they do it at the start but start to stop doing it after a while, the 60mm throttle body pretty much stops it all together
starting the MR200 sounds like your starting with the accelerator down, it goes to 3k then down to 2 and sits there for a second or 2 then drops right down to idle
_________________________
Red Escort 1.6LX
Then - Red Escort 1.4
Then - Silver Fiesta ST 170BHP
Then - White Fiesta ST MR200+
Now - Mitsubishi Evo IV Forged 2.3 500BHP
and Mondeo Mk3 2.0TDCI