My project car is sitting on driveway for five years and this guy from video below is building engines from anything. Credits goes to guy behind Youtube channel Lets Learn Something.
In the video about how to turn car compressor into working engine he used following tools:
Digital Caliper 0-200mm 0.01mm
0-200mm Measure Scale Ruler
Grinding Head Bit Tool Set
Drillpro DIY Belt Sander