why do you say its safer??? we have a duster here (brother in law) that has the 8 3/4 axles drilled out from 4" to 4.5 and the car runs 6.20's in the 1/8mile at over 100 with 1.30 60' and no problems..moser drills them out and if it wasnt safe im sure they wouldnt do it..im just asking not pokin at anybody..:nike: