Hey mercedes people! Just a few questions on my 300sd injectors. Im in the process of restoring this 82 beauty that ive christened "Edna". Im new to Mercedes and diesel but ive been working on cars for 20ish years.

Ive pulled my injectors for cleaning, new nozzles and to hopefully fix a rough idle issue. I was pretty shocked to see the state of them. The lower half of all of them was carboned up so badly that i had to drive the old nozzles out. The previous owner said the the car had been run on WVO which i can only assume is what caused this. The question i have is should i even try to clean these or just find some donor injectors to rebuild? Also, i dont plan on running wvo is there anything else in the car the could have been gummed up by this.

I should mention that i have done a diesel purge and besides the rough idle the car was running pretty well on the old injectors.

Thanks for any help.