I Have A 72 That Looks Jusk Like Yours But Its Yellow, And A Lexan W/shield That Droped Some Big Weight. What Motor Are You Running, And 1/8 Mi. Times. I'm Running A 360 High 6.9s 7.0 Pump Gas No Nitus Used . Though The Veh Has A 210 Shot On It ,ran A 6.4 With It It Thanks Gary