Originally Posted By RF_Overlord
KOER FP should be 40 lbs, not 30. I've not measured it KOEO. Only time I've ever seen mine read differently was when I drove to the supermarket and the car sat in the hot sun for a while. When I came out and started it, FP was 51 lbs and as I drove home (about 4 miles) the pressure slowly dropped back to 40. I assumed this was the fuel strategy to prevent vapour lock.

Good to know. Thanks.