more questions about utec...
i have a KnN, pulleys, skunk2 spacer, JIC y pipe, and test pipes. the UTEC will come with a base map to give you an idea what the figures will look like BUT they will probably be way way off what you need. i have been tuning my car for a week now to fine tune it and i think i have done a pretty good job. i dynoed my car right when i put the utec in with that horrible base map and only picked up 5 hp with it. horrible only becuase it is way off in my car. i am getting my tuner wb ( a must for self tuning) this friday, i have battle of the imports sunday and test and tune friday so i will get to see what i have done with my car.
i would highly recommend the utec + tuner wb if anyone is wanting to figure out their cars and be able to compensate for any changes needed....
the utec can raise the rev limiter but i dont think it does anything with the speed limiter, you dont need to be driving that fast anyways
oh yeah i have some nitrous too!!!
i would highly recommend the utec + tuner wb if anyone is wanting to figure out their cars and be able to compensate for any changes needed....
the utec can raise the rev limiter but i dont think it does anything with the speed limiter, you dont need to be driving that fast anyways
oh yeah i have some nitrous too!!!
I think the speed limiter is removed automatically for the 2003 model, could not get a straight answer, but I was able to take mine to 160. It is not listed as a parameter in the UTEC menu, however.
Originally Posted by audiblemayhem
can you run open loop fueling naturally aspirated???
if so that is what i will be doing tomorrow. i would love to bypass the stock ECU...
i guess what i am wondering, can you run speed density NA???
if so that is what i will be doing tomorrow. i would love to bypass the stock ECU...
i guess what i am wondering, can you run speed density NA???
Originally Posted by King Tut
Yes, but you need to purchase the $115 Turbo XS MAP sensor and hook it up to your UTEC. You can ONLY run speed density with the Turbo XS MAP sensor.
Originally Posted by Sharif@Forged
You do not need a MAP sensor to tune in open loop fueling. Open Loop Fueling mode can be run with either a factory MAF sensor, or a MAP sensor (for FI applications). You can still set the injector pulse widths with an NA car, and the basic UTEC.
Originally Posted by King Tut
I read it again and you are correct in MAF mode with open loop fueling it takes the adjusted MAF voltage and then modifies the injector pulse widths. I was stating that to run speed density mode he would need a MAP sensor. They are two different modes one bases load off of the TPS sensor and one bases load off of the MAP sensor. You can run either in open loop fueling mode. Either will work in an all motor application.
Originally Posted by Sharif@Forged
Otherwise, you will have no resolution beyond 0psi. MAF is the way to go.
Three questions:
1. Do you need the WB sensor to tune in MAF mode?
2. Don't the 04+ have WB sensors?
3. When you tune an NA car in MAF mode, do you still have control over timing or is it just fuel control?
1. Do you need the WB sensor to tune in MAF mode?
2. Don't the 04+ have WB sensors?
3. When you tune an NA car in MAF mode, do you still have control over timing or is it just fuel control?
Originally Posted by 350Zenophile
1. Do you need the WB sensor to tune in MAF mode?
2. Don't the 04+ have WB sensors?
3. When you tune an NA car in MAF mode, do you still have control over timing or is it just fuel control?
2. Don't the 04+ have WB sensors?
3. When you tune an NA car in MAF mode, do you still have control over timing or is it just fuel control?
2. They say the 04.5+ have WB O2 sensors.
3. Yes you still have control over timing in MAF mode.
well having a vacuum gauge in my car and watching the vacuum all the time. i realized that it flucuates so much that you couldnt tune it to the vacuum with the MAP sensor. even if you tuned it to vacuum. now yes this whole time i have been messing with the utec, i am in open loop fueling using the maf pulldown
the question is?? does the utec use the figures you put in say -0.8% now does the utec use the MAF voltage, minus .8 % and send the injectors its own configurated pulse widths OR.... take the MAF voltage and correct that and send it to the ECU to "edit" what the computer does for the injector pulse widths??
thanks guys...
the question is?? does the utec use the figures you put in say -0.8% now does the utec use the MAF voltage, minus .8 % and send the injectors its own configurated pulse widths OR.... take the MAF voltage and correct that and send it to the ECU to "edit" what the computer does for the injector pulse widths??
thanks guys...
Thought i would post a bit of my log file. Its a third gear pull. Let me know what you guys think. Im still using the timing map that came with the UTEC. I also had the AAM reflash before i installed the UTEC.
