need help i have a da ls swap in my 91 si.When go to start it,it back fires but wont turn over can anyone help me out. i was drive down the road and it just stalled at the light.I Try to restart it it would start if i press the gas barely now it just back fires. help please

 

did you check your timing?

 

yup id check timing

 

Check timing belt alignment and that Dizzy.