SECOND SET OF LOGS after new spark plugs. Single 1-4 log here. Changed XHP shiftpoints, reset all adaptations in MHD, checked for codes (non), went for drive to Sant. Canyton, drove about 50-60 miles round trip before logging. Logged on macarthur, about 80F ambient. Same tank of gas (2nd E mix) as the before logs and firtst set of after logs.