21 psi on c 16 untuned and 22" slicks
it was a while ago it has more done to it
http://media.putfile.com/slovic
a friend posted this it was his vid the 1st two runs were 15 psi 93 octane,street tires and the last run was 21 psi running c 16 w/22" slicks untuned and it was running out of race gas @ 1/2 track
http://videos.streetfire.net/search/8u/0/3105E64F-395C-414B-912A-D0634D4D0431.htm