Tuning with Durametric: a primer - Page 3 - 6SpeedOnline - Porsche Forum and Luxury Car Resource

997 Turbo / GT2 20062012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.

Tuning with Durametric: a primer

  #31  
Old 02-12-2012, 08:28 PM
bbywu's Avatar
Administrator
Thread Starter
Join Date: Jan 2007
Location: OR Room 5
Posts: 10,847
Rep Power: 1002
bbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond repute
Are you trying to read the data when the car is running?
 
  #32  
Old 02-13-2012, 01:09 AM
Registered User
Join Date: Feb 2012
Location: TURKEY
Posts: 2
Rep Power: 0
997ANK is on a distinguished road
Originally Posted by bbywu View Post
Are you trying to read the data when the car is running?
yes car is runing i Check the boxses
 
  #33  
Old 02-13-2012, 01:12 AM
boyg's Avatar
Registered User
Join Date: May 2011
Posts: 418
Rep Power: 28
boyg is just really niceboyg is just really niceboyg is just really niceboyg is just really niceboyg is just really nice
I have another issue that the logging stopped in btw, and reinstall not helps.
 
  #34  
Old 02-13-2012, 02:20 PM
bbywu's Avatar
Administrator
Thread Starter
Join Date: Jan 2007
Location: OR Room 5
Posts: 10,847
Rep Power: 1002
bbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond repute
You should try and contact Durametric directly. If the OBD interface is active, your car is running, and you have correctly selected the ECU, the data should be displaying.
 
  #35  
Old 02-14-2012, 05:21 AM
milou's Avatar
Registered User
Join Date: May 2008
Location: Cyprus
Age: 36
Posts: 1,794
Rep Power: 104
milou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond reputemilou has a reputation beyond repute
You might be using an old software version
 
  #36  
Old 03-28-2012, 02:04 AM
rix's Avatar
rix
rix is offline
Registered User
Join Date: Mar 2011
Location: Dallas, TX
Posts: 1,033
Rep Power: 154
rix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond reputerix has a reputation beyond repute
Something to keep in mind is the type of fuel you are running. In Texas anyway (and I suspect in a lot of places) 93 octane fuel is actually an E10 (10% ethanol, 90% gasoline) blend.

The wideband sensor does not determine what percentage of the fuel is alcohol, it measures the amount of oxygen present and delivers a lambda number.

1.0 lambda on gasoline = 14.68
1.0 lambda on E10 = 14.13
1.0 lambda on E85 = 9.85

If the fuel you are using is an E10 blend you will normally see a small notice on the pump that states that the fuel you are using may contain up to 10% ethanol by volume. Read this to mean that it DOES contain 10% ethanol, and you are running E10 as opposed to pure gasoline.

My Turbo (stock except for Europipe/BMC filter) seems to run about .84 - .86 lambda through the power band, getting richer towards the top.

The formula for this is simple;

(Stoich)x(Lambda)=AFR

E10 AFR at .86 lambda
(14.13)*(0.86)=12.15 AFR
E10 AFR at .84 lambda
(14.13)*(0.84)=11.86 AFR
Gasoline AFR at .86 lambda
(14.7)*(0.86)=12.6 AFR
Gasoline AFR at .84 lambda
(14.68)*(.84)=12.33 AFR

Most inexpensive aftermarket wideband setups measure lambda, but then multiply the result by 14.68/14.7 to give you an AFR number on the display. Keep in mind that depending on the fuel that may not be entirely accurate. It's probably best to ditch using AFR in general to describe fueling, and stick with referencing Lambda values as they are consistent across fuel types.

Hope this helps.
 
  #37  
Old 05-03-2012, 06:56 PM
bbywu's Avatar
Administrator
Thread Starter
Join Date: Jan 2007
Location: OR Room 5
Posts: 10,847
Rep Power: 1002
bbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond reputebbywu has a reputation beyond repute
Good info - thanks for posting!
 
  #38  
Old 05-07-2012, 11:29 PM
Registered User
Join Date: Jun 2008
Location: Florida
Posts: 1,387
Rep Power: 97
ExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond reputeExclusiveTT has a reputation beyond repute
great info in this thread. Thanks bob!
 
