Running a b16a2 94 hatch with drag gen 3, my car was very responsive in all gears, as soon as i floored it in low speeds it wud pull away quickly but now the turbo wizzez and slowly pulls the car and as soon as the vtec hits in, a tummbling noice just like a drill or tractor! it still moves quick and generally the car feels gud, can the wastegate be stuck o dead?? can sum1 help??

 

from what you are describing it sounds like its detonating