uhhh..which engine?
that will decide whether or not you need a head....if its the 2.0...you be fucked.
if its the 1.8...then you are slightly less fucked.
i got some pics somewhere of what happens when you dont change the tbelt in a 4g63...gotta see if i can find them. cust shat on themselves when they found out how much it was to repair it....
there is a reason that things are supposed to be done as maintinence......elswise, things break that shouldnt...