Cylinder head refurbishment, part 6

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Over the past couple of days I've disassembled and cleaned the hydraulic valve lifters, in total it's taken about 4 hours!  They weren't in bad shape but it's nice to be thorough, and they all have the same 'springiness' now.  There's a tiny valve inside, comprising of a ball bearing and a minute spring, which could easily be jammed by gummy oil.  Very good article on cleaning the lifters here.

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