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Old 11-08-2018, 02:51 PM   #451
Gravdigr
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Flat spot:

You'd still have the roller 'axle' (acting like a hinge, for lack of a more eloquent description) which would still be better (less friction) than a regular rocker arm.

It doesn't 'roll' all the way round like the wheel it looks like, I don't think.
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Old 11-10-2018, 12:06 PM   #452
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Ok Grav, I don't take issue with anything you said.

I still have questions about that mockup in the picture. I'm having a hard time understanding how that configuration of the adjusting screw and the locking nut can affect the valve lash/clearance. How can they adjust anything while at the fulcrum of the rocker? Is the WHOLE rocker being lifted or lowered? And wouldn't that simultaneously change the clearance on the pushrod side?

It looks ... I don't understand how it works. Here's a picture that has similar looking roller tip rockers but with the adjustment NOT at the fulcrum/pivot point, but closer to/over the pushrod end. THIS one I comprehend.

https://www.chevyhardcore.com/tech-s...sh-like-a-pro/

...

I read some more, I guess I did intuit it correctly, I just haven't worked on one myself. The whole rocker does lift, pushrod side and valve side. Huh.



http://garage.grumpysperformance.com...ng-valves.196/
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Old 11-11-2018, 12:39 PM   #453
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Yes.
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Old 11-12-2018, 03:32 PM   #454
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Name:  marionsteamshovelinnewyork.jpg
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Old 11-12-2018, 03:34 PM   #455
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Paging Mike Mulligan...
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Old 11-12-2018, 04:31 PM   #456
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???

Quote:
Originally Posted by xoxoxoBruce View Post
5ft high roller rocker with locking box wrench, adjusting allen wrench, and feeler gage
Quote:
Originally Posted by BigV View Post
I wonder what impels that roller to roll?
Quote:
Originally Posted by Gravdigr View Post
Flat spot:
Quote:
Originally Posted by BigV View Post
The whole rocker does lift, pushrod side and valve side. Huh.
Quote:
Originally Posted by xoxoxoBruce View Post
Yes.
I like eggs \_(ツ)_/
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Old 11-12-2018, 10:06 PM   #457
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Quote:
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Paging Mike Mulligan...
FTW~!
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Old 11-12-2018, 10:58 PM   #458
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Mary Anne was a bit shorter.
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Old 11-13-2018, 09:27 AM   #459
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Quote:
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I like eggs \_(ツ)_/
I think you learned English from a book.

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Old 11-13-2018, 03:12 PM   #460
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Today I learned about Mike Mulligan, and his steam shovel, Mary Anne.
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Old 11-13-2018, 11:24 PM   #461
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I didn't know Cummins diesel was a girly brand...
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Old 11-16-2018, 01:09 AM   #462
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Adjusting shaft mounted rockers, roller or not.
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Old 11-16-2018, 04:13 PM   #463
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That looks familiar...

Except for the light and the clearance and the unabraded knuckles.
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Old 11-17-2018, 12:16 AM   #464
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The red circular arrow indicates direction of blood splatter.
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