Code:
5081 -17.8 4.23 102 80 00 14.31 +25.1 60.3 +20.2 -7.0 4.15 14.37 5073 -17.8 4.37 102 80 00 13.89 +26.0 58.9 +20.1 -6.9 4.03 13.59 5096 -17.8 4.49 103 80 00 14.58 +25.9 62.0 +20.4 -7.0 3.84 13.28 5136 -17.8 4.31 102 80 00 14.47 +24.1 63.0 +20.6 -7.1 4.07 13.14 5224 -17.8 4.25 102 80 00 14.53 +23.9 63.0 +20.7 -7.3 4.13 13.12 5257 -17.8 4.45 102 80 00 14.70 +24.1 64.4 +21.0 -7.3 3.82 13.12 5274 -17.8 4.37 103 80 00 14.79 +24.0 64.1 +21.0 -7.5 4.09 13.06 5341 -17.8 4.29 103 80 00 14.85 +24.2 65.8 +21.0 -7.5 4.11 13.06 5376 -17.6 4.45 102 80 00 14.37 +24.1 64.5 +21.0 -7.6 3.92 13.02 5411 -17.8 4.31 103 80 00 14.65 +24.9 66.2 +21.0 -7.6 4.13 13.06 5464 -17.8 4.52 103 80 00 14.77 +24.9 67.4 +21.0 -7.7 3.92 13.12 5500 -17.6 4.27 102 80 00 14.49 +25.0 66.4 +21.0 -7.8 4.15 13.12 5537 -17.8 4.52 103 80 00 14.63 +25.0 66.7 +21.1 -7.8 4.15 13.12 5611 -17.6 4.54 103 90 00 14.49 +24.9 67.7 +21.2 -7.8 3.80 13.09 5611 -17.6 4.29 103 90 00 14.79 +24.9 69.8 +21.2 -7.9 4.21 13.12 5678 -17.6 4.62 103 80 00 14.93 +25.8 70.5 +21.4 -7.9 4.23 13.09 5688 -17.6 4.56 103 90 00 14.85 +25.9 70.4 +21.4 -7.9 4.03 13.06 5757 -17.6 4.35 103 90 00 15.32 +25.9 73.8 +21.5 -8.0 4.13 13.06 5757 -17.6 4.21 102 90 00 15.22 +25.7 73.8 +21.5 -8.0 4.27 13.02 5847 -17.6 4.56 102 80 00 15.36 +25.8 74.5 +21.7 -8.0 4.19 13.02 5868 -17.6 4.66 102 90 00 15.43 +26.0 78.0 +21.8 -8.1 4.17 12.99 5963 -17.6 4.62 101 90 00 15.57 +26.8 76.7 +21.8 -8.1 4.03 12.99 5931 -17.6 4.58 101 90 00 15.47 +25.9 77.0 +21.9 -8.1 4.07 13.02 5984 -17.8 4.64 101 90 00 15.27 +26.8 77.0 +22.0 -8.2 4.11 13.03 6027 -17.6 4.64 100 90 00 15.50 +26.8 78.3 +22.0 -8.2 4.07 13.12 6049 -17.8 4.62 100 90 00 15.11 +26.9 76.9 +21.8 -8.2 4.09 13.12 6161 -17.6 4.64 101 90 00 15.02 +26.8 76.7 +21.8 -8.3 4.09 13.17 6150 -17.6 4.64 102 90 00 14.69 +26.9 75.9 +21.7 -8.3 4.23 13.28 6184 -17.6 4.80 102 90 00 14.63 +26.9 76.7 +21.6 -8.3 4.23 13.39 6242 -17.6 4.60 102 90 00 14.49 +26.9 75.7 +21.5 -8.3 4.31 13.53 6253 -17.6 4.54 102 90 00 14.42 +26.9 75.3 +21.6 -8.4 4.27 13.65 6313 -17.6 4.52 102 90 00 14.37 +27.8 75.0 +21.9 -8.2 4.19 13.75 6385 -17.6 4.68 102 90 00 14.26 +27.8 75.7 +22.0 -8.0 4.17 13.84 6447 -17.6 4.76 103 90 00 13.89 +27.7 76.7 +22.1 -8.0 4.31 13.92 6447 -17.6 4.60 102 90 00 13.67 +27.8 73.6 +22.4 -7.8 4.09 14.05 6422 -17.6 4.68 103 90 00 14.12 +27.6 75.7 +22.3 -7.8 4.13 14.05 6510 -17.6 4.74 102 90 00 13.96 +27.7 75.3 +22.5 -7.8 4.37 14.11 6535 -17.6 4.54 102 90 00 14.08 +27.8 76.4 +22.8 -7.6 4.27 14.15 6600 -17.6 4.76 103 90 00 14.21 +27.7 77.6 +22.8 -7.3 4.39 14.08 6587 -17.6 4.64 102 90 00 14.56 +27.5 80.3 +23.0 -7.2 4.15 14.05 6626 -17.6 4.78 102 90 00 14.45 +27.6 80.2 +23.2 -7.1 4.37 13.95 6653 -17.6 4.64 102 90 00 14.63 +27.8 81.5 +23.3 -7.1 4.19 13.84 6761 -17.6 4.78 102 90 00 14.70 +27.7 82.2 +23.6 -6.8 4.47 13.78 6747 -17.6 4.56 103 90 00 14.67 +27.6 83.4 +23.5 -6.8 4.29 13.72 6775 -17.6 4.72 103 90 00 14.28 +27.8 81.0 +23.6 -6.5 4.50 13.65 6872 -17.6 4.76 102 90 00 14.61 +27.7 84.3 +23.9 -6.5 4.47 13.65 6872 -17.6 4.64 102 90 00 14.79 +27.6 84.8 +24.0 -6.4 4.37 13.68 6858 -17.6 4.74 102 90 00 14.70 +27.7 84.3 +24.1 -6.2 4.52 13.65 6901 -17.6 4.82 103 90 00 14.81 +28.7 85.0 +24.4 -6.2 4.50 13.65 6958 -17.6 4.60 99 90 00 14.76 +28.5 87.0 +24.5 -6.1 4.31 13.65 7002 -17.8 3.88 0 90 00 4.13 +29.3 24.2 ECU. -6.0 2.33 13.81
as i pmed you, look at how far your timing is off.... it is really retarded almost 5 degrees in spots. we need to get this adjusted and open up lots more power. i lost 25 hp on the dyno with 4 degrees taken off
Here is a run in third gear with everything under timing set to ECU.
Code:
3223 -17.8 3.62 102 70 00 12.32 +25.3 32.9 ECU. +3.0 3.70 14.33 3267 -17.8 3.74 103 70 00 12.70 +25.3 34.7 ECU. +2.9 3.72 13.95 3300 -17.8 3.58 103 70 00 13.23 +25.3 36.6 ECU. +2.8 3.76 13.53 3363 -17.8 3.64 103 70 00 12.98 +25.3 36.5 ECU. +2.6 3.70 13.33 3411 -17.8 3.66 103 70 00 13.05 +25.2 37.1 ECU. +2.5 3.76 12.89 3461 -17.8 3.76 103 70 00 13.69 +25.3 39.5 ECU. +2.2 3.84 12.56 3508 -17.8 3.88 103 70 00 12.43 +25.2 39.6 ECU. +1.8 3.96 12.37 3568 -17.8 3.86 103 70 00 13.87 +25.3 41.2 ECU. +1.5 3.94 12.34 3611 -17.8 3.86 104 70 00 13.96 +25.2 42.1 ECU. +0.6 3.92 12.42 3658 -17.8 3.90 103 70 00 13.26 +25.3 42.5 ECU. +0.0 3.98 12.56 3736 -17.8 4.00 103 70 00 13.30 +25.2 41.1 ECU. -0.3 3.90 12.78 3753 -17.8 3.92 103 80 00 12.73 +25.1 41.4 ECU. -1.2 3.98 12.93 3805 -17.8 3.82 103 80 00 13.28 +25.3 42.5 ECU. -1.3 3.92 13.17 3871 -17.8 3.86 102 80 00 13.80 +25.1 44.7 ECU. -1.5 3.92 13.39 3954 -17.8 3.78 103 80 00 14.67 +25.2 48.2 ECU. -1.8 3.96 13.50 3996 -17.8 4.13 103 70 00 14.76 +25.2 48.9 ECU. -1.9 3.94 13.53 4161 -17.8 3.96 103 80 00 13.57 +24.1 46.8 ECU. -3.0 3.84 13.47 4030 -17.8 3.82 103 80 00 14.29 +24.1 48.5 ECU. -2.8 3.88 13.33 4187 -17.8 4.11 103 80 00 13.39 +24.2 46.1 ECU. -3.2 3.86 13.23 4171 -17.8 4.01 103 80 00 13.26 +24.1 46.6 ECU. -3.6 3.94 13.14 4219 -17.8 4.15 102 80 00 12.94 +24.1 45.6 ECU. -3.6 3.92 13.20 4340 -17.8 4.03 103 80 00 12.87 +24.1 46.4 ECU. -4.0 3.92 13.25 4334 -17.8 4.25 103 80 00 12.77 +24.1 46.6 ECU. -4.0 3.96 13.45 4420 -17.8 4.13 103 80 00 13.07 +24.1 46.0 ECU. -4.0 4.05 13.53 4748 -17.8 4.05 102 80 00 12.61 +23.0 47.2 ECU. -4.0 3.98 13.53 4492 -17.8 4.33 103 80 00 12.68 +24.1 47.7 ECU. -4.0 3.86 13.47 4535 -17.8 4.37 103 80 00 13.07 +24.2 49.9 ECU. -4.8 4.09 13.36 4604 -17.8 4.17 103 80 00 13.28 +23.9 49.7 ECU. -5.0 4.09 13.28 4688 -17.8 4.01 103 80 00 13.53 +25.0 52.1 ECU. -5.4 4.07 13.14 