Notices
Forced Induction Turbochargers and Superchargers..Got Boost?

UTEC boost level fuel cutoff bad for motor?

Thread Tools
 
Search this Thread
 
Old Oct 23, 2013 | 09:02 PM
  #61  
phunk2's Avatar
phunk2
Registered User
 
Joined: Mar 2013
Posts: 329
Likes: 5
From: chicago
Default

and you think that "fuel cut percentage" is a percentage that injector pulse width is reduced rather than a percentage of skipped injection phases? im not the one looking at your table wrong jerry.
Reply
Old Oct 23, 2013 | 09:10 PM
  #62  
jerryd87's Avatar
jerryd87
Registered User
iTrader: (4)
 
Joined: Nov 2010
Posts: 2,439
Likes: 10
From: NE ohio
Default

why do you think its only low rpms i havnt configured that at all, doing it at high rpm is too dangerous but you know all right just waiting for your make believe people, oh my bad., "people from turbo xs, haltech and aem" to email you back right if im so horribly wrong and have no clue what im doing why do you keep responding?
Reply
Old Oct 23, 2013 | 09:12 PM
  #63  
phunk2's Avatar
phunk2
Registered User
 
Joined: Mar 2013
Posts: 329
Likes: 5
From: chicago
Default

cause im at the shop, inbetween running parts in the CNC, so I have some spare time to waste with you.. and since youre trolling so hard I am extremely excited for business hours tomorrow to come so i can own you! its been years since ive got into some internet arguement but youre a epic troll, reeled me in hard now im gonna finish this.

Last edited by phunk2; Oct 23, 2013 at 09:21 PM.
Reply
Old Oct 23, 2013 | 09:14 PM
  #64  
jerryd87's Avatar
jerryd87
Registered User
iTrader: (4)
 
Joined: Nov 2010
Posts: 2,439
Likes: 10
From: NE ohio
Default

oh yes totally going to own me, so you are the phunk from cjm huh? really shows poorly on the business glad we got that calrified since some of us where wondering. i always love it when people who cant even pull off what i do attempt to educate me
Reply
Old Oct 23, 2013 | 09:20 PM
  #65  
phunk2's Avatar
phunk2
Registered User
 
Joined: Mar 2013
Posts: 329
Likes: 5
From: chicago
Default

Originally Posted by jerryd87
oh yes totally going to own me, so you are the phunk from cjm huh? really shows poorly on the business glad we got that calrified since some of us where wondering. i always love it when people who cant even pull off what i do attempt to educate me
ill be sure and post email results tomorrow just so that anyone who bothers to read this far can know for sure one way or the other!

we have a score to settle here!

Last edited by phunk2; Oct 23, 2013 at 09:48 PM.
Reply
Old Oct 24, 2013 | 11:26 AM
  #66  
str8dum1's Avatar
str8dum1
New Member
iTrader: (11)
 
Joined: Oct 2007
Posts: 8,807
Likes: 7
From: raleigh-wood NC
Default

WTF is happening here? You can most certainly use fuel cut for the main rev limiter or overboost protection.

Most people use spark cut because you get the cool flames out the exhaust, not much other reason.

I'm sure you both did a google search and there is not 1 answer. Either is safe, using one over the other is personal perference.
Reply
Old Oct 26, 2013 | 01:22 PM
  #67  
rcdash's Avatar
rcdash
New Member
iTrader: (18)
 
Joined: Jul 2005
Posts: 6,474
Likes: 65
From: Chapel Hill, NC
Default

Well I missed this lively discussion. In most EMS systems I've dug into, the fuel cut is usually a 100% cut - spark and no fuel - perfectly safe. If the Infinity EMS allows a lean burn that would be quite unusual and dangerous. I don't understand why they would even allow it. I personally prefer a spark cut as it keeps the exhaust volume a bit higher to keep the turbos spooling but obviously bad things can happen if the condition persists, such as detonation in the manifolds. I think a complete fuel cut is probably safer. Just my opinion based on my experience with the Haltech.

jerry, phunk (charles) has been around a long time and a great supporter of this community. You both have experiences to contribute. Peace.
Reply
Old Oct 26, 2013 | 05:36 PM
  #68  
jerryd87's Avatar
jerryd87
Registered User
iTrader: (4)
 
