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SCT Tuners

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SCT Tuners

Post by Corepuncher on 10/19/2011, 7:46 pm

Got my "used" SCT X3 tuner today. It's unmarried and has "5 unlocks". There are two tunes on it from the last person, but not sure how to get them off.

I updated it on the computer, and plugged it into my car just to see what it was like. Not much to say. I was hoping to find a way to download my stock tune to it but did not see anything in that respect. I know it does it automatically when you upload a new custom tune.

I need to adjust my tire size and speedometer...I did not see any menu options for that, anyone know how I would go about this? Do I need to get a custom tune first, or is there some way to get "my car" on this tuner and manipulate it?

BTW the clutch is awesome, I"m debating on whether to install it now, or save it for when mine goes out. I need to search around for local shops. I want one that has experience with performance vehicle transmissions though. 2 or 3 hour job you think?

Here it is. He also threw in the 189 dollar slave cylinder (new in box). Below pic shows steel flywheel as well.

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Re: SCT Tuners

Post by Shelby10' on 10/19/2011, 8:00 pm

Have to upload a custom tune, stock tune saves at the same time. Custom tune is required to adjust tire revolutions, gear ratio's, etc

I say wait till yours shows signs of wear

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Re: SCT Tuners

Post by Corepuncher on 10/19/2011, 8:05 pm

Ok, I'll beat the living crap out of my stock one for fun :-)
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Re: SCT Tuners

Post by Shelby10' on 10/19/2011, 8:06 pm

Do it...but get video

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Re: SCT Tuners

Post by Corepuncher on 11/16/2011, 10:33 pm

Jarrod, I got my Jon Lund tune. Loaded it into my tuner.

I guess you can't really see all the settings in the tuner correct? I see something called "Global spark" and stuff like that. I assume you don't mess with that right? Even though it says "global spark 0", that doesn't mean he forgot anything right?

I did change my revs per mile though to match my tires, but that is the only thing I monkeyed with. Planning on installing everything in a few days! Fingers crossed.
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Re: SCT Tuners

Post by BASixxer on 11/17/2011, 10:19 am

On remote tunes they normally don't mess with spark advance since too much can cause the engine to knock. You can adjust it in increments. More timing = more power but too much timing = detonation.

Safer to do this on a dyno with a/f.

There should be other settings. I think it's called Drive Axle Settings or something like that.

I know in the Diablo you have to input the tire revolutions per mile. Can't remember the exact equation but there are calculators around that will give you the reading to input to correct the speedo when changing the size of tire.
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Re: SCT Tuners

Post by 07Shelby500 on 11/17/2011, 11:24 am

Corepuncher wrote:Jarrod, I got my Jon Lund tune. Loaded it into my tuner.

I guess you can't really see all the settings in the tuner correct? I see something called "Global spark" and stuff like that. I assume you don't mess with that right? Even though it says "global spark 0", that doesn't mean he forgot anything right?

I did change my revs per mile though to match my tires, but that is the only thing I monkeyed with. Planning on installing everything in a few days! Fingers crossed.

He has the park advance set in the tune. Global spark adjustment allows you to advance or retard the timing as needed. (you probably do not want to mess with this unless you TAKE OUT timing) you can datalog using your X3 and a laptop. My advise is bring it to Tulsa and have Kurtis at archangel put it on the dyno for datalog and have Lund tweak the tune via remote tuning or by sending him the datalog files. The biggest thing is the air fuel ratio. That's what you want to be sure is correct.

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Re: SCT Tuners

Post by Shelby10' on 11/17/2011, 9:29 pm

Ryan,

David hit the nail on the head. Great advice

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Re: SCT Tuners

Post by Corepuncher on 11/17/2011, 10:10 pm

I'm one to always "optimize" everything, so I'm sure I will do it. So I would just have to pay for a dyno basically, and datalog. What does that entail...do I need special software on my laptop, or just plug in tuner into it?

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Re: SCT Tuners

Post by Shelby10' on 11/17/2011, 11:42 pm

For datalogging you will just need to download the livelink software.

Basically you will:

1)Run the software while the xcal tuner is plugged into the car and the usb cable is connected to the tuner to your laptop

2)Choose the perameters you want to datalog

3)Click the record button

4)Floor it in 3rd or 4th gear (whichever gives you the most traction for 100% load on the motor)

5)Once you hit around 6000 to 6200 rpms or so let off the gas and slow down

6)Click stop on the datalog

7)Save the file to your computer for emailing purposes.

Youtube has plenty of videos on this, so you should be able to find one that will walk you through

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Re: SCT Tuners

Post by Corepuncher on 11/18/2011, 12:11 pm

Thanks Jarrod.

I did ask van about it and he said with a 2011 not to waste my time...unless there is something wrong. He also said my car has adaptive octane so if I add some torco apparently it will sense it and adapt.
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