  #39  
Old 05-18-2012, 03:00 PM
kkswow12's Avatar
Registered User
Join Date: Feb 2011
Location: solingen, germany
Posts: 1,069
Rep Power: 54
kkswow12 is just really nicekkswow12 is just really nicekkswow12 is just really nicekkswow12 is just really nicekkswow12 is just really nice
subscribed

sub;d
 
  #40  
Old 10-27-2012, 08:17 PM
GU10TG's Avatar
Registered User
Join Date: Mar 2009
Location: Dallas
Posts: 116
Rep Power: 18
GU10TG is just really niceGU10TG is just really niceGU10TG is just really niceGU10TG is just really niceGU10TG is just really nice
Great writeup...very helpful!!!

Which Durametric values should we monitor for AFR that you referred to as "pre catalytic actual lambda"?

These two?
Oxygen sensing, bank 1 Lambda Value
Oxygen sensing, bank 2 Lambda Value


Danke schon,
Cliff
 
  #41  
Old 04-06-2013, 04:12 PM
Registered User
Join Date: Apr 2006
Location: Porsche Planet
Posts: 140
Rep Power: 20
stv951 is a jewel in the roughstv951 is a jewel in the roughstv951 is a jewel in the rough
Originally Posted by GU10TG View Post
Great writeup...very helpful!!!

Which Durametric values should we monitor for AFR that you referred to as "pre catalytic actual lambda"?

These two?
Oxygen sensing, bank 1 Lambda Value
Oxygen sensing, bank 2 Lambda Value


Danke schon,
Cliff
Any answer to this pls. .?
 
  #42  
Old 04-09-2013, 09:42 AM
GU10TG's Avatar
Registered User
Join Date: Mar 2009
Location: Dallas
Posts: 116
Rep Power: 18
GU10TG is just really niceGU10TG is just really niceGU10TG is just really niceGU10TG is just really niceGU10TG is just really nice
The Excel File has this in it as the column header, and this is what Softronic needed:

Actual lambda value bank 1
Actual lambda value bank 2

Thanks,
Cliff
 
  #43  
Old 08-15-2013, 03:07 AM
Registered User
Join Date: Apr 2006
Location: Porsche Planet
Posts: 140
Rep Power: 20
stv951 is a jewel in the roughstv951 is a jewel in the roughstv951 is a jewel in the rough
Bump.
Gr8 thread.
Any updates on this ?
 
  #44  
Old 12-08-2013, 03:42 AM
johnny.dangerous's Avatar
Registered User
Join Date: Nov 2013
Location: UK
Age: 54
Posts: 687
Rep Power: 46
johnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud ofjohnny.dangerous has much to be proud of
Some great information here guys, I need to log a few things on my 996 Turbo using a pro cable and latest software, problem is I am a complete numpty when it comes to either 1) using a PC and 2) learning how to do things from written instructions (if i watch someone then I sorted) is there a step by step guide on how to log using the durametric ??? Thanks guys, also can we see turbo actuator duty cycle? Ive had to refit my stock actuators to work with the APR remap i am trying out and I struggled to get the car to hit over a bar of boost, ive put quite a lot of preload on the actuators and now hit 1.1 bar but APR have told me to log requested and actual boost and also the duty cycle to fine tune the actuators (ie the lowest duty cycle to hit the requested boost) I know the actuators are fine as they were holding 1.2 bar on our own map.
 
  #45  
Old 11-23-2014, 09:37 AM
Bruce in Philly's Avatar
Registered User
Join Date: Mar 2013
Location: Philadelphia
Posts: 139
Rep Power: 16
Bruce in Philly is a glorious beacon of lightBruce in Philly is a glorious beacon of lightBruce in Philly is a glorious beacon of lightBruce in Philly is a glorious beacon of lightBruce in Philly is a glorious beacon of lightBruce in Philly is a glorious beacon of light
Help with reading live oil temps..

Help with reading live oil temps.... I am getting bogus values and I am not sure which item to select to get a good read. Any help here? Also, can I pull my gear number and what Dura parameter (manual box)?

2009 C2S.. I know this is the turbo forum, but you guys appear to be the smartest (!!).

Here is a longer post I made over at the other board: http://rennlist.com/forums/997-forum...l#post11824504

Here is a link to the Durametric output for live values I collected, notice the oil temp readings are really bizarre. http://mywebpages.comcast.net/bruced...r/C2SDURA1.xls

Peace,
Bruce in Philly
 

Last edited by Bruce in Philly; 11-23-2014 at 09:46 AM. Reason: Added title...

Thread Tools
Search this Thread
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 2 votes, 5.00 average.

Quick Reply: Tuning with Durametric: a primer


Join 6SpeedOnline
Visit our Sponsors

Contact Us About Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

© 2018 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.