I Have A 72 Dart That Run 6.90s In 1/8 Mi. 1.46 60 Ft. Times, About 6 Weeks Ago I Broke A Rear U Jt. On Staring Line. When I Bought Car I Didn't Ck U Jts, They Were Jts, With Greece Zerks, They Are Hollow, And Weeker Than Sold Jts, I Put A New Joint In Rear And Didn't Ck Trans For Damage Went...