Need help ASAP idk what 2 do next

[franky69c10]

Truck dont wanna start wanna know if u guys can help me out ok I have a 87 R10 Silverado with a 350 5.7 TBI , I started the truck 2 move it in the shade it ran fine b4 the tune up so I bought new plugs, wires, cap and rotor, fuel filter, oil filter and oil, so I got down drain the oil put and all the new stuff in and new fuel filter in also then I started on the plugs did the all the gaps right put the cap and rotor on next was the wires did the firing order right then I go 2 start it it won't start just keeps turning over I'm getting fuel and spark right now I'm stuck like chuck idk what 2 check out next, just wanna know if guys had this problem and how 2 fix this....
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