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Author Topic: TFS Heads Rocker Shaft Oil Feed.  (Read 188 times)

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petew

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TFS Heads Rocker Shaft Oil Feed.
« on: July 17, 2026, 11:56:23 AM »
The oil feeds in my TFS heads that supply the rocker shafts measure about .171 . Is there any need to restrict them further  or can they be left as is ?
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blykins

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Re: TFS Heads Rocker Shaft Oil Feed.
« Reply #1 on: July 17, 2026, 11:59:44 AM »
Restrict them if you're oiling through the heads.

The hole is appropriately sized for a 12-24 tap.  Run a tap down the hole about 1/2" or so, then get yourself some short set screws, drill an .080" hole in them and screw them in.
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Brent Lykins
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petew

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Re: TFS Heads Rocker Shaft Oil Feed.
« Reply #2 on: July 17, 2026, 12:34:09 PM »
Again , thank you
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