The best year mechanically is early to mid 92. They have the 6 bolt engine (changed to 7-bolt with weaker rods during that year) 4-bolt rear end (much more durable than the 90-91 rear ends. I dont know the exact time they changed during the year but its pretty easy to tell the difference if you get under the car. Go to www.vfaq.com and there are pics of the difference between the oil pans the 6/7 bolt engines have. BTW the term 6/7 bolt engine refers to the # of bolts that bolt the flywheel to the crank. As for the rear end all 92s have the 4 bolt rear end.