Hi I'm doing the headgasket job on my BP. And I need some advice before the re-assembling When I lifted the head I notice that on the piston #4 there's some small dent on top like if somebody punched it with a flat screwdriver or so. and on the head side too . wondering what to do with that . Anybody knows if I can run with a piston like that or not. and maybe dumb question but what all the black means ...too rich or too lean
the block
Zoom on piston #4 (look on top and bottom of the piston)
on the head
the block
Zoom on piston #4 (look on top and bottom of the piston)
on the head
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