Hi All,

I have a 272 y block from a '55 Mainline that I am having rebuilt.  I am aware of a bit of discussion about oiling problems for the rocker gear in these motors.  Interested if this is a problem and if yes how it can be overcome overcome.

Thanks and regards

Maffra

Go to the top right of this page and you will find the Search function. Enter rocker oiling mods and you will bring up all previous discusions. You should find all the info that you need plus some that you don't. 

Glen Henderson



Freedom is not Free

Letohatchee, AL

Here are some previous threads on the subject.  As Glen mentions, using the search function will bring up some more.

Center cam bearing

Grooving the center cam hole in the block

Oil Flow Diagram

Pressurized rocker shafts

Pressurized rocker shaft more

Pressurized timing chain oiling

Rocker arm overflow tubes Cons

Rocker arm overflow tubes Pros

Rocker arm overflow tube More Pros

Timing chain oil trough

Adding lifter valley holes for camshaft oiling

Drilling additional holes for oiling and/or venting

Valley holes for aiding crankcase evacuation

Lorena, Texas (South of Waco)

Thanks for your help Glenn and Ted.  Much appreciated

Regards