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Vishnu Technical: Ignition timing control facts
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07-16-2009, 02:07 PM | #67 | |
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07-16-2009, 02:08 PM | #68 |
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Yah I'm aware that Mike has no real technical knowledge on this subject. He is simply posting what Terry is telling him to. And that is fine. The problem I have is that he may or may not be aware of the outright misinformation he spreads to others who truly have no knowledge on this subject. And that's how these silly "camps" are formed. And that is why it is so difficult to learn anything on this forum when the disingenuous claim to be the experts.
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07-16-2009, 02:18 PM | #69 | |
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I am not so sure if Terry himself has the knowledge either. He was never able to discuss in detail a few things with me a little over a year ago on n54tech.com. Instead he silently banned me.
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07-16-2009, 02:20 PM | #70 | |
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The analysis I've done so far is based strictly on your hand-picked logs. That your own logs don't fully support your assertions is your business. This is supposed to be a friendly technical discussion and I would appreciate it if you could keep your person insults/threats to a minimum. I have plenty of technical knowledge, would never alter data, and if you have a counter point to my analysis of your logs, then please raise it. Also by misinformation do you mean things like allowing readers to believe DME signals from hardwired sensors can be manipulated via the CANbus? Because if so I strongly agree with you that such misinformation should be corrected. Mike |
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07-16-2009, 02:26 PM | #71 |
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Mike,
Come back when you can stay on topic and have some appropriate data. Shiv |
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07-16-2009, 02:41 PM | #72 | |
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07-16-2009, 02:42 PM | #73 | |
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still waiting for your own data you claim to have....
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07-16-2009, 02:55 PM | #74 | |
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the CAN-Bus is designed as a dual channel communication network with a low and high speed channel -- correct ? the low speed channel takes care of the comm. modules such as the door module, window module and etc. -- correct ? the high speed channel takes care of the comm. between the highly active monitoring/reactive units such as the DSC / DTC / ABS and DME to provide "realtime" response levels --correct ? if this is the case then i dont understand the statement that CAN signals are too slow for real time engine management i would think the challenge would be to capture the given signal and supplying a subsitute value at a high enough rate as to "fool" the system itself . but then again its only an guesstimate of the CAN capabilities.... |
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07-16-2009, 03:05 PM | #75 | |
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http://www.canbus.us/ EDIT: I hope that didnt come off too harsh but there is plenty of CANbus basics available even through a google search.
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http://www.stevesnovasite.com/ http://www.jalopyjournal.com/forum/ http://www.garagejournal.com/ Last edited by HighVoltage; 07-16-2009 at 03:22 PM.. |
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07-16-2009, 03:21 PM | #76 | |
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Are you sure the DME is doing all the work? They could be using something more integrated: http://www.semiconductors.bosch.de/p...oduct_Info.pdf
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07-16-2009, 03:40 PM | #77 |
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This post is getting good I would like to see about procede real time Engine managment if there is delays and what not, also i would like to see some data posted by mike to back up his theories.
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07-16-2009, 04:26 PM | #78 | |
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but maybe my information sources are tainted because that not what i read -- and please be sure i know where the search button is .... nonetheless.. my source of information if you'd like to refute the authors please feel free -- http://www.pcmag.com/encyclopedia_term/0,2542,t=CAN btw: i did say "correct me if im wrong" so no harm - no foul.. |
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07-16-2009, 04:44 PM | #79 | |
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Your link doesnt work, but a careful search of the site clearly shows you have misread the text. "In a vehicle, both low- and high-speed CAN buses are used. For example, window, lighting and seat control only need low speeds, while engine, cruise control and antilock brakes require high speeds. Two or three CAN buses may be used in a vehicle; for example, a high-speed bus may be dedicated only for safety (air bags, seat belt tensioners, etc.)." This is clearly describing the implementation of multiple buses, not channels on a single bus as you implied. EDIT: These vehicles have several CAN bus networks. The power train,PT-CAN, (the one the Procede interfaces) is just one of them.
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07-16-2009, 04:44 PM | #80 | |
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07-16-2009, 05:07 PM | #81 | |
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-- if you noticed in the "beginning" "i said im a little new at this so please bear with me -- the CAN-Bus is designed as a dual channel communication network with a low and high speed channel -- correct ?" doesnt the preceding statement imply my lack of knowledge in this situation? or does it make you "feel" better to think i know something -- and spank me with your all-knowing paddle ? if i get something wrong -- school me -- dont scold me -- i a grown-up and would give you same respect -- |
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07-16-2009, 05:25 PM | #82 | |||
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07-16-2009, 05:36 PM | #83 |
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lets put it this way -- without injecting any semantical ambiguites ---
i stand corrected in my previous assumptions ... the rest of the conversation adds nothing to the topic -- true? i will do my due diligence in regard to bring myself current on CANbus .. |
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07-17-2009, 01:40 AM | #85 |
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07-17-2009, 02:42 PM | #86 | |
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It would be nice to stay on point as well... good dicussions sorta.. but seems to be degrading rapidly... |
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07-17-2009, 03:07 PM | #88 |
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If there is a technical discussion to be had between vendors, put out competing white papers, let the mods make a vendor-only thread, or here's an idea - both of you put your money where you mouth is and pay an independent reputable 3rd party to assess/test your claims - otherwise all this is just marketing yap for the sake of pushing $$'s (on both sides) Pedantic arguments, ad-hominums, deflection, progressive attacks, and .02 secs of actual technical data is all I see here (including my own dam post). Mods are too damn scared to take this forum out of the vendor's hands and back to the folks that visit here so often. Clean this @#$ up FFS. |
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