i have an 02 gt, gonna be puttin headers on in the next few weeks, now my car is only a few years old so im not toooo concerned about this but has anyone ever cracked a bolt inside their block during a header install???? i just dont want this to happen and, then be SOL should i be worried??? 

So I unbolted the rest of the bolts and spun the plenum around untill it came off
............jj