[Road-tacos]

Pulled apart my 2jzge motor and noticed some corrosion/pitting on some of the block coolant passages (See photo). Will the head gasket still seal? or will I need to have this repaired?

 

[Wreckless]

It's very normal to see that on these older engines now.

The ideal fix is to fully disassemble the shortblock and have the block surface decked to a 40RA or smoother finish. But with careful use of those rubber cleaning discs on a die grinder you can clean up the surface pretty well and get a good seal with a new headgasket.