MAF & base fuel tables

W Johnson flying.chimp at juno.com
Thu Jun 24 13:29:21 GMT 1999


Hi Bob

On Wed, 23 Jun 1999 17:34:20 -0400 "Knowlden and/or Eller" <ke at clark.net>
writes:
>Just had another thought - the screens wouldn't make any difference. 

Right, the calibration would still be correct. FYI  I tested stock MAF
w/o screens and air flow increased about 2 numbers.

>something
>called ALDL spark add which basically says that while the system is in 
>ALDL
>mode 8 degrees (according to the memcal) will be added to the spark 
>timing.

This doesn't seem to be an issue when checking spark timing with Diacom,
but there is a power enrichment addition of some where around 4 deg.s. If
you look at the LV8 and allow for Spark Retard and Power Enrichment the
spark will be right where its suppose to be. The problem is, if air flow
numbers are incorrect, LV8 is incorrect and the wrong spark timing will
be used. (clear as mud?)

Cheers,
Wayne Johnson
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