ha i wish i could tell you i forget.. but it was WAY up as to avoid detonation on juice.. so i JUST need to com eup with a good in teh middle.. im telling you it was "TUNED" by that POS a/f gauge.. what a POS im so serious.. im getting a fuel pressure gauge soonthat is something id liek to keep an eye on.. when i re check it i will tell you about pressure..