I wouldn't expect the tappets to be that loose either, when they are operating correctly they need to be clamped in a vice to compress them. Well worth changing them ASAP as it's not unknown for loose tappets to cause the rocker arm to get displaced which can cause significant damage, and tappets are fairly inexpensive anyway. INA parts should be fine.
The number 1 bearing locates the camshaft in the axial plane. I agree with Thrumbleux about the number two bearing cap alignment. The caps never seem to exactly align with the lower part of the bearing in this plane, which is ok but that does look like an unusual amount of misalignment. Are all the bearing caps correctly located according to the numbers on them i.e. number one next to the timing chain, then two, three and four going from right to left?
Since the cam will need to come out to change the tappets you can take a closer look at this whilst the bearing caps are off.
The number 1 bearing locates the camshaft in the axial plane. I agree with Thrumbleux about the number two bearing cap alignment. The caps never seem to exactly align with the lower part of the bearing in this plane, which is ok but that does look like an unusual amount of misalignment. Are all the bearing caps correctly located according to the numbers on them i.e. number one next to the timing chain, then two, three and four going from right to left?
Since the cam will need to come out to change the tappets you can take a closer look at this whilst the bearing caps are off.
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