saturated vs. peak and hold injectors

Rausch, Bernd br at rnt.de
Thu Sep 20 21:39:06 GMT 2001


sorry, wrong e-mail format. again:

This is what I want to do:
I have extracted the fuel and ignition maps of a ECU, which I have now
in Excel Tables. These maps are used with 510ml/min p&h injectors.
I am using a different ECU on my engine (Pectel T6M) with saturated
510ml/min injectors. Now I want to install the maps from the stock ECU
into the Pectel system and need to know, how much I have to correct for
the different injectors. I have read, that a saturated injector has a
topen-tclose of about 500ms (at 13,2V). I need to know this figure for a
p&h injector.
 
Here is the idle map of the engine (uncorrected for topen-tclose,
measured). The value at the left is map (absolute):
 
 
0,75      1471 1432 1420 1431 
0,50      1162 1110 1127 1124 
0,30       899  897  902  897 
n (1/min)  500 1000 1500 2000 

 
Best regards,
Bernd
 
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