k member spacer?

#1. I have a fox body mustang wanted to no is it ok to run a spacer to get the motor to clear k member/pan to get it in and will it mess with fron suspension was told it was ok 1 1/2 to 2 ?
#2 I have to car on stands and level it it best to have motor at 0 with the car or do you want a few degrees back like 3 1/2 to 4 ?
  I have top bell bolt 2" below the last rib on the fire wall it it to low ? 

I now have it a a 2" spacer and the motor at zero degrees and the car level  
need to no be for I weld in mid plate and motor plate? 
Any help would be appreciated Thanks

Please help out if you can

Keep at it Dan. We're getting it done!

Yeah that's for all the help just a little header fitting to go everything else is done and look good