suspension change question

[naborneo]

I am droping in a V8 into my car, but it is the last thing on the list (probely not for another 6-9 months). First i'm doing a body kit then I want to do suspension kit. I am putting the 8.8 rear end on my car but I am also adding lowering springs and upper and lower control arms. Now my question is, the lowering springs and control arms have 2 different sets one for '94-98 3.8' and '94-98 4.6' now i was just going to buy the sets for the 4.6, will it be alright if I have the sets for the 4.6 if I'm driving with the 3.8 motor in there right now? Will it make a difference, even if at this moment I don't have the 4.6 in there? So just to make sure its clear, is it alright to put lowering spring for 94-98 4.6L and upper and lower control arms for 94-98 4.6L on a '96 3.8L? or should I just wait to do the suspension to when I put the engine in?