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won't start on 1991 Ford Mustang LX

no power, new coil pack, new fuel filter, tightened adj. on timing belt, no change , put in 4 new plugs and wires on driver side, now will not start.

Asked by for the 1991 Ford Mustang LX
Check for spark, first and foremost, if no spark then find out why.
1 more answer
You need to check fuel pressure and spark, and get back to us with the findings.
If you want to find a specialist, here's a directory link for you:
https://repairpal.com/directory?address=28117&car_brand_names=Ford