4728 -17.8 4.13 103 80 00 13.25 +26.1 52.3 ECU. -5.8 3.88 13.12 4768 -17.8 4.29 103 80 00 13.80 +26.1 55.5 ECU. -6.1 3.92 13.12 4796 -17.6 4.33 102 80 00 13.94 +26.1 56.4 ECU. -6.2 3.92 13.17 4923 -17.8 4.27 103 80 00 13.90 +26.0 56.5 ECU. -6.4 3.92 13.23 4894 -17.8 4.21 103 80 00 13.90 +27.0 57.3 ECU. -6.6 4.00 13.17 5035 -17.8 4.07 103 80 00 13.97 +26.1 62.3 ECU. -6.9 4.11 13.06 4997 -17.8 4.21 102 80 00 14.13 +25.0 58.9 ECU. -6.7 4.15 12.96 5120 -17.8 4.39 103 80 00 15.13 +25.1 64.3 ECU. -6.9 4.05 12.93 5112 -17.6 4.49 103 80 00 15.20 +23.9 65.2 ECU. -7.1 3.86 12.93 5192 -17.8 4.29 102 80 00 14.65 +24.0 65.0 ECU. -7.2 4.09 12.92 5257 -17.8 4.25 103 80 00 14.90 +23.9 65.4 ECU. -7.3 4.09 12.93 5257 -17.8 4.50 103 80 00 15.00 +23.9 66.2 ECU. -7.4 3.92 12.92 5333 -17.6 4.17 102 80 00 14.93 +23.8 66.1 ECU. -7.4 4.11 12.96 5420 -17.8 4.49 103 80 00 14.72 +23.9 66.4 ECU. -7.6 3.94 13.02 5464 -17.8 4.37 103 80 00 14.83 +25.0 67.2 ECU. -7.7 4.15 12.99 5491 -17.6 4.52 103 80 00 14.93 +25.0 68.4 ECU. -7.7 3.84 12.99 5546 -17.6 4.17 102 80 00 14.61 +24.8 68.4 ECU. -7.8 4.21 12.99 5611 -17.8 4.58 103 80 00 14.74 +24.8 68.9 ECU. -7.8 4.01 13.02 5630 -17.8 4.29 102 80 00 15.29 +24.9 72.0 ECU. -7.9 4.13 13.06 5688 -17.6 4.37 103 80 00 15.15 +24.9 72.9 ECU. -7.9 4.19 13.06 5727 -17.6 4.66 103 90 00 15.47 +25.9 73.8 ECU. -7.9 4.03 13.06 5787 -17.8 4.62 103 90 00 15.52 +24.9 74.5 ECU. -8.0 4.05 13.03 5868 -17.6 4.39 103 90 00 15.77 +26.0 76.5 ECU. -8.0 4.13 13.06 5910 -17.6 4.47 102 90 00 15.66 +25.9 76.8 ECU. -8.0 4.33 13.06 5868 -17.6 4.31 103 90 00 15.77 +26.0 78.4 ECU. -8.1 4.29 13.03 5995 -17.6 4.50 102 90 00 15.66 +25.8 77.0 ECU. -8.1 4.31 13.03 6027 -17.6 4.58 103 80 00 15.36 +26.9 77.8 ECU. -8.1 4.29 13.03 6093 -17.6 4.60 103 90 00 15.13 +26.9 78.2 ECU. -8.2 4.29 13.09 6105 -17.6 4.47 102 90 00 15.24 +26.9 77.7 ECU. -8.1 4.33 13.20 6207 -17.6 4.43 103 90 00 14.69 +26.8 75.7 ECU. -8.1 4.39 13.31 6195 -17.6 4.54 102 90 00 14.72 +26.7 76.3 ECU. -8.1 4.15 13.47 6265 -17.6 4.49 103 90 00 14.93 +26.7 78.8 ECU. -8.0 4.21 13.65 6325 -17.6 4.68 102 90 00 14.60 +26.9 76.9 ECU. -7.8 4.15 13.72 6349 -17.6 4.84 102 90 00 14.53 +26.8 74.8 ECU. -7.8 4.37 13.84 6435 -17.6 4.47 103 90 00 14.35 +27.9 76.7 ECU. -7.7 4.33 13.92 6435 -17.6 4.56 103 90 00 14.51 +27.7 78.5 ECU. -7.6 4.19 13.95 6510 -17.6 4.74 103 90 00 14.19 +26.7 78.6 ECU. -7.4 4.37 14.00 6523 -17.6 4.56 102 90 00 14.31 +27.8 77.8 ECU. -7.3 4.25 13.97 6587 -17.6 4.72 103 90 00 14.44 +27.9 80.1 ECU. -6.9 4.29 13.92 6587 -17.6 4.58 103 90 00 14.69 +27.8 81.2 ECU. -6.7 4.43 13.78 6613 -17.6 4.78 103 90 00 14.67 +27.6 81.5 ECU. -6.6 4.25 13.72 6747 -17.6 4.54 103 90 00 14.97 +27.8 83.9 ECU. -6.5 4.39 13.65 6720 -17.6 4.74 102 90 00 14.92 +27.7 83.6 