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MM2
#1
I’ve heard that the MM2 is good on the CM871, but I’ve also heard it’s bad according to other people’s.
What’s the truth out there?
#2
(11-26-2017, 11:14 AM)RaZoR Wrote: I’ve heard that the MM2 is good on the CM871, but I’ve also heard it’s bad according to other people’s.
What’s the truth out there?

If I were you I’d look over what is being changed in that overlay file and make a decision for yourself. You could also strike up a conversation with the creator, Rawze. I don’t think he’s on this forum but he has his own forum. 

I personally haven’t seen a problem in the later versions. Earlier versions tricked a sensor which wasn’t the best method.
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#3
(11-26-2017, 11:16 AM)Rocinante Wrote:
(11-26-2017, 11:14 AM)RaZoR Wrote: I’ve heard that the MM2 is good on the CM871, but I’ve also heard it’s bad according to other people’s.
What’s the truth out there?

If I were you I’d look over what is being changed in that overlay file and make a decision for yourself. You could also strike up a conversation with the creator, Rawze. I don’t think he’s on this forum but he has his own forum. 

I personally haven’t seen a problem in the later versions. Earlier versions tricked a sensor which wasn’t the best method.

I couldn't have answered better myself. MM2 isn't bad provided your using the latest version on the correct engine.
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#4
I run it and have no problems
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#5
Exclamation 
(12-01-2017, 04:52 PM)DieselDwarf Wrote: I run it and have no problems

Just be careful. Older versions had some whacked timing in them. So bad it makes me cry at night.  Confused
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#6
Mm2 is the only decent tuning I know, I am not saying there aren’t other individuals who can’t tune with out the guidelines of milk money, all I’m saying is mm was the first proper demandate that I put in my truck, no the first revisions probably were not perfect but I can tell you this, I would much rather run them then a big name delete company tune, please don’t delete this forum master, I know who I give credit for the original best demandate, he might not be a part of this forum, it is acceptable to fine tune behind him and call it your own, but the guy deserves some respect
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#7
(01-08-2018, 03:07 AM)cumapart Wrote: Mm2 is the only decent tuning I know, I am not saying there aren’t other individuals who can’t tune with out the guidelines of milk money, all I’m saying is mm was the first proper demandate that I put in my truck, no the first revisions probably were not perfect but I can tell you this, I would much rather run them then a big name delete company tune, please don’t delete this forum master, I know who I give credit for the original best demandate, he might not be a part of this forum, it is acceptable to fine tune behind him and call it your own, but the guy deserves some respect

I didn’t delete it, just hid for review. We try to be very careful when giving tuning advice. I’m not saying MM2 is bad. We just have to be careful people don’t start pushing old versions of MM2 to the wrong CPLs. I’ve spent hours pouring over various overlays. Because MM2 was released for the 871 and the 2250 we need to distinguish which one we are talking about so others don’t get confused.
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#8
Makes sense, because I have seen the small cpl’s have crazy timing stock on the 2250, where as the bigger cpls it’s backed off some, probably due to bigger injectors, am sure it’s simuler on the 871 as well, but like I said I believe these newer commen rail with the sharper spray angle injectors and higher compression ratios not to mention using egr to delay injection timing, the newer 2350 and x15’s in my opinion are finicky with timing, disable egr and pulse injection and you could be flashing the cylinders meaning, instead of the flash happening on the piston crowns it’s now happening earlier and flashing the liners before the piston comes up on the compression stroke, yeah I know what your thinking, 4 cycle Diesel, intake, compression, fire, exhaust, but the reality is most engines inject fuel on the late stages of the compression stroke to mix the fuel air, the problem is with higher injection pressures sharper spray angles and higher compression ratios and then using egr to not only reduce peak cylinder temps but also now delaying injection timing, we now have a very touchy finicky engine that is sensitive to being demandated, just killing the egr will advance the timing to almost or most certainly unsafe levels, disable pulse injection and it gets worse, ........... you see were this is going droped liners blown head gaskets and cracked heads not to mention fuel impingement
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#9
(01-08-2018, 03:35 AM)cumapart Wrote: Makes sense, because I have seen the small cpl’s have crazy timing stock on the 2250, where as the bigger cpls it’s backed off some, probably due to bigger injectors, am sure it’s simuler on the 871 as well, but like I said I believe these newer commen rail with the sharper spray angle injectors and higher compression ratios not to mention using egr to delay injection timing, the newer 2350 and x15’s in my opinion are finicky with timing, disable egr and pulse injection and you could be flashing the cylinders meaning, instead of the flash happening on the piston crowns it’s now happening earlier and flashing the liners before the piston comes up on the compression stroke, yeah I know what your thinking, 4 cycle Diesel, intake, compression, fire, exhaust, but the reality is most engines inject fuel on the late stages of the compression stroke to mix the fuel air, the problem is with higher injection pressures sharper spray angles and higher compression ratios and then using egr to not only reduce peak cylinder temps but also now delaying injection timing, we now have a very touchy finicky engine that is sensitive to being demandated, just killing the egr will advance the timing to almost or most certainly unsafe levels, disable pulse injection and it gets worse, ........... you see were this is going droped liners blown head gaskets and cracked heads not to mention fuel impingement

They (Engine Manuf) did this for the very reason to comply with high regulation from the EPA. They had to make it difficult to delete these various emission modules. Everything is a needle-size adjustment. It has to be just right or you’ll very likely be dropping some liners, especially on the 2250/2350. Hell, they have liner issues without a demandate. I won’t even get into the amount of turbos I’ve seen blown because guys just go file flashing trigger happy. Give someone a copy of Calterm and they will march off and start tuning all their friends trucks. All the sudden they’re tune gods.
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#10
(02-17-2018, 12:40 PM)MaraJin Wrote: Some very good words spoken here. Here are my thoughts...

