if you have a compression gauge, check the compression, but since you know that you have no spark only thing I can think of without looking at the car myself is the distributor and ignition control module, I would go with the distributor, modules don't go bad right away they usually give intermittent no starts since this is not the case the distributor remains, you have a spare? They can run expensive

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1994 Ford Taurus SHO
1999 Kawasaki Ninja ZX9R