2000 Chevy S-10 push rods

i recently blew heads gaskets. i took both head off and sent them out. they replace 2 worn vavles. and all the valve springs. i put everything back toghter. and since i keep bending push rods right away. i've toqued the rocket arms different ways. last time did it by the gm book.. #1 clyneder on tdc. then to 20 Ft lbs. the same push rods keep bending.. one per clyender. on the left side is the front , front , and rear.. on right side is the front, rear, rear rods.. have asked all over and no one knows why.. please help