Joined: Nov 2010
Posts: 2,439
Likes: 10
From: NE ohio
Default

the infinity has multiple different configurable items, as well as custom firmwares but its not just them. i just know for a fact from tuning the old 80's gm computers they used a lean burn too for rev limit, was pretty common to disable the computer rev limit and just use msd box's. mazdas do it too, a pretty big contributor in blown up rx'8s and why they are even willing to use the emanage ecu's. theres more out there that do it too, hence why i said his comment of no ecu using it is 100% false. he went on insulting me without having very much real experience outside a couple different ecu's which is a fallacy.


if you notice absolutely no where at all anywhere did i ever say "the utec uses lean burn so 100% dont use it" i said the only possible way for it to be remotely safe is if it completely cuts fuel. then he went on his long *** rant about how cut somehow means the same thing as deactivate or turn off instead of "reduction" that the definition of cut actually means.
Reply
Old Oct 28, 2013 | 11:55 AM
  #69  
phunk2's Avatar
phunk2
Registered User
 
Joined: Mar 2013
Posts: 329
Likes: 5
From: chicago
Default

both haltech and AEM responded to my emails... But I got over it and didnt want to rub it in your face. If you would like genuine forwarded copies, please PM your address.

BTW, I am still not buying what youre selling for Mazda or GM. I am confident that fuel cut is fuel cut. As stated in reply by Haltech; "I cannot imagine an EMS that would do this, it would most likely cause many catastrophic failures..."

Mazda and GM have to warranty their engines. There is no reason to program in some bad joke like a partial fuel cut. That is a lose lose situation for everybody. I doubt you are making it up.. I am sure some goofball said these things and they stuck in your head. But without any evidence that these OEMs would make such a mistake... I find it very hard to believe.

Honestly I do not want to be your enemy... I mean no disrespect and I make no assumptions about what you have or have not done. However it happened we ended up in this little mini battle but its just one stupid issue and really lets try and keep it from getting personal. Its too easy to get caught up in these things with no real benefit or win for anyone involved. I apologize for whatever inappropriate things I may have said in previous posts before I edited them out. I have a bad habit of getting irritated and posting replies before I have settled myself, and then I have to go back and edit.

Last edited by phunk2; Oct 28, 2013 at 12:18 PM.
Reply
Old Oct 28, 2013 | 12:46 PM
  #70  
jerryd87's Avatar
jerryd87
Registered User
iTrader: (4)
 
Joined: Nov 2010
Posts: 2,439
Likes: 10
From: NE ohio
Default

ill admit the mazda is by hearsay but the GM's from the 80's i know 100% i used to tune them back when there actually where "chips" that you had to pull out of the ecu, pull a sticker off the crystal window and set in the window or under a UV light to erase so they can be reflashed using moates equipment, although later switched to eeprom the stuff is out there.

again hence why i said "the only way for it to be remotely safe is if it completely cuts the fuel from the cylinder" never did say utec did it any other way but ill call a truce if your willing to.
Originally Posted by phunk2
both haltech and AEM responded to my emails... But I got over it and didnt want to rub it in your face. If you would like genuine forwarded copies, please PM your address.

BTW, I am still not buying what youre selling for Mazda or GM. I am confident that fuel cut is fuel cut. As stated in reply by Haltech; "I cannot imagine an EMS that would do this, it would most likely cause many catastrophic failures..."

Mazda and GM have to warranty their engines. There is no reason to program in some bad joke like a partial fuel cut. That is a lose lose situation for everybody. I doubt you are making it up.. I am sure some goofball said these things and they stuck in your head. But without any evidence that these OEMs would make such a mistake... I find it very hard to believe.

Honestly I do not want to be your enemy... I mean no disrespect and I make no assumptions about what you have or have not done. However it happened we ended up in this little mini battle but its just one stupid issue and really lets try and keep it from getting personal. Its too easy to get caught up in these things with no real benefit or win for anyone involved. I apologize for whatever inappropriate things I may have said in previous posts before I edited them out. I have a bad habit of getting irritated and posting replies before I have settled myself, and then I have to go back and edit.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
MM'08_350Z
VQ35HR
225
Apr 22, 2021 09:42 PM
Colombo
Forced Induction
35
Nov 9, 2020 10:27 AM
350z82
Exterior & Interior
19
Oct 1, 2015 06:25 PM




All times are GMT -8. The time now is 11:58 AM.