Since we are talking inline 6's We used to race an inline 6 in Competition eliminator. Here are some pic's of all kinds of different drag cars with inlines.
And some more. The Black altered on the end belongs to Steve Ambrose Has an Allan Johnson Billet Alum Head and runs 7.70's
hey guy's,I can't remember real well,but either PrepH, or MadMaverick,or maybe both had cyl. heads I'm thinking from a Chry Hemi cut in half on the 300" six,who can tell me.