For a show quality vehicle I strongly recommend a custom fit cover. They are made to order to fit the specific dimensions of your 1948 Ford F-Series truck. I have included a link to the options for you. You just need to use the drop down menu on the link to choose the correct configuration.
For the universal fit cover # CA10015 it actually measures 187 inches long overall so going with a longer cover would be best. The additional length of the longer cover will also help with the width... view full answer...