I go open loop at 100tps adc so I'm only putting in around 30 deg of advance around that point. On these throttle bodies, there is hardly any MAP change between 100tps and 220 tps - You can see between 130 tps and 220 there is a minimal VE increase. To keep the engine at steady @ 5000rpm needs about 75tps - that's 35 deg adavnce on my map.
EDIT: - What Garage19 said
By the way - it would be really hard to hear pinking in a Westfiled I would imagine - that's why I've been (I think) cautious on the ignition map so far.