<VV> ? Rocker Failure - Twice! ??
cdj at juno.com
Sun Jun 14 01:23:08 EDT 2015
I understand Clarks got a bad batch of rockers from China. I had one do the same thing to me.
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-------- Original message --------
From: Kent Goddard via VirtualVairs <virtualvairs at corvair.org>
Date: 06/13/2015 4:22 PM (GMT-08:00)
To: virtualvairs at corvair.org
Subject: <VV> ? Rocker Failure - Twice! ??
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
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???
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