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Grüezi Dr. Sternschnuppe

I m not sure what you think by changing vacuum and valve box....
My plan was just to swap complete .307 in place of .303
and if possible not using any parts of my old and tired .303

cheers

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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded
next wish/project: w114 coupe OM603 powered