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Roller rocker
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1960fury
Posted 2021-10-31 6:14 PM (#616457)
Subject: Roller rocker



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Posts: 7112
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Location: northern germany
I finally decided to replace the OE stamped steel rockers with adjustable ones, since the OE units deleloped a little play after about 370K miles. Of course I can't leave them untouched and already cut down unnecessry length of the adjusting nut and bolt and reduced about 1/3 of the weight.

The roller rockers seem to be a nice design and the bearings and push rods are oil pressurized, which I really like. However, the oil hole that lubricates the roller/valve end is at the very top. My question is, is there enough oil pressure to direct/spray the oil to inside of the valve cover? Sure, oil will reach the rollers, but I would prefer it directed directly to the rollers. I could modifie it, it is not hard but time consuming, so I tought I ask. Anybody knows the answer?

Looks like I'm blocked from posting pictures now. Somebody didn't like the "Himsstler"?

Edited by 1960fury 2021-10-31 8:57 PM
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1960fury
Posted 2021-11-04 6:59 PM (#616572 - in reply to #616457)
Subject: RE: Roller rocker



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Posts: 7112
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Location: northern germany
.



(a1rocker1.6ds.jpg)



Attachments
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Attachments a1rocker1.6ds.jpg (74KB - 59 downloads)
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57chizler
Posted 2021-11-05 12:59 PM (#616581 - in reply to #616572)
Subject: RE: Roller rocker



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That top hole is pretty typical for roller rockers, I don't think it's intended to spray but rather to ooze some oil that will run down to the roller tips.
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1960fury
Posted 2021-11-06 10:21 AM (#616595 - in reply to #616457)
Subject: Re: Roller rocker



Expert 5K+

Posts: 7112
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Location: northern germany
Okay, thanks, John. I will try that way and might run it w/o the valve covers to check, but probably once installed, I will leave it that way.
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mikes2nd
Posted 2021-11-06 11:08 AM (#616596 - in reply to #616457)
Subject: Re: Roller rocker


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yes its a weep ooze hole, it comes down onto that rolller, surface tension will help also, hard to say if a high pressure will squirt or spray. As long as a oil pressure hole lines up on the shaft and your good to go.
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1960fury
Posted 2021-11-06 11:46 AM (#616598 - in reply to #616596)
Subject: Re: Roller rocker



Expert 5K+

Posts: 7112
50002000100
Location: northern germany
mikes2nd - 2021-11-06 11:08 AM

yes its a weep ooze hole, it comes down onto that rolller, surface tension will help also, hard to say if a high pressure will squirt or spray. As long as a oil pressure hole lines up on the shaft and your good to go.


The shaft will remain OE since the bearing surface of the roller rocker does not touch the bearing surface of the OE rockers that "worked" there for 62 years. So the oil hole is at the bottom.
The roller rocker is so to speak "hollow" in the center with bearings only at the ends, so oil pressure will reach the 2 oil holes in the rocker, one for the roller tip on top one for the pushrod cup.
The rocker bearing surface is now pressurized and alot larger than that of the stamped steel rockers, which I really like, also the push rod cup is now pressurized. the only thing that is questionable is the the roller and the roller pin. We will see. This was a cheap set, but it looks good.

One adjustment stud (cup) was machined incorrectly and to my surprise the Ebay vendor send one replacement immediatly, without hassle. All holes are not deburred, so these need a little work, but for that money it is okay.
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1960fury
Posted 2021-11-06 9:19 PM (#616607 - in reply to #616598)
Subject: Re: Roller rocker



Expert 5K+

Posts: 7112
50002000100
Location: northern germany
1960fury - 2021-11-06 11:46 AM

mikes2nd - 2021-11-06 11:08 AM

yes its a weep ooze hole, it comes down onto that rolller, surface tension will help also, hard to say if a high pressure will squirt or spray. As long as a oil pressure hole lines up on the shaft and your good to go.


The shaft will remain OE since the bearing surface of the roller rocker does not touch the bearing surface of the OE rockers that "worked" there for 62 years. So the oil hole is at the bottom.
The roller rocker is so to speak "hollow" in the center with bearings only at the ends, so oil pressure will reach the 2 oil holes in the rocker, one for the roller tip on top one for the pushrod cup.
The rocker bearing surface is now pressurized and alot larger than that of the stamped steel rockers, which I really like, also the push rod cup is now pressurized. the only thing that is questionable is the the roller and the roller pin. We will see. This was a cheap set, but it looks good.

One adjustment stud (cup) was machined incorrectly and to my surprise the Ebay vendor send one replacement immediatly, without hassle. All holes are not deburred, so these need a little work, but for that money it is okay.


A picture says more than thousand words:



(rocker1b.jpg)



(rocker1a.jpg)



Attachments
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Attachments rocker1b.jpg (44KB - 60 downloads)
Attachments rocker1a.jpg (54KB - 61 downloads)
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