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Old 03-27-2012, 11:32 PM   #9
rick55
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Join Date: May 2010
Location: Willetton, West Australia
Posts: 478
Default Re: Y Block Rocker Shaft Overflow Tube

It is not a good idea to restrict the flow to the rockers unless you have made modification to the centre cam bearing to increase flow up top. Ted Eaton increases flow to the rockers by machining a groove behind the centre cam bearing, but stipulates not to make the groove too deep or it will take oil from general circulation and flood the rockers. He does not mention restricting flow however.
You can check what he does by referring to yblocksforever or going to his website.
There is a lot of debate about whether it is beneficial to restrict the rocker tubes - Tim McMaster swears by it.
Regards
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