Engine cranks but won’t start

Over the course of four days I replaced the following on my 318. Voltage regulator, new spark plugs and a MSD blaster coil. The car cranks but will not fire up. I am thinking I did something wrong when hooking the coil up but everything looks good. Sounds fine when cranking but will not engage. All the spark plug wire boots are tight as well. What are the steps to solve this problem?

Thanks for any info.
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