Street Cruser
The cylinder head being used is a hydraulic head and the camshaft is the stock 87 core reground, so the rear journal has the groove for full time rocker oiling.
I had previously added a brass bushing to the outside diameter of the rear rocker hold down bolt to restrict the oil flow up to the rockers. That worked.
With the .200 thick B3 spacers installed I needed longer rocker shaft hold down bolts.
I made the rear bolt by welding a steel bushing to a standard 5/16 inch grade 8 bolt then grinding the manufactured collar down to the same diameter as a special OE bolt collar.
I then installed the brass oil control bushing that I had used earlier.
It is understood that with the mechanical rocker shaft being used the special rear bolt no longer serves as a mistake proof device to get the rocker shaft set in the correct orientation.
I use the collar on the special bolt to position the brass oil flow restrictor so that is why I duplicated it on a longer bolt.
The cylinder head being used is a hydraulic head and the camshaft is the stock 87 core reground, so the rear journal has the groove for full time rocker oiling.
I had previously added a brass bushing to the outside diameter of the rear rocker hold down bolt to restrict the oil flow up to the rockers. That worked.
With the .200 thick B3 spacers installed I needed longer rocker shaft hold down bolts.
I made the rear bolt by welding a steel bushing to a standard 5/16 inch grade 8 bolt then grinding the manufactured collar down to the same diameter as a special OE bolt collar.
I then installed the brass oil control bushing that I had used earlier.
It is understood that with the mechanical rocker shaft being used the special rear bolt no longer serves as a mistake proof device to get the rocker shaft set in the correct orientation.
I use the collar on the special bolt to position the brass oil flow restrictor so that is why I duplicated it on a longer bolt.