Mike some M130 cylinder head info in the BBBs: BBB Late p. 00-0/16 misc. (head torque info), BBB late p. 00-3/1 (valve adjustment) BBB late, p. 00-9/3 (off set camshaft keys), BBB late p. 01-0/3 (M130 cylinder head critical dimensions), BBB late p. 01-0/4, p. 01-0/7, p. 01-0/8 (misc. M130 cyl. head valve guide info)., BBB late p. 01-9, p. 01-11/1 through p. 01-13/1 (M130 cylinder head changes), BBB late p. 05-0/1 through p. 05-0/3 ( M130 cyl head valve, valve spring, chain tensioner info), BBB late p. 05-1/1 through 05/3/1 (M130 cyl head valve seals, chain tensioner, rocker arms, BBB late p. 05-9 (cyl head rocker arms M130 changes). BBB late p. 18-7/1 (M130 cyl head modifications). Some discussion on vertical and horizontal timing gears can be found in the early BBB p. 18-6/3.
It is interesting that I do not see a set by step cylinder head removal and installation procedure for any injected 6 cly engine in either of the two BBBs! Most likely covered in an earlier BBB on a different engine. ? Keep your membership up to date, this site fills in the information gap!