Quote:
Originally Posted by ryanmt
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cheers man I'll have a read of it now
Quote:
Originally Posted by axsaxoman
you can get gains but not by using std ecu +narrow band --you are stuck with the preset lambda values .
std ecu runs WOT too rich to be honest -
it is quite normal for customers to remark on the better economy after having fitted t/bodies --when cruising back home --thats because we have better control of fuelling than the std ecu .
you can run 16-1 or 17-1 on LIGHT cruise ,but NOX levels rise --thats why 14.7 is lambda 1 and what std cars are set to--for emission regs
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Thanks again John, really appreciate your thoughts. So you're saying even with the standard FPR and ECU that the AFR is still too rich at WOT? blimey.
Yeah I forgot about the rising NOx for leaner conditions! There's a graph somewhere showing the variation of HC's, COx, NOx with AFR which is interesting. Ta!