S2000 Engine Management Engine management topics, map and advice.

Flashpro

Old Nov 12, 2009 | 02:40 PM
  #31  
Gernby's Avatar
Former Sponsor
 
Joined: Mar 2002
Posts: 15,526
Likes: 19
Default

Originally Posted by Hondata,Nov 12 2009, 05:28 PM
Some human intelligence is needed when applying fuel changes - identifying trends etc. Otherwise we've found that users end up with a table that looks like a relief map of the alps, and wonder why their car doesn't run that well.
I understant that. However, if a user decides that he is going to apply some or all the suggested changes, it would be nice if it was easier to do. Afterwards, he (or she) could use the other automated features to smooth it back out.

I'm a software developer for PepsiCo, so I understand that giving users too much automation can be dangerous, but this doesn't really seem like one of those things. Making something unnecessarily time consuming doesn't make it safer.
Reply
Old Nov 12, 2009 | 06:09 PM
  #32  
HighwayStar's Avatar
Registered User
 
Joined: Feb 2007
Posts: 1,185
Likes: 0
From: Miami FL
Default

I have some questions if you can please take the time to answer them.

I had to remove my Test pipe casue of the CEL of the O2 Does this fix that so i casue use a test pipe and not get the o2 CEL

Mr car is stock at the moment i really don't have experience with ECUs Will i be able to use his well with out any experience.

if i return the setting to stock will a honda dealer know that i played with the ECU?
Reply
Old Nov 12, 2009 | 08:45 PM
  #33  
Hondata's Avatar
Former Sponsor
 
Joined: Jul 2001
Posts: 164
Likes: 0
From: Torrance
Default

Yes, you can disabled the secondary o2.

Yes, you can return the car to stock.
Reply
Old Nov 13, 2009 | 06:48 AM
  #34  
Gernby's Avatar
Former Sponsor
 
Joined: Mar 2002
Posts: 15,526
Likes: 19
Default

I'd really like to be able to datalog my brother's totally stock '06 S2000 without having to un-Flash and un-Lock it from my S2000. Will it do that?
Reply
Old Nov 13, 2009 | 03:35 PM
  #35  
jdsaini's Avatar
 
Joined: May 2007
Posts: 159
Likes: 0
Default

I just got my flash pro this week and have been playin around with the different calibrations. I have never tuned a car before so i want to make sure that i am doing it correctly. I currently reflashed the computer with the toda flash and after data logging it i noticed that the low cam is running lean and the high cam is running rich. The low cam is showing on the lambda adjustment that i need to add fuel anywhere from 15% to 5%. The high cam is showing that i have 20% to 10% to much fuel. So when i tune the fuel i should have everything neutral on both the low and high cam with the af ratio around 14.7? Also is it safer to run the car a little rich like 1% to 2% over? My current set up on the car is an asm header, greddy single exhaust 70mm, hondata IMG, and a k and n drop in filter for the stock intake box. Any help would be appreciated.
Reply
Old Nov 13, 2009 | 03:50 PM
  #36  
Gernby's Avatar
Former Sponsor
 
Joined: Mar 2002
Posts: 15,526
Likes: 19
Default

Originally Posted by jdsaini,Nov 13 2009, 06:35 PM
I just got my flash pro this week and have been playin around with the different calibrations. I have never tuned a car before so i want to make sure that i am doing it correctly. I currently reflashed the computer with the toda flash and after data logging it i noticed that the low cam is running lean and the high cam is running rich. The low cam is showing on the lambda adjustment that i need to add fuel anywhere from 15% to 5%. The high cam is showing that i have 20% to 10% to much fuel. So when i tune the fuel i should have everything neutral on both the low and high cam with the af ratio around 14.7? Also is it safer to run the car a little rich like 1% to 2% over? My current set up on the car is an asm header, greddy single exhaust 70mm, hondata IMG, and a k and n drop in filter for the stock intake box. Any help would be appreciated.
It's much safer to run rich than lean, and 14.7:1 is only safe while at partial throttle. If you are tuning for heavy throttle, then 13:1 would be as much as you should tune for at first. I think you should back off a bit, and start over with the "S2000-US-2-Tuned" calibration as your starting point. Hondata has given us the "super admin access" to destroy our engines VERY QUICKLY.
Reply
Old Nov 13, 2009 | 03:58 PM
  #37  
Gernby's Avatar
Former Sponsor
 
Joined: Mar 2002
Posts: 15,526
Likes: 19
Default

jdsaini, I'm really scared for you right now! It is NOT SAFE to just try out different calibrations! It doesn't take more than a minute to destroy an engine!
Reply
Old Nov 13, 2009 | 04:04 PM
  #38  
jdsaini's Avatar
 
Joined: May 2007
Posts: 159
Likes: 0
Default

Thanks for the info gernby. I was planing on going back to the us-tuned. I just want to make sure that I am adjusting fuel correctly. I am a total newb when it comes to tuning. Ill stick with the lambda adjustments. I also noticed that i am getting 1 knock on my number 4 cylinder at 7000 rpm every once in a while on my data logs. After reading the help files I found that you can adjust this through the individual cylinder ignition trim. I am just going to follw there directions to fix this little problem. What do you think is a good starting rpm window? Should I start at 4500 or set it a little higher?
Reply
Old Nov 13, 2009 | 04:09 PM
  #39  
jdsaini's Avatar
 
Joined: May 2007
Posts: 159
Likes: 0
Default

I have only been using the calibrations provided by hondata. I started with the us-tuned and then i tried the toda after they released it. I have only done fuel adjustments to correct for fuel. I wanted to see which calibration worked best with my set up. I have not done any other tuning with the set calibrations.
Reply
Old Nov 13, 2009 | 04:16 PM
  #40  
jdsaini's Avatar
 
Joined: May 2007
Posts: 159
Likes: 0
Default

Trust me i am afraid to do anything until i know for sure what i am doing. I am following the instructions in the help file. I am just trying to get some tuning feed back to get my car tuned safely. My main goal is to have correct af ratio. I will take it in to have it dyno tuned when finaces allow me to. So i am not to conserned with optimal power through out the power band. I will let a profesional tuner with experience do that.
Reply


All times are GMT -8. The time now is 05:49 AM.