Hi all sat hear beer in hand looking at print out from SVA close or wot test 1 co 0.00 pass hc 9 pass lambda 1.15 fail test 2 co0.08 pass hc 9 pass lambda 1.03 pass pass limit for lambda 0.97/1.03 that woz so lean and with the air bleeds well open it sucked like mad more noise than air box 4 air taps in a row still it PASSED cat now asleep on the shelf and building her strenth to go out on loan this weekend Lenny