jbailer
Well-Known Member
I'm working a deal to get an SCT X4 so I can do some real data logging. I'd love to see how mine is really doing. Plus, it's good to check over time. It's kind of like your doctor getting a baseline.
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OAR deviation concern
- Thread starter CustomS550
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Marvinmadman
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I leave the X4 plugged in and sit it in the cup holder.
Spykexx
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This is what I use. Found it on clearance at best buy. Love how stiff the arm is, but can be repositioned, and the suction cup is awesome. Hasn't come off yet in over a year. It's also got foam all over the tip to keep from scratching the SCT up, and keeps a super firm hold.
http://www.bestbuy.com/site/scosche-stuckup-vehicle-mount-for-select-mobile-devices/4901000.p?skuId=4901000
I also picked up a 90 degree OBD port cord with a flat cord that lets me tuck it in cracks to run it up the dash.
Marvinmadman
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I have a Ram Mount left over from my ZX14 that held my phone in the steering stem. Hmmm
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CustomS550
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jbailer
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I'm working out a deal with a member here. I want to at least give that a shot first. Then if needed maybe jump into the bay. Buying a used handheld is risky business. If you get one that isn't unmarried, it's typically $150 + shipping back to the manufacturer to get it unlocked.
Marvinmadman
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Where should I put the log so you guys can see it? I already sent them to Torrie and got a response quick as usual lol
Marvinmadman
Well-Known Member
First 2 logs are just easy driving. Log 2 is quite long because some asshole decided to cut across 3 lanes and barely bump my rear fender. I had to follow him around town. 3rd log is WOT in drive. 4th is WOT in sport mode.
https://www.dropbox.com/s/1pqt7lrhje0it2y/datalog1.csv?dl=0
https://www.dropbox.com/s/nyyx8rw9nso8svw/datalog2.csv?dl=0
https://www.dropbox.com/s/rl1pmcsh1uzvvge/datalogwotdrive.csv?dl=0
https://www.dropbox.com/s/e01itwl7oeow30p/datalogwotsport.csv?dl=0
https://www.dropbox.com/s/1pqt7lrhje0it2y/datalog1.csv?dl=0
https://www.dropbox.com/s/nyyx8rw9nso8svw/datalog2.csv?dl=0
https://www.dropbox.com/s/rl1pmcsh1uzvvge/datalogwotdrive.csv?dl=0
https://www.dropbox.com/s/e01itwl7oeow30p/datalogwotsport.csv?dl=0
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CustomS550
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Here we go. Looks good to me;
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CustomS550
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Here's the excel file used to generate that graph;
https://drive.google.com/open?id=0B9GAmR4bTq1naGEzbUM1ejdaZ3c
https://drive.google.com/open?id=0B9GAmR4bTq1naGEzbUM1ejdaZ3c
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Marvinmadman
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Torrie said it just looks like a stock calibration begging for more power lol
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CustomS550
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jbailer
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I was playing around with the SCT X4 and did this data log on mine today. I couldn't figure out a good PID to use for throttle but it was 100% until it's obvious. I brake boosted a little, that's why the A/F has already dropped to ~11.5:1 at the beginning. Ambient temp was 70*. This is with the FP Tune and intake that comes with it, Cervini's Ram Air, ATM FMIC and Magnaflow Street catback, no other performance mods. A/F goes as rich as 10.1. CAT is the charge air temps, I love how that ATM FMIC pulls the temps down! The Cervini's Ram air has really helped control the intake air temps too. Boost was fairly stable between 20-22psi.
TEXAS HEAT
Well-Known Member
It looks like the FRPP tune limits ignition timing to 5* BTDC at redline, which is pretty standard for 91 octane. 22 psi peak boost appears to hold for most of the rev range, only tapering near redline down to 19-20psi. Are you still running the factory bpv?
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