2.0L Performance Tech 260hp (235hp auto) Turbocharged SS tuner version. 260 lb-ft of torque

manual datalogging today.....long post...

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Old Feb 13, 2011 | 10:03 AM
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manual datalogging today.....long post...

Went out this AM to the other vehicle, which is an hour away from home, so I thought this would be the time to check all of the parameters out from the AeroForce gauge. Average speeds were between 65-80 mph in OD. No laptop, just pen and paper, oh well, I did get readings. No dead stop WOT's or Passing gear WOT's as the turbo is not operating correctly due to the BPV malfunctioning, which should be corrected in a week or so when I receive the Forge unit. So here we go.......


HAHN BSR (PPC) Tune w/K&N drop in filter
IDLE.............................................. ........................Highway Driving

Long Trim B1 & B2...............16.4............................1 7.1 16.4 14.8 15.6 in that order
Short Tim B1 & B2...............-1.5 2.3 3.1..............between 0.7 & 1.5
Eng Load..............................0............... .................depending on throttle position 30 63 78 99
Rail Press.............................22.............. ................CL
Rail Press di................................................ ...........667 through 828
Run Time.............................3.9 4.0......................9.1
Barometer...........................14.3.......... ..................14.3
LAMBDA...............................1.00 .99...................as low as .91 high as 1.02
B1S1 CMD EQ.......................0.99..................... .......0.99
A/F Ratio..............................14.6 14.7...................14.6 14.7
02 Current...........................-127 -128...................back & forth constantly -127 to +127
ABS Throttle Pos....................0.......................... ......no fuel 0 with fuel 14-18 high as 22 depending on throttke position.
Throttle Volts.........................0................... .............forgot that reading
MAF Frequency......................1862............... ............3169 4732 5486 depending on Throttle position
Trans Temp F........................138 degrees................141 degrees
IAT 2 F..................................50............. .................high as 46 low as 38
Knock Retard.........................0.................. ..............0 1 time on the way out did see 1.2
PW Bank 1 & 2.......................0.0....................... ......0.0
Misfires..................................0....... .........................0
Fuel Trim Cell.........................0.................... ............0
02 B1S1 mv...........................0.................... ............0
02 B2S2 mv...........................545 + or - 5................25 up to 925...same for B2S2
A/F CMD................................14.69.......... ...............14.69
Oil Temp................................179........... .................197
TCC Mode..............................0............... ..................L
TCC DC%..............................0................ .................40 to 86 depending on throttle position
Shift Time ms.........................0...................... ...........155
Trans In RPM.........................750................... ...........1987
Trans Out RPM.......................0....................... ...........2840
TRQ To Trans.........................0................... ...............2457
Slip Speed RPM......................0........................ ...........0
TC SLP SPD RPM....................0.......................... .........0
BAROM PSI............................7.7................ ................7.7 plus or minus
RAIL PRESS............................7.7.............. .................7.6
Analog 1 & 2...........................gauge just shut down and then came on again..has happened more than once
CAT TEMP B1S1.....................777...................... .........1108
MAP KPA................................33
THROTTLE PCT.......................16...................... ...........varies
IGNITION ADV.......................3.5 4.5 2.0.................varies, seems to be all over the place, low as -2 high as 42.5

Well there you have it, I took the readings in the order that they appeared on the gauge, I left boost readings out as I produced very little boost during this log event. Feel free to comment or not no comment just thought these findings were interesting, now to understand some of what they mean........still thinking about the custom tune in the future............................................ ...................................Tom
Old Feb 13, 2011 | 10:07 AM
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update....update....

Also posted this on another forum and it was brought to my attention that the reason that the LTFT's may be out of wack is the K&N drop in filter, which the SS is not tuned for, so the recommendation is to put the stock filter back in and see if the LTFT's can be brought back down to "0" or close to in either direction. Now to go find where I put the stock filter......
Old Feb 14, 2011 | 07:05 AM
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A/F Ratio..............................14.6 14.7...................14.6 14.7

tell me this is at idle please
Old Feb 14, 2011 | 07:20 AM
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It should be around 14.7 all the time unless you get into power enrichment.

To the OP, I think you wasted your time doing all this. The interceptor isn't made for this kind of data logging.

You need to be able to compare against time, rpm, throttle position, temperature, etc.
Old Feb 14, 2011 | 08:23 AM
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Originally Posted by 1Panel2NV
It should be around 14.7 all the time unless you get into power enrichment.To the OP, I think you wasted your time doing all this. The interceptor isn't made for this kind of data logging.

You need to be able to compare against time, rpm, throttle position, temperature, etc.
Well yeah i know. Thats what mine is commanded to and at WOT i have it at 12.6 i wanna say
Old Feb 14, 2011 | 01:09 PM
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Originally Posted by bartSS
Well yeah i know. Thats what mine is commanded to and at WOT i have it at 12.6 i wanna say
I was running .88 lambda with a 50/50 E blend before she blew. I don't know what the a/f ratio would be.
Old Feb 14, 2011 | 01:39 PM
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U blew urs up??

Ive had mine tuned for a while now and Brian did it i told him i want it decent but safe haha. I trust him
Old Feb 14, 2011 | 01:43 PM
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For comparision what would have been nice was a WOT run showing numbers near PEAK RPM and that would have given more interesting results. I do understand its due to a mechanical issue but def get those next.

Your results is though what I would expect as simply there no real load on the car and this would give you decent gas milage.

Interested in seeing even one iota of knock retard. Not sure if SS HHRs see false knock or if it actually occured. I would assume its false but good info none the less.
Old Feb 14, 2011 | 09:19 PM
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Originally Posted by bartSS
A/F Ratio..............................14.6 14.7...................14.6 14.7

tell me this is at idle please
was @idle and cruising speeds.....

Originally Posted by 1Panel2NV
It should be around 14.7 all the time unless you get into power enrichment.

To the OP, I think you wasted your time doing all this. The interceptor isn't made for this kind of data logging.

You need to be able to compare against time, rpm, throttle position, temperature, etc.
I had plenty of time to waste.... made the trip more enjoyable.....

Originally Posted by BlackScreaminMachine
For comparision what would have been nice was a WOT run showing numbers near PEAK RPM and that would have given more interesting results. I do understand its due to a mechanical issue but def get those next.

Your results is though what I would expect as simply there no real load on the car and this would give you decent gas milage.

Interested in seeing even one iota of knock retard. Not sure if SS HHRs see false knock or if it actually occured. I would assume its false but good info none the less.
yes, no real load on the engine. will do WOT's once I get everything in order, just waiting for the BPV to come in....that is the only time I noticed KR
glad you enjoyed the info.........
Old Feb 15, 2011 | 12:22 AM
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Originally Posted by bartSS
U blew urs up??

Ive had mine tuned for a while now and Brian did it i told him i want it decent but safe haha. I trust him
Sort of. There's a small hole in #4. I had someone else tune for me and it didn't turn out so good, so I'm going to tune it this time.




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