I have a pair of nike pegasus and i want to know if they will improve my sprinting from my old shoe?

i used to have a pair of nike woffles and i used them for sprinting in and i got times on 100m around 15.2 but i brought some nike pegasus and i really need help with someone tellin me if i will run abit faster they are alot comfyer and everything i just need some help in tellling me if they will speed me up even a tiny bit like 0.20 seconds???????? helpp