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Question - Alt Map Switching and Injector Latencies

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Old Nov 22, 2009 | 08:53 PM
  #1  
SeanV's Avatar
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From: South Africa
Question - Alt Map Switching and Injector Latencies

Please help....

Currently I have FIC BlueMax 1250's installed in my car and using TedB's (thx ) latencies, I have them pretty much dialled in perfectly for pump gas use.


Code:
93 Oct
Scale: 1271
4.7v - 4.8
7.0v - 2.4
9.4v - 1.896
11.7v - 1.368
14.1v - 0.96
16.4v - .744
18.7v - .456

E85
Scale: 860
4.7v - 4.8
7.0v - 2.4
9.4v - 1.896
11.7v - 1.368
14.1v - 0.96
16.4v - .744
18.7v - .456


This should get you squarely in the ballpark.
I am using Tephra's latest 96530706 V7 on my car and make use of map switching....
whereby my main map is for low boost/pump gas, while my Alt Maps is for high boost/E50 mix.

My question...... there is an Alt Injector latencies for map switching but there is nothing (or none that I can see) for Alt Injector latencies.
I see an "ALT Cranking Enrichment IPW Adder" but based on the table name, it seems to be for cranking enrichment only.

Currently my car is idling (with closed loop enabled) at 14.7 - 14.8 Afr's on pumps gas, but when I switch over to Alt Maps, it idles at 10.8 to 11.1 Afr's.

Without any Alt Injector Latecies, the only solution I can see is to force the car permanently into open look and control all the fueling with the fuel map.

Is this the best way of doing this or are the other solutions I am not aware of.

Thx.

Last edited by SeanV; Nov 23, 2009 at 09:01 AM.
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Old Nov 22, 2009 | 09:19 PM
  #2  
ziad's Avatar
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From: Melbourne
i am using the live map version of 9653 and there are two scalings in the defs that i downloaded... make sure u do not have any old defs in your directories (delete them) and put the one from the zip file back in again and test.... i forget under which heading it was though.
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Old Nov 23, 2009 | 08:55 AM
  #3  
fostytou's Avatar
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From: Aurora, IL
As answered in the threads for the last 3 tephra mods - you probably have the scalings for both an older version and a newer version in the same XML. If this is the case other values that you edited may very well be wrong. You should re-do your mod with 2 seperate instances of the program running to copy your values from one instance of ecuflash to the other.

If not, you didn't put the table in your rom. It is definitely there.


-----

EDIT: Unless you meant to say there is an alternate injector scaling but no alternate injector latencies. If that is the case, your alternate injector scaling is off. You shouldn't need new latencies (the values you posted even describe just that). These should be static for any fuel at the same pressure level.

Last edited by fostytou; Nov 23, 2009 at 08:58 AM.
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Old Nov 23, 2009 | 09:05 AM
  #4  
SeanV's Avatar
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From: South Africa
Originally Posted by fostytou
As answered in the threads for the last 3 tephra mods - you probably have the scalings for both an older version and a newer version in the same XML. If this is the case other values that you edited may very well be wrong. You should re-do your mod with 2 seperate instances of the program running to copy your values from one instance of ecuflash to the other.

If not, you didn't put the table in your rom. It is definitely there.


-----

EDIT: Unless you meant to say there is an alternate injector scaling but no alternate injector latencies. If that is the case, your alternate injector scaling is off. You shouldn't need new latencies (the values you posted even describe just that). These should be static for any fuel at the same pressure level.
Duh yeah sorry about that, u are right. I meant to say Alt Latencies and not scalings (I got the thread title right)

Ok...so this was a dumb question then, lol I should have seen that both latencies were the same.

Time to bring the scalings a few notches up then.

Thx for ponting me in the right direction.
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