Posted a similar post to buy or not to buy re this car. I checked it out again today . The car has been sitting for about a month or so. Started right up. I found it running rough. Also white smoke from the tailpipe with scent of antifreeze coming from engine compartment. I am assuming engine work including timing chain and tensioners, water pump, necessary gaskets and so on. What am I looking at dollar wise. I am about to bail out of this deal. Please help !!