Here's a site with 10 bits of advice.
This site has 15 tips on being a better writer.
I've offered dozens of suggestions since last season, and I'll continue to do so.
Most important: Edit yourself, and write tight. Do those two things well, and you'll definitely improve your writing.
More EDITOR@WORK blog entries
Blog entries from The Auto Racing Journal
(a book of great stories about the Intimidator)
(the book of great NASCAR stories)
More blog entries by Tom Gillispie
Anecdotes by Tom Gillispie