Drop member question

[BaggedRanger]

Well I have a original 75 2wd Blazer that the frame has been hit once and they tried to fix it before I bought it. Well they didn't do that great of a job and so I decided to buy a new frame to do the bag job. Plus doing the work off the body should make it a little easier..

Well here is the question.

I have a Suicide Doors drop member and it doesn't seem to directly match the bolts like it would for the 2wd frame. Does anyone with experience know if new holes have to be drilled or is there a trick to bolt the cross member to the 4wd frame?

Thanks in advance..