what year ? do you have a resisitor box ? if you don't you probably are flooding the engine..........if you are unsured if the timing is right start with a compression test.hope this help..............
__________________
My shit still slow
618 whp 492 ft/lbs at 22 psi (Low Boost)on pump gas ,
stock block ,more power coming soon ,stay tuned 
Tuned by Alpha @ Induction Performance