING other than Mach3 while cutting. I use to use the computer for music and youtube.... I would get weird cuts every now and again. I just think it came down to memory usage. I have not had any weird cutting behaviors since. Only screw ups I get now is user error.
 

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Discussion Starter · #1,538 ·
I put a few street miles on this thing...but other than that it has pretty much just sat tucked away in the garage

Back in April I left my engineering job and started Great Lakes Speed and Marine. I learned pretty quickly that time to work on your own projects takes a back seat. I have had the opportunity to work on some pretty cool projects though!



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