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Engine Mapping & Air Fuel Ratio?
Anyone got any info about mapping. I've got the wideband O2 sensor setup now, and can twiddle with my fueling.
What sortof lambda values should I be aiming for? I heard maximum power is around 12.5 or something but i'm not really clued up on mapping at all.
Any advice, links or info welcome
Cheers
Simon
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Quick update.... on the present 'map'
At the moment its running 14.7 AFR on idle town driving heading towards 12 when booting it, and around 10 just below redline (seems a bit rich to me?)
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14.7:1 at idle and 11.5:1 under boost, as standard under boost goes really rich 10:1 which decreases power somewhat, really need safc or ecu upgrade to map it
if you look here
http://www.mrcontrols.com/primers/power.htm
theres loads of info
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I'm running an n/a at the moment (no supercharger as yet :( ), and i'm using an SAFC-II to map the fueling.
Cheers for the link
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would of thought if na best to run around 13:1 for maximum power but need rolling road really
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