<VV> ? Rocker Failure - Twice! ??

[Marc Sheridan]

Assuming the push rod holes are at the right end?

On Sat, Jun 13, 2015 at 7:42 PM, Daniel Monasterio González via
VirtualVairs <virtualvairs at corvair.org> wrote:

> IMO, it looks like lack of lubrication from the lifters to pushrods. I'd
> remove valve cover, start engine and look for oil coming from the side
> holes on pushrods.
>
> Daniel
>
> On 13/06/15 18:22, "Kent Goddard via VirtualVairs"
> <virtualvairs at corvair.org> wrote:
>
> >Looking for help!
> >Recently had my '66 140 rebuilt. Blew out #1 intake rocker arm at 500
> >miles (see photos).  Today at 600 miles
> >blew out #3 intake rocker in exact same fashion.  Appear to be overheated
> >as both are somewhat
> >gunmetal blue.  #3 exhaust has not failed
> >but appears blue.  Others on R bank look
> >OK.
> >
> >
> >
> >A few other facts: New Clarks mated grooved ball repo
> >rockers, new Clarks deep dimple lifters, reused pushrods (oil passages
> >fully
> >open), 270 cam, new PEP springs with 105# seating force (not 'bottoming
> >out' at
> >full lift), reworked heads (deep seats, milled to remove all but .010" of
> >land, mag bronze valve guides, etc.).
> >Brad Penn 30W break-in oil for 600 miles.  Just put in Brad Penn 10W-30
> >today.  No loud tappet noises.  Not over-rev'ed.
> >
> >
> >
> >I planned to drive the car to Knoxville next week but am now
> >having serious doubts.
> >
> >
> >
> >Has anyone seen or heard of anything like this before???
> >
> >
> >
> >Many thanks.
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>
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