Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Olds 455 Oil Restrictors
View Single Post
  #6 (permalink)  
Old 04-04-2009, 10:28 PM
cobalt327's Avatar
cobalt327 cobalt327 is offline
WFO
 
Last wiki edit: Intake manifold
Last journal entry: 1980 Malibu Wagon
Last photo:
Join Date: Mar 2009
Location: Atlanta
Age: 60
Posts: 5,036
Wiki Edits: 1616

Thanks: 128
Thanked 598 Times in 547 Posts
The holes feed the cam bearings then the top end. By restricting the flow of oil to the upper end, it keeps more oil in the pan.

Mondello uses them on everything from the 307 to the 455.

Don't want em? Then don't use em!
Reply With Quote