<VV> Quaker State "Defy" Oil

[Mark Durham]

Bryan, just to. Clear up any misunderstanding, you are not saying those
three cams wear on this new on the market oil, are you? You are just
saying you know three people that had cam failures, Right?
The cam failures I have read about normally end up being a grind issue
more than a lack of lubrication, most people are aware that they need
to use the zinc paste prelube, etc, but galling happens anyway because
of an inconsistent finish on the cam or lifter faces that we cannot see
and the additional prelube is incapable of compensating for. Mark Durham

Sent from my Windows Phone
From: Bryan Blackwell
Sent: 7/11/2012 18:41
To: jvhroberts at aol.com
Cc: virtualvairs at corvair.org
Subject: Re: <VV> Quaker State "Defy" Oil
I personally know three people that lost a cam in a new engine, in all
cases this was not their first build.  Granted it may not matter in an
already broken in engine, but since I prefer synth in the first place
it's a pretty easy choice.

--Bryan

On Jul 11, 2012, at 4:40 PM, jvhroberts at aol.com wrote:

> OK, got that. And thanks for the replies.
>
> But, are we really seeing all that many tappet to cam failures? I remember as a kid, SBCs tore these up periodically then, not so sure it's any worse now.
>
> John Roberts
>

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