Warms my heart to see these clean and tidy Buick engines. Good for another half million kays now.

My book gives 30-40Nm for valve lifter guide retainer.

From the VN Series Service Manual Vol. 3 : "Rocker arm pivot bolt toque specification: 32-44Nm."

It also asks for Loctite 243 to threads.

No mention of bolt size, but my edition is August '88, so assume 3/8.

Amazing build thread by the way.