Need to take the time to build your base fire. The bed of coals is what does the work not tires or diesel.
3 previous threads with lots of ideas and suggestions my comments are contained in them.
https://talk.newagtalk.com/forums/thread-view.asp?tid=132017
https://talk.newagtalk.com/forums/thread-view.asp?tid=357066
https://talk.newagtalk.com/forums/thread-view.asp?tid=773418