scrolled rocker spindles , a good idea?

for some reason i would like to fit scrolled rocker spindles to my head ( no not mine , the bike's ), fed by the oil return line (towards the oiltank )
in doing so i could use an early dominator timing cover for my commando-engined dominator

these timing covers (domi) have no provision for a pressure-fed head oiling system . But also their pressure relief valve is rather crude , it sits inside the cover and consists of a rather small spring behind a small plunger.
as i am using a 6start oilpump(commando) the pressure generated by the pump and the resistance to feed a std commando head(plain spindles) might be too high and keep this relief valve(domi) open and thus starving the head of oil

that is why i would like to use scrolled (domi)rocker spindles as these do not require any pressure to oil the rockers

question1 any one any experience that a 6start would nor OVERoil the rockers ? Could be remedied by calibrating the hole


question 2 at what pressure does the commando relief valve open and how could i test it , also when does it shut off

any thoughts ?

gerry

Unless you have a very early Commando with an earlier Atlas engine, then you should have a six start oil worm already fitted. Norton fitted these to the Atlas from 1966 on, with larger holes in timing case and larger oil feed block

Ref; “these timing covers (domi) have no provision for a pressure-fed head oiling system”
If an early domi it had a single 3 start worm drive. Latter 6 start with longer (Double) oil feed bolt.

thanks Bernard , but i have a commando engine ( disguised ) in a featherbed to make it look as a std domi
see my thread post130910.html?hilit=caferacer#p130910