Thanks TFZ ZO6..

Thats a good tip. We may be able to get this to work in the current form.

Joe, the problem with the Frame lagging appears to be isolated to WO2BEN1 Pid. It does not lag when computing LTFTBEN's. Perhaps the PRC of the LTFT Bank1 & 2 are pertinent.

Anyway I got it to work by doing this:

*CLC-00-220 factor 0.5 1.5 .4 "iff({GM.EQIVRATIO} > 1 && {SAE.RPM} > 1200, {GM.EQIVRATIO} * {EXT.WO2LAM1}, {CALC.LTFTBEN})"

I simply utilized the entire expression. It would still work with CALC.PE Mode expressed, but it was when I replaced the WO2BEN1 expression that it solved the lag problem. Perhaps it was having to compute WO2BEN1, then LTFTBEN..compare then re-compute.

Give it a shot.