Posted by Dan (NH) [172.68.54.159] on Tuesday, September 06, 2016 at 15:40:06 :
In Reply to: Re: Interesting 318 Poly accessory posted by Kaegi [108.162.245.16] on Saturday, September 03, 2016 at 21:52:06 :
The early ones anyway.
It was a felt pad about quarter of an inch thick that would ride on the top of the rocker arms. The oil was pumped up and spread out over the pad. This later changed to a metal trough dripping the oil through holes an eventually the pivot centers were drilled with oil passages machined in.