I doubt Rawze himself will post on these subjects with his own nickname with too much details in the public view these days. It has been said that his name, videos, and who he is is just too exposed and open for that kind of direct stuff. Helping people on his own forum with trucks is more important than details of tuning talk.

I have followed along since the beginning with all this stuff before it was even called "mm". I remember when guys stole his articles and re-posted them on DK. I remember him being asked to join mhh by his friends back when it was a great place to hang out. I remember him being ridiculed by others way back then and told that Caltrm could not even do the things he was doing with it.

This stuff happened Long before those sites became nothing but corrupt shit-holes filled with greed and self-proclaimed 'tuning gods'. Hopefully this new site here will not suffer the same fate of greed and will be more open in its information sharing. Time will tell.

 I even remember back in 2012/2013 when he released the first bits of info on places like DK and a few other document sites. The guys first notes on it that he shared can still be found because others copied it and called it their own delete. The very first postings by him can still be found in its original context if someone does a google search of

--= digital-kaos "I am by no means an expert on this Calterm software" =---

Some guy named 'psoler' re-posted it on DK and copied it word for word but removed the authors name from it. Reading the thread/posts down further even back then, the author did not mind that others were copying his work.

~ guy has never claimed to be an expert. Still does not to this day, but certainly knows far more than he puts out on the Internet for others to use.


~ guy said back in those days that everything he did came by tinkering with his own stuff for (quote)-"the purpose of engine exploration and the pursuit of the almighty MPG".

  I re-read that old post and article just now and it seems clear to me that the guy had pretty much mastered Ct, ecfg's, and such more than 5+ years ago. Things like editing the xml for better access and things. This stuff has all moved forward by leaps and bounds since then and the guy has been on the leading fore-front knowledge-wise on ecm tuning ever since.

Back then though, it is obvious now that he did not know very much about injection timing other than to say roughly that some books he read said +12 to +14 is too much and that +8 is max you can push an isx if you don't want to make power. Obviously that info is out-dated and kind of incorrect at high hp. Most decent tuners should know this these days and for those who have followed the MM work closely knows that is why it is always evolving and having updates as the info gets better and better. The guy was clearly looking for max mpg back then and not more power and there is some serious mpg gains when you do it that way for those who wanted mpg over power.

I know he went to, or talked extensively, with all the big name places like PP, PDI, etc. over the last few years and talked to the guys at DS and Jball and many other shops at one time or another offering to work with them and help them get better at what they were making. Maybe he did not have all the answers but even his earliest work was a far cry better than what any one else was doing at that time.

In return for offering to help others with tuning though, he has only mostly ever gotten spit on, ridiculed, made fun of, shot down, fake stories made up about him and the things he has done, his work stolen, and all the other bad things that others do when they hide behind a computer screen.

None of that stops him though because he genuinely is just trying to help others + share information openly. I have never seen the guy ask for anything in return. Not money, not fame, not anything, and he does not even do the stuff himself for a living, so there is nothing in it for him. His loyalty is in the guy who owns the equipment and he will tell you this real fast.


He used to post a lot of articles about tuning and engine modes and stuff long before anyone even knew what a "chi-mode" even was. All those old articles and posts have been deleted by all those sites and greedy bastards who want to hide that information so they can sell it instead.

 The irony in all this discussions is that All these guys who hate and dispute that work and his efforts to help others, every one of the critics, have used the very info or articles that was mostly written by him at some point along the way in their stuff. I also find it very ironic that every single one of those same "harsh critics" own work is far worse too. This points directly to a lashing out by those who don't know the answers to this stuff themselves and then go about bashing others simply to cover it up. It only makes them look unprofessional and bad with all their exaggerated bragging and false claims against it.


  Not trying to toot any horns here. I have seen my share of mistakes, trials and tribulations both good and not-so-good in what he does and the ideas he presents to others. I know one thing though. That is the fact that you can put anyone in a room with him that is not pig-headed towards themselves, even the manufacturer, and he will walk circles around what they know, humbling them in a hurry. He will be the first to tell you that he does not have all the answers though too. All this stuff and all these new engine designs are so new, even the manufacturer has trouble figuring them out.

Go find and ask anyone you like who has met him face to face in person and spent a day or so over at his place. They will say these same things but it is not because he wants to show anyone up. The guy just has a deep passion and understanding for the stuff. He simply likes to share it with others openly and freely to better what we all do out here, even if it is someone who does not like him so much.


Anyone who would dare to discredit what he stands for and the open, free help he offers for both the trucking and tuning community alike is someone who is closed minded and simply arrogant. Does the guy have all the answers?- Nope! No one ever does, but he has a lot to contribute that is far ahead of most, and offers to share it freely even for those who disagree as long as they are willing to be open minded about it.

That is my own opinions only, I am sure that not everyone has the same viewpoint. I say, let a mans actions and willingness to improve themselves, what they do, and to help those around them define who they are. This is what counts in my book, everything else is BS.

I heard rumor that Zynot went over to his house for a couple days recently and asked about several of the settings found in the latest version of the 2250 and 2350 mm tune. Would be interested in finding out his thoughts on it good, bad or otherwise.

We welcome all information and I personally thank you for the information you have provided. We strive to be as open as possible and will not fall to greed. We understand that the Programmers here sometimes need monetary support and we leave it up to them in that regard. We want to be different, we do not support greed as other forums have fallen victim to. We hope you enjoy your stay!
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