To find the GVWR for *your* specific 1999 Ford Explorer V8, you should:
* Check the sticker on the driver's side doorjamb: This sticker lists important information about your vehicle, including the GVWR.
* Consult your owner's manual: The owner's manual will also specify the GVWR.
Without knowing the exact trim level and options, it's impossible to give a precise GVWR.