6.1 cylinder head bolt tq specs

jimjimjimmy said

can you not use a bore scope to have a look first before removeing the head

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Im not sure..never used one.

Would a bore scope give me the clearance in 1/1000ths?

FWIW....... The reason for head removal is to remove the hyd lifter and use one modified to a "solid" lifter so we can measure the p-v accurately.