Jul 28, 2020 · While waiting for engine block machine shop work, I started to look at the rocker assembly to determine what parts can be used as is and what parts need to be replaced or refurbished. The rocker assembly is for a new large valve street ported head by Hap.

View and Download MG MGB workshop manual online. MGB automobile pdf manual download.

May 4, 2015 · Loosen the adjuster and slide the rocker sideways to an unworn section of the shaft to see if the looseness then is gone. If so, you may only need a new rocker shaft. Anyway, BP NW sells good parts to the best of my knowledge. Or you can contact some of the parts suppliers here & see what they have. Was this post helpful or interesting?

Jul 14, 2018 · Learn how to replace the rocker shaft on an MGB GT with this YouTube tutorial.

To check for wear on the shaft push the rocker arm aside and run a finger along the bottom side of the shaft. If you feel a significant step in the bottom of the shaft, it is worn and should be replaced.

Mar 28, 2000 · Machine your existing rocker shaft support pedestals (4) by removing 0.025" from both sides of each pedestal. Assemble the rocker shaft and roller rockers in the normal manner then, without the pushrods installed, install the assembly to the cylinder head.

Working on my 1972 MGB 18V engine cylinder head. Overall things are going OK although the slop that I previously found in the rocker arms is proving to be an issue. I pulled the old rocker assembly apart which was easy enough and discovered pretty major wear.

Installing rocker gear. By Neil Wakeman The procedure for installing rocker gear is clearly explained in the workshop manual (Page C 26). If you don’t have a manual, here is the relevant section: There’s two ways to install the rocker shaft so …

Sep 27, 2010 · After doing a complete rebuild to my B engine I’m still getting a noise from my rocker assembly. Inspection has shown that the rocker shaft is worn. I know, I really should have replaced the rocker shaft as part of the rebuild, but it’s too late to look back.

The rocker shaft is 0.001-0.002 undersize, so the rocker arm should then be a nice working slip fit on the shaft. The last task is to plug the hole in the adjuster end of the arm. For this I use a #4-40 binding head machine screw.