In Susan's Spitfire race car we only use Brad Penn 20w50 oil. Lots of ZDDP
and seems to hold up well. You have to special order it but I feel it's
well worth the cost.
Just my $0.02
Brad
On Mon, May 14, 2012 at 11:58 AM, Frank Fisher <yellowtr3@yahoo.com> wrote:
> iv been using Valvoline "racing" oil, right off the shelf of my local
> autozone.
> it is formulated the old way and specifically says its good for flat
> tappets and has ZDDP.
> it is 50 weight, but as i live in California's desert
> heat and the motor gets hot real quick, iv had no problems with the
> viscosity.
> Frank
>
> From: TeriAnn J. Wakeman <tjwakeman@gmail.com>
> To:
> triumphs@autox.team.net
> Sent: Monday, May 14, 2012 6:20 AM
> Subject: Re: [TR]
> Interesting Cam Condition
>
> On 5/14/12 5:12 AM, Peter Arakelian wrote:
> > There
> is a ZDDP assembly paste available, too...
> > Also, the pitting is a clear sign
> of breakdown as the matrix that is formed in
> > hardening breaks down from lack
> of ZDDP.
> >
> Pitting. That is why the cams and lifters were replaced in both
> of my cars year before last. I discovered high quality name brand oil is
> only
> good for roller cams. Since then I always read the label and don't buy it
> unless it mentions that it is formulated to protect flat lifter cams. Now
> I'm
> getting name brand oil stating "not legal for street use" which means I
> have
> to stay after those leaks to keep oil off the street.;)
>
> And I have picked up
> oils who's brands I hardly recognize if at all that are clearly more
> expensive
> than normal name brand stuff just because it says it has ZDDP added for
> flat
> tappet engines.
>
> My pocket book does not want to take the hit of replacing
> cams, lifters, + timing chain, gears & tensioner (because they wear & this
> is
> the best time to replace them) on two cars at the same time for a long
> time.
> Teriann
>
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