i tried to start my engine last night in my 90 LS to no aval. i have checked the following and would like some suggestions.i just put fuel in it, and new plugs and plug wires, new fuel pump and i check at the filter for fuel it is good there. i am getting fuel to my spark plugs. it ccan sit there try to crank it it makes the sound like it wants to start but wont hit so i would appreciate the imput.