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Gravdigr 11-08-2018 02:51 PM

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.

BigV 11-10-2018 12:06 PM

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/

xoxoxoBruce 11-11-2018 12:39 PM

1 Attachment(s)
Yes.

Gravdigr 11-12-2018 03:32 PM

1 Attachment(s)
Attachment 65542

Happy Monkey 11-12-2018 03:34 PM

Paging Mike Mulligan...

Flint 11-12-2018 04:31 PM

???
 
Quote:

Originally Posted by xoxoxoBruce (Post 1018405)
5ft high roller rocker with locking box wrench, adjusting allen wrench, and feeler gage

Quote:

Originally Posted by BigV (Post 1018428)
I wonder what impels that roller to roll?

Quote:

Originally Posted by Gravdigr (Post 1018454)
Flat spot:

Quote:

Originally Posted by BigV (Post 1018607)
The whole rocker does lift, pushrod side and valve side. Huh.

Quote:

Originally Posted by xoxoxoBruce (Post 1018684)
Yes.

I like eggs \_(ツ)_/

BigV 11-12-2018 10:06 PM

Quote:

Originally Posted by Happy Monkey (Post 1018722)
Paging Mike Mulligan...

FTW~!

Happy Monkey 11-12-2018 10:58 PM

Mary Anne was a bit shorter.

BigV 11-13-2018 09:27 AM

Quote:

Originally Posted by Flint (Post 1018726)
I like eggs \_(ツ)_/

I think you learned English from a book.


Gravdigr 11-13-2018 03:12 PM

Today I learned about Mike Mulligan, and his steam shovel, Mary Anne.

xoxoxoBruce 11-13-2018 11:24 PM

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I didn't know Cummins diesel was a girly brand... :haha:

xoxoxoBruce 11-16-2018 01:09 AM

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Adjusting shaft mounted rockers, roller or not.

BigV 11-16-2018 04:13 PM

That looks familiar...

Except for the light and the clearance and the unabraded knuckles.

Gravdigr 11-17-2018 12:16 AM

The red circular arrow indicates direction of blood splatter.

xoxoxoBruce 12-20-2018 12:42 AM

1 Attachment(s)
Imagine cranking this over by hand, even with the compression release and geared crank, better hope the motor wants to start. :rolleyes:


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