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Re: NA I-5 performance suggestions
>I assumed that the CIS-E "chip" mods offered by TAP, etc. just reprogrammed
>the actuator current increase on WOT to a higher value. This gets you close
>to 12.6:1 without much danger of going over-rich.
this is how the autotech mod works for my 86 gli (1.8l I4 8V).
it also has a calibrated, externally adjustable pot to set the module for
various levels of performance upgrades and engine sizes (essentially it is set
based on volumetric flow.) it might even be p&p for the I5.