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Old 04-04-2010, 11:41 PM   #1
puerto_rico_nc
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Member#: 102852
Join Date: Dec 2005
Chapter/Region: South East
Location: North Carolina
Vehicle:
06 sti
WRB

Default leaning out for crusing

Is there a way to lean out 06 sti for better gas mileage more then 14.7 Something like 15.5-16.0??
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Old 04-05-2010, 04:11 PM   #2
arghx7
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Member#: 232940
Join Date: Dec 2009
Location: cold
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yes, there is a closed loop targets table. here it is on an 05 LGT, stock and my current values:



and a log of steady-state highway cruising after these settings were applied:



just be careful, if you go too lean you will encounter some stumbling. And the engine doesn't seem to tolerate much leaner targets at idle or right off idle.
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Old 04-05-2010, 09:41 PM   #3
424wrx
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Member#: 171948
Join Date: Feb 2008
Chapter/Region: Tri-State
Location: new york
Vehicle:
08 wrx vf52,stg3
11 forester,14 legacy dd

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