car wont start

ok so here's the deal. i have a 93 tallon which i bought for dirt cheap...... score..... a couple months after buying it it shot a valve through the number one piston.......... anger much anger......... after a long and strenues rebuild, ive replaced the head....... it was fddddddddd up...... camgears..... wow were they bent the last owner musta done somethin ta do that.......... of course the valve. after a long and fustrating time ive rebuilt it totally and am trying to start her. the timeings perfict ........ that was a headache..... theres fuel flowin and its giting spark im at lost for words. she turns and turns and turns everynow n then fireing but just short bursts shooting off like a gun. please help im pullin my hair out here :banghead:

cam sensor 180 degrees out
make sure knotches aligned.