lookforjoe Posted February 3, 2010 Author Report Share Posted February 3, 2010 POST FAIL! I typed up a less aggressive timing map based on the last Ign map you posted and your recent data logs. I don't know how to make it larger. I'm so computer illiterate. Thanks - I'll check it out. Quote Link to comment Share on other sites More sharing options...
lookforjoe Posted February 4, 2010 Author Report Share Posted February 4, 2010 Last night I had my son for dinner, so he helped do a little Map Tracing. It turns out, the rich areas where actually in the 42-74% range, on TT's scale. Which is where CJ had thought it would be, I just wasn't seeing it trying to do it on my own. Made some adjustments, and though still needs work, there is a definite improvement in terms of the laggy rich areas. this is where it's at now, still need to smooth some values & lower some more in some areas This seems pretty much on the money all around This is too rich - but that is a WOT issue After I sort out the fuel map some more, I'll go back & tweak the timing values where it seems to be suffering from significant pull. Quote Link to comment Share on other sites More sharing options...
gilber33 Posted February 4, 2010 Report Share Posted February 4, 2010 Ok, learning here. What is the blue and green graph telling you? I mean, like what do those numbers stand for? :rolleyes: Quote Link to comment Share on other sites More sharing options...
ozzimark Posted February 4, 2010 Report Share Posted February 4, 2010 Ok, learning here. What is the blue and green graph telling you? I mean, like what do those numbers stand for? Both are explained in the pics themselves Green is how much fuel the ECU should be injecting at various RPM and load points, I'm assuming a duty cycle ranging from 0 to 250, where 250 is fully open all the time. Blue is timing, in degrees BTDC Quote Link to comment Share on other sites More sharing options...
gilber33 Posted February 4, 2010 Report Share Posted February 4, 2010 Both are explained in the pics themselves Green is how much fuel the ECU should be injecting at various RPM and load points, I'm assuming a duty cycle ranging from 0 to 250, where 250 is fully open all the time. Blue is timing, in degrees BTDC Well, yeah, obviously I know what each chart represents, I can read the headlines there. But I just didn't know what the numbers stood for. I understand that the green chart reads how much fuel is being sent, but what do the numbers mean? Like the highlighted box. 82. 82 what? And the blue box, is that degrees before tdc? And what does it mean? If it's too much to explain and can point me in the direction of somewhere that can explain it, it doesn't matter, but I would just like to know what I'm reading there and what the number represent. Like why is it bad and how/what do you adjust for your running lean problem? That's all. ;) Quote Link to comment Share on other sites More sharing options...
Captain Bondo Posted February 4, 2010 Report Share Posted February 4, 2010 Last night I had my son for dinner, so he helped do a little Map Tracing. It turns out, the rich areas where actually in the 42-74% range, on TT's scale. Which is where CJ had thought it would be, I just wasn't seeing it trying to do it on my own. Interesting. So it sounds like TT's definition of 100% load and the OT1's definition are different. Can you drive the car at a semi-consistten 25%, then 35%, then 45% etc load using the map trace on TT, and then compare the datalog and see what it records for load? In order to tune effectively the load point on the log needs to be reporting the same point the TT is. Quote Link to comment Share on other sites More sharing options...
lookforjoe Posted February 5, 2010 Author Report Share Posted February 5, 2010 Interesting. So it sounds like TT's definition of 100% load and the OT1's definition are different. Can you drive the car at a semi-consistten 25%, then 35%, then 45% etc load using the map trace on TT, and then compare the datalog and see what it records for load? In order to tune effectively the load point on the log needs to be reporting the same point the TT is. Therein lies the rub. I've tried MAF/TPS, Load/TPS. SInce TT's Map Trace is not linear, it's very hard to correlate to two different approaches. Once TT has logging of MT, it will be much simpler. I can't watch TT & drive at the same time, doesn't work. My son is in College, so he's only over for dinner once a week. Did another tweaking & logging just now, and I shot a video of the Logworks screen (don't know how to capture live screen recording, & Logworks won't export the playback data) so I'll add that for shits & giggles Off to Jamaica in the AM for my daughter's wedding, so back to this next week.. Quote Link to comment Share on other sites More sharing options...
lookforjoe Posted February 5, 2010 Author Report Share Posted February 5, 2010 Video of two Logworks sessions - playback @ 1/2 speed (within Logworks) Youtube video You guys will just have to imagine the awesome exhaust note as it winds up :lol: Quote Link to comment Share on other sites More sharing options...
