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GMC V6 and V12 Engines Engine repair and rebuilding

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Old August 4th, 2025, 04:51 PM
Pfroman Pfroman is offline
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Default Valve train rocker tube orientation

Okay- so I know this a probably an easy question for some of you but forgive me for not paying attention. I am re-assembling the valve trains on my 64 305E and (in my inattention) I did not note the orientation of the mounts. There is a notch cut into the support mounts where the tube runs through- does the notch go inboard or outboard? I just want to make sure before I torque everything down.

Thanks in advance.
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Old August 5th, 2025, 12:05 AM
James James is offline
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Default Re: Valve train rocker tube orientation

I hope this will help.
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File Type: jpg Rocker Arm Shafts.jpg (109.5 KB, Multiple views, 13 clicks)
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Old August 5th, 2025, 03:49 PM
Pfroman Pfroman is offline
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Default Re: Valve train rocker tube orientation

Thanks James-

That helps a bit. Although it does not show the slot on the mount. I did find a photo that showed the slot going toward the springs. Appreciate the help!
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