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Laptop Tuning
A new wave of laptop tuning tools have been coming to market
that allow users to directly modify the fuel and timing maps
of stock ECUs. These usually use the OBD-II port (On Board Diagnostics).
Some of them, such as the EcuTEK system for Subaru WRXs, can
directly read the LM-1’s digital data stream and display AFR
or lambda in the EcuTEK software. For all of them, you’ll want
to be carefully measuring air/fuel ratios (and other variables)
while you’re tuning.
Here is an excerpt from Modified Magazine, describing the use
of the LM-1 with EcuTEK software
The basic scenario is always the same: Use your LM-1 to log
AFR, RPM, MAP, etc. before and after each change.
Here are some links to the more popular laptop tuning solutions:
EcuTEK
TwEECer
GIAK
Revo Technik
Redline EFI
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