Spyder12-15-04, 02:14 PMYea...one of the main and difficult procedures" of doing headgaskets is removing the engine from the car...800 for an engine replacement is very low...I had estimates of almost two grand to put one in my car, so i did it myself. if the mechanic is a well established one that is pretty much guaranteed to not go out of business, then the warranty he offers is good...if they