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Old 06-29-2013, 11:58 PM   #3473
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wow thats pretty interesting, you'll have to let me know how that works out. I also want to start tuning my own vehicles.
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Old 06-30-2013, 12:03 AM   #3474
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I have a feeling I'll be making a cable for Zeke so he can switch one in before I actually get ahold of my own setup. I've had pretty decent luck sourcing GM connectors. Hopefully I can make something that snaps in nicely.
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Old 06-30-2013, 12:04 AM   #3475
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Ahh!! Ok, now I see what you mean.

So do you have control over what each wire to the ecm reads as in a handheld? What would the equation you plug in for the afr read as?
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Old 06-30-2013, 12:11 AM   #3476
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You don't have control over them, but you can read their "data". So switch out the A/C "data", and switch in wideband O2 "data", and all that is left to do is tell the tuning suite how to interpret the readings coming from that sensor.

Here is the formula listed, but until I have my toys, I can't vouch for its success or failure!

VOLTS / (VOLTAGE RANGE/DEVICE RANGE) + (MINIMUM VALUE OF DEVICE READING) = AFR

Here this thread actually gives you some numbers to work with.

http://forums.corvetteforum.com/c5-s...hp-tuners.html

I think this site has some pretty detailed sensor voltage info too. We could probably choose from any number of wires to tap into.

http://gsi.xw.gm.com/index_en-US.html
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Old 06-30-2013, 12:29 AM   #3477
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Look at all these tags. That's history all in itself. Shame.
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Old 06-30-2013, 12:38 AM   #3478
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Great times were had here! Haha
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Old 06-30-2013, 12:42 AM   #3479
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Indeed.
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Old 06-30-2013, 12:45 AM   #3480
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Mike, change the thread title to something more befitting to what it actually was. Maybe that can help get it back to the V8 section at least.
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Old 06-30-2013, 05:42 AM   #3481
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Quote:
Originally Posted by thahemp View Post
Yuuuup. Heavy stuff moved... back to business!
That's awesome Hemp! Thanks man

Quote:
Originally Posted by thahemp View Post
I have a feeling I'll be making a cable for Zeke so he can switch one in before I actually get ahold of my own setup. I've had pretty decent luck sourcing GM connectors. Hopefully I can make something that snaps in nicely.
Lmao! What do you have? A sixth sense or something? Lol
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Old 06-30-2013, 09:42 AM   #3482
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Hah. It'll give me something to do while i'm waiting on my mod fund to recover!
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Old 06-30-2013, 10:50 AM   #3483
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What's up guys?
Camshaft!!!
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Old 06-30-2013, 11:12 AM   #3484
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Nothin much. Trying to decide what to do with my Sunday. Probably do some squeak chasing and check out our wideband O2 situation at the shop then crack open a beer and prepare to grill some meat.
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Old 06-30-2013, 11:41 AM   #3485
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Nothin much. Trying to decide what to do with my Sunday. Probably do some squeak chasing and check out our wideband O2 situation at the shop then crack open a beer and prepare to grill some meat.

I would grill meat, but it's raining :thumbsdown:
And I have work tonight
Oh I almost forgot:
LONG TUBE HEADERS
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Old 06-30-2013, 12:28 PM   #3486
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Change tittle Mikey
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