95 blazer 4.3 vortec cranks no start
 

I just bought a 95 blazer and it ran for 3 days it had some knocking sounded like the valves and had a bad miss I was driving it today and it stalled and wont start now whene you crank it its like its out of time and back fires in the intake any help????

well this web site dident help me thank for nothing

Well, so sorry we failed to give you your money's worth! Everybody here gives help for free when they have the chance to answer. Patience is usually rewarded.
Have you had the coil tested?

Holy crap! you waited 15 hours before making a stupid comment like that...? Good luck.