so i have a 190e 2.6 with a spun bearing the crank journal definately needs to be reground. the other option is to use the donor 3.0 engine I have for parts. as far as I know all the parts are the same between the two engines except for displacement. the crank should be the same so I should be able to just swap them out with no problems. as far as I know any input would help.

Thank You!

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1969 230 inline 6 dual carb 60,000 Miles 2nd Owner doesn't run right
1982 300 SD 455K - my reliable commuter car
1990 190E needs new crank shaft ran it out of oil
1996 C220 bad wiring harness