<VV> Misaligned Roller Rockers

MarK Durham 62vair at gmail.com
Wed Apr 16 00:15:11 EDT 2014


James, I have a set of Clarks roller rockers installed with 4k miles on
them. I inspected them when I completed the running valve adjustment and
found no mis alignment at all.
I am trying to visualize why a rocker would not be centered, since it
swivels on the stud and the rocker is a straight piece.
Did you accidentlly install the rockers switching intake and exhaust. They
are angled differently. That would cause the rocker to press on one side.
And possibly cause your symptoms.
Mark Durham Hauser Idaho
On Apr 15, 2014 4:55 PM, "James Cuneo" <jamescuneo at hotmail.com> wrote:

> Hello,
>
>  Any of you run into misaligned roller rockers. I have had
> this issue with two types of roller rockers. Comp Cams and Clarks.
>
> The problem is that the roller does not line up square on the
> valve stem tip. It is off to one side or the other by as much as half a
> valve
> stem width. After 10k miles, This caused the roller to slip off to the
> side of
> the valve tip and damage the valve. In the past I modified the push rod
> guide
> plate by changing the location of the slot one way or another to align the
> roller square to the tip. Compared to a stock rocker, the roller contact
> surface is much narrower.
>
> Am I missing something else?
>
> Thanks in advance,
>
>  Jim Cuneo
>
> NorCal
>
> 65 Corsa 140 turbo
>
>
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