Yep, super easy to work on, cheap ass parts, cheap ass replacement engines
no gay timing belts and monster torque ANNND guys have reported veryy comparable mileage to the ol' original m20.
Bullet proof bottom endz ftw.
ONLY thing you may have to do if the motor has not been maintained and regular valve adjustments have not been done is a cyl head refresh and a new cam; all cheap!
Edit: another problem you may have is the ability to tame your right foot!