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Tell me what you think.
If we start with a blank timing map (because we want to or because we have no choice) would it be right\smart to tune as follow ?:
set base timing
set all map to 10-15deg
ramp run through all the rpm range (or part of it)
then add 5 deg
ramp run again (with det cans all the time)
see where you pick power and where not
where you did not pick power back 5 deg
where you did pick power add 5 deg more (on high rpm and boost we can use lower increments)
Of course with paying attention to knock and backing down a few deg where knock is present.
Fuel tuning as needed.
other prons and cons ?
This is essentially part of the technique presented in our practical tuning course. You've skipped the steady state tuning part though which I'd suggest is essential if you are on a dyno as it builds the shape/trends into the table before you start performing WOT ramp runs.