AMEN! Suggested the same thing to Steve G. about a year and a half ago and he couldn't have been happier that he did. One of the most straight-forward engines you can work on, once you get past the timing quirk.First opel 1981 said:If I were you I would attempt the rebuild. Opel engines are pretty simple to work on. If you do it yourself, you will be very familiar with the most important component of your car. If something ever goes bad, you will know what and where it is.
Just my opinion