Personally, i am not a fan of converting Cdi. I know many have been done (I have done quite a few myself), but they are very sensitive to fuel quality/viscosity and are generally extremely expensive to repair. One set of injectors can negate years of fuel savings. I know many are out there doing OK, but I also know of many CDi's that have not fared so well despite very good fuel quality. Risk:reward just not there for me.

I have seen both Tdi and Cdi cyl heads removed/engines dissembled, all had a ring of coking around edge of piston and and dirty ring lands.

Maybe water inj would help keep things clean, i have not used it on a diesel. I think it would be a great thing though, especially for non IC MB IDI!


IDI MB my favorite for greasing, just my opinion.

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82 MB 300TD, 87 Audi 4000TQ, 05 Audi A4 avant 1.8T 6spd (Wifes), 63 356C, Samurai VW 1.6TD, 71 NSU 1200C, 71 Toyota Hilux, tractors and junk