Built an 81 720 with welded diff. RB20DET motor. Did the 1/4 in 13.35. Because of the quality of fuel here, detonation is a big problem. Times could have been better if we had the fuel we have now.Project Trucker wrote:hay pezi720 have you been to a 1/4 mile track at all? has any one else taken a 720 truck to a track ?