ECU. -6.4 4.47 13.56 6775 -17.6 4.68 102 90 00 14.72 +27.6 82.8 ECU. -6.2 4.29 13.50 6830 -17.6 4.88 102 90 00 14.83 +27.7 83.8 ECU. -6.1 4.54 13.47 6816 -17.6 4.82 102 90 00 15.18 +27.6 85.1 ECU. -6.0 4.43 13.47 6887 -17.6 4.70 102 90 00 15.13 +27.5 86.5 ECU. -5.8 4.43 13.53 6915 -17.6 4.78 103 90 00 14.99 +27.6 87.0 ECU. -5.6 4.52 13.53 6988 -17.6 4.84 103 90 00 15.15 +27.5 90.1 ECU. -5.6 4.56 13.47 7047 -17.6 4.66 103 90 00 14.83 +28.7 87.8 ECU. -5.5 4.47 13.59
cant wait till i pick up my tuner wb on friday, i am going to drive 500 miles logging stuff..... 
if you get some time do some nice 3rd gear datalog runs with the same setup that you showed on your latest post. then right down the stock timing across the rpms every 250 for at least 5 runs... then average them out and type those figures in...... then go datalog more and compare them on the datalog sheet and edit where needed.... then advance it a couple degrees and see how she feels!! good luck
if you get some time do some nice 3rd gear datalog runs with the same setup that you showed on your latest post. then right down the stock timing across the rpms every 250 for at least 5 runs... then average them out and type those figures in...... then go datalog more and compare them on the datalog sheet and edit where needed.... then advance it a couple degrees and see how she feels!! good luck
Originally Posted by Sharif@Forged
Open loop fueling can be setup as with MAF based, or MAP based...you pick. 
So yes, you can run open loop fueling mode on an NA car, as long as you select "MAF" for the load indicator. Just a word of caution. When you switch to open loop fueling mode, the ENTIRE fuel map needs to be populated with something, or else the car wont run. It's a time consuming process, the first time around, but once its done, the level of control is amazing.
So yes, you can run open loop fueling mode on an NA car, as long as you select "MAF" for the load indicator. Just a word of caution. When you switch to open loop fueling mode, the ENTIRE fuel map needs to be populated with something, or else the car wont run. It's a time consuming process, the first time around, but once its done, the level of control is amazing. What his problem may have been is sometimes if the wire harness is not seated real good, the utec will do some weird things..
Also turn down the knock feedback sensitivity a bit, sometimes it reads engine noise as knock. The car I just tuned today Was real lean when it cam in, like 14.6 and lost tons of power with its breathing mods, but we were able to get over 20whp back in by going to 13.5 A/F until about 5700 then going into the 12.5 range and bumping a little timing back in in the middle..Here is a dyno Graph.