Help! Hedders for a Duster W/1 7/8" tubes on S.B. With R/T heads??

when i put my headers on,the passenger side bolted right up...on the drivers side i could not get all the bolts to start,i had to start a bolt andstick a phillips screwdriver in a bolt hole and pry it up,and put a bolt in the hole next to it,,after i got two or three in the others went together,,,hope this helps:snakeman: