On a 617 turbo engine, where is the TDC mark?

The mark between the 0 and the pin.

Then I got it right. Thanks!

Have another question: what about the TDC mark in the crank? Where would it be?

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Your TACH may have a loose connection...I was wondering why your mechanic would be dead one minute then flopping around the next... PanzerSD

i am inspired. i will replace my windsheild... with an intercooler. swedishK