Here are some interesting figures from the IHRA Northern Nationals. There were 41 Pro Mod cars in the pits, and the average elapsed time through three rounds of qualifying for the blown cars was 6.224-seonds, while the nitrous cars weighed in with an average of 6.270. In the final 16-car field, the average E.T. for a blown car was 6.153, while the average for a bottle-fed car was 6.171.