1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 98Get this manual
Quality of the image is intentionally reduced!
377 CID6.2L ENGINES
Timing Chain Deflection [LH Rotation] FLYWHEEL Runout on Face Area CYLINDER HEAD Surface Flatness (At Exhaust Manifold Deck) Surface Flatness (At Engine Block Deck) Su