2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Help with IDC's w/pics

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Old Jun 14, 2008 | 08:11 PM
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Help with IDC's w/pics

Ok I went ahead and took pics of the tech 2 could someone tell me if this is good or bad that has experience in this, sorry for fuzzy pics shitty camera, im running 2.9 stage 2 running at 6k rpms


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Old Jun 14, 2008 | 08:50 PM
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so what this shows is if you want to ruin your injectors faster put a 2.9 in???i know that 99 is not all the injector has to offer but i've heard you only want to be using about 80 percent of your injector
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Old Jun 14, 2008 | 09:08 PM
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the first pic is showing boost duty cycle, wich is the solonoid for the bypass valve. it is not the same as injector duty cycle. furthermore, those pics look like you snapped them at idle, giving no insite to anything.
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Old Jun 15, 2008 | 12:22 AM
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isnt that way lean too?
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Old Jun 15, 2008 | 12:25 AM
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not if taken at idle its not lean. just right
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Old Jun 15, 2008 | 04:35 PM
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the tech 2 doesn't read idc. you can read Msec.

it also doesn't read afr. you have a narrowband stock.
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Old Jun 15, 2008 | 04:57 PM
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area......reply to my pm lol.
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Old Jun 16, 2008 | 02:00 AM
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Originally Posted by Area47
the tech 2 doesn't read idc. you can read Msec.

it also doesn't read afr. you have a narrowband stock.

So when i got my IDC and AFR readings from a tech2 what was it showing me? I'm not being a smart ass at all, i'm just wondering why the tech2 has those 2 values availiable and gives readings. The AFR actually read out alot like most stage dyno runs . In the pic's above he's not on the right category , but their is a Injector duty cycle value that has a read out .
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Old Jun 16, 2008 | 09:14 AM
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they were taken at 6000 rpms I wasnt driving the car it was parked at 6k. ok so i keep reading everyones pulse with of like 18ms why is that showing 1.65? Can someone elaborate on what im seeing?
Thanks
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Old Jun 16, 2008 | 10:45 AM
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when you're parked you don't need much fuel to get the car to rev to 6k rpm so the injector pulse with would be a lot less. You need a log of real time driving to get a good idea of injector pulse width and IDC's, or you need to go on a dyno.
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Old Jun 16, 2008 | 10:50 AM
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Agreed with everyone else...woot woot...and even hptuners log of idc is not crazy accurate
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Old Jun 16, 2008 | 10:55 AM
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From: Still fixing others mistakes.
Originally Posted by rukkee
So when i got my IDC and AFR readings from a tech2 what was it showing me? I'm not being a smart ass at all, i'm just wondering why the tech2 has those 2 values availiable and gives readings. The AFR actually read out alot like most stage dyno runs . In the pic's above he's not on the right category , but their is a Injector duty cycle value that has a read out .
it's ment for other vehicles. watch the Msec. then convert it to idc if needed.
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Old Jun 16, 2008 | 11:06 AM
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Ok so basicly I need to drive it and get new #'s ?
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Old Jun 16, 2008 | 12:48 PM
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yeah, you need the car to be under load when getting the correct numbers
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Old Jun 16, 2008 | 09:37 PM
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I found it's very easy with an interceptor gauge.

You set it to show rpms and injector pulse width and then set it to record. I went wide open in 2nd gear until 7000 rpm, parked, wrote down the numbers, and did it again and again.

Then go home and convert your pulse width for each rpm that you want to know about to IDC.
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Old Jun 19, 2008 | 08:14 PM
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I went 16.59 pw in 3rd at 6k rpm 15.75 2nd at 7000
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Old Jun 19, 2008 | 08:17 PM
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Boost starts with a B.....
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Old Jun 19, 2008 | 08:21 PM
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Originally Posted by an0malous
Boost starts with a B.....
ummmm yea lol wth are u talking about

So if I take the conversion in 2nd im at 91.87 IDC? and in 3rd 82.95?

Last edited by SSmoke1; Jun 19, 2008 at 08:21 PM. Reason: Automerged Doublepost
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Old Jun 19, 2008 | 08:28 PM
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your looking at the BOOST duty cycle, and calling it IDC
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Old Jun 19, 2008 | 08:31 PM
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I know that now but I only looked at the injector PWM this time and drove it and that is what it read
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Old Jun 19, 2008 | 08:34 PM
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you need to take a snapshot with the T2 to determine what's going on....while under load btw
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Old Jun 19, 2008 | 08:36 PM
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Originally Posted by Mr_Slobalt
you need to take a snapshot with the T2 to determine what's going on....while under load btw
will that take everything or just the screen that im looking at? I was going to but just read it instead
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