Cranks, but no start

If it ran after your tune up: Remove the Dist Cap and check it. They don't always fit over the base and seat properly. The rotor will eventually wear into the cap or break if you missed when you installed the cap. It happens. If it never ran after the tune up: Double check the new plug wires are going to the correct plug (firing order). Double check ALL the plugs are gapped to the correct distance. I have dropped one before and installed it only to have trouble because the gap closed when I dropped the plug.

The cap is fine and the spark plugs are gapped properly. The rotor is fine too. But thank you for the help!

Ok Never hurts to double check. You said you checked the fuel system. But try this. Spray some Starting Fluid under the air filter. Crank the engine. If the engine starts it is fuel related (weak pump?). if not......You say you are getting spark (so any other wires leading to Dist are hooked up)....I would only be guessing but I would start having other parts tested. Test the coil (may be weak on the primary side) or computer...Sorry I can't help any more.Good Luck.

make sure the distributor is positioned, rotated in the correct position... it may throw off the timing if not properly seated

JUst for the record It is very important that you make sure the distributor is lined up with the dot and mark on the camshaft sprocket end if it is too approximate it is possible that the module will try to get you to homebase and then fail again..according to Haynes manual. Don't just rely on camshaft and pullywheel timing marks because electronic ignition comes into play and they self adjust unless the module says otherwise...if you don't check the timing marks on the distributor driveshaft you are relying too heavily on luck which might account for it not starting after starting once. ralp