JCviggen Posted February 5, 2010 Report Share Posted February 5, 2010 That doesnt look too bad really. Maybe a little more fuel at the high end, I don't like to see >12.5 but the lower end although rich isn't exactly drowning. Modded scoobie's often don't even get above 11 at any point at WOT :lol: Quote Link to comment Share on other sites More sharing options...
dublin14 Posted February 5, 2010 Report Share Posted February 5, 2010 That doesnt look too bad really. Maybe a little more fuel at the high end, I don't like to see >12.5 but the lower end although rich isn't exactly drowning. Modded scoobie's often don't even get above 11 at any point at WOT What do you like to see your AFRs at ? Therein lies the rub. I've tried MAF/TPS, Load/TPS. SInce TT's Map Trace is not linear, it's very hard to correlate to two different approaches. Once TT has logging of MT, it will be much simpler. I can't watch TT & drive at the same time, doesn't work. My son is in College, so he's only over for dinner once a week. Did another tweaking & logging just now, and I shot a video of the Logworks screen (don't know how to capture live screen recording, & Logworks won't export the playback data) so I'll add that for I crapped my pants and I love how it feels & giggles Off to Jamaica in the AM for my daughter's wedding, so back to this next week.. Nice! I was in Jamacia at the Gran Bahia Principe in Montego Bay this time last year for my Brothers Wedding. What a blast! Quote Link to comment Share on other sites More sharing options...
JCviggen Posted February 6, 2010 Report Share Posted February 6, 2010 What do you like to see your AFRs at ? I like 12 dead. But I'm ok if its a tad richer at peak tq Quote Link to comment Share on other sites More sharing options...
lookforjoe Posted February 9, 2010 Author Report Share Posted February 9, 2010 That doesnt look too bad really. Maybe a little more fuel at the high end, I don't like to see >12.5 but the lower end although rich isn't exactly drowning. Modded scoobie's often don't even get above 11 at any point at WOT Last revision logs - trying to highlight obvious problem areas... needs some tweaking/refining still but I feel like I am making progress! Ran the Woth tune this morning, and that has rich spots similar to what I have mostly removed from mine.. "Load" is switched back to MAF values. I have no Knock Sensor channel in my OBDII/OT-1 menu. This felt the worst - 6th gear - very "lumpy" Quote Link to comment Share on other sites More sharing options...
BlackT5 Posted February 9, 2010 Report Share Posted February 9, 2010 I would try get rid of AFRs in the 10s too if possible. Quote Link to comment Share on other sites More sharing options...
ozzimark Posted February 10, 2010 Report Share Posted February 10, 2010 Ran the Woth tune this morning, and that has rich spots similar to what I have mostly removed from mine.. I'm convinced that this is more than just a tune issue. How close to stock is your fuel pressure? Quote Link to comment Share on other sites More sharing options...
lookforjoe Posted February 10, 2010 Author Report Share Posted February 10, 2010 I would try get rid of AFRs in the 10s too if possible. I've been working on it The Woth tune is a whole new story.. I'm convinced that this is more than just a tune issue. How close to stock is your fuel pressure? Nothing to do with fuel pressure that I can see. Why do you think so? If you look at my varied TT logs, I have reduced the rich sections that were prevalent in the 4K range. Still more to get to, but much better. The new Woth tune just has similar issues to mine a few versions ago... Quote Link to comment Share on other sites More sharing options...
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