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By Kahuna - 9 Years Ago
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The engine in my car, a 292 runs OK.
I'd like to know how to determine whether
the rocker arms are getting oil in the
proper fashion? I have not removed the
valve covers yet.
What do I need to look for?
Thanks
Jim
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By charliemccraney - 9 Years Ago
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Everything under the valve cover should be equally wet.
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By Kahuna - 9 Years Ago
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Thanks Charlie
If I remove the covers and start the engine, is there a particular area where I might see oil coming out?
As in the rocker shaft ends?
Thanks
Jim
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By Rono - 9 Years Ago
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Jim;
There should be oil coming out from under the rocker arms and lubricating the top of the valve springs and valve stems. The ends of the rocker shafts should have small plugs in them if I remember right. This allows for some pressurization in the shaft to force oil to the rockers. There is also a lubrication tube attached to the rear rocker stand on one head to lubricate the distributor drive gear and on the front rocker stand on the other head to lubricate the timing chain and gear. Some guys slightly crimp the ends of the tubes to increase the pressure to the rockers, but it's probably not really necessary on a daily street driver. On my blown stroker motor I actually tapped the ends of these tubes and installed a small set screw in which I drilled a small hole. Hope this helps.
Rono
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By charliemccraney - 9 Years Ago
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You should see oil coming out of the tubes. The tube will be at the front of the passenger's side of the engine and the back of the driver's side of the engine.
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By paul2748 - 9 Years Ago
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If you see oil coming out of the tubes at the ends but no wetness at the rocker arm/pushrod then you should remove the assembly and clean out the tubes and the holes in the rocker arms.
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By Meandean - 9 Years Ago
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Was wondering about this too. Same on a 272 ('55) I assume? Also, how messy might it be to start it with one or the other valve cover off; Will it spray oil all over or does it stay well within the head/rocker area?
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By MoonShadow - 9 Years Ago
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There will just be a dribble down each rocker onto the spring. And a bit of oil collecting at the bottom of the head. No big spray like a scrub, just oil in the right place and amount.
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By Meandean - 9 Years Ago
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MoonShadow (8/7/2016)
There will just be a dribble down each rocker onto the spring. And a bit of oil collecting at the bottom of the head. No big spray like a scrub, just oil in the right place and amount.
Thanks.
I just remember on the 289/302s I've worked on in the past, we had a old valve cover with the top chopped out so we could adjust the (hydraulic) lifters. If you didn't have that then yes, you had a huge mess. Do one side then move over to the other side.
I have almost no experience with the Scrubbies.
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By Ted - 9 Years Ago
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At idle, the Y engines with the valve covers off will not be too messy to observe the oil coming from the rocker arms. As mentioned, it will be just a dribble coming from each rocker at the shaft and the upper rocker oil holes that puts oil to the top of the valve and pushrod. If you speed the engine up, it will sling oil over the edge of the valve cover rail assuming the rockers are indeed receiving oil.
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By Kahuna - 9 Years Ago
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Thanks so much everyone
That is great information. Wow
Jim
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By Half-dude - 9 Years Ago
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Rpeek on Youtube did a ton of videos walking you through as he did a lot of essential repairs on his 55 Ford. He's a great guy, and he has a video showing the rockers oiling check it out. If you're like me, seeing it is better then reading about it:
https://youtu.be/6dJjwfLQjZ8?t=1m48s
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