I have a 98 chevy p/u 5.7 I replaced the battery and starter but still won't start

Perform tests in the link below:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-11.html#post2123675

There are several possibilities like lack of fuel, spark or compression. Check the spark from the coil before considering the distributor.