Valvoline VR1 Synthetic Racing Oil has plenty of the ZDDP stuff for
flat tappet engines. I can't locate the spec sheet at the moment,
but the blurb from their website says:
"High zinc/phosphorus for extreme anti-wear, including flat tappets"
I use the Dino juice version of the VR1 for breakin and then the
synthetic version for racing. Bearings and cam have looked perfect
with that combination.
My understanding is that the Mobil 1 synthetic sold in the USA
followed the EPA recommendations and reduced their ZDDP content,
killing some race motors and giving synthetic a bad name.
Brad Penn, Redline and Joe Gibbs oils have plenty of ZDDP too - and
are more expensive than Valvoline.
- Tony Drews
At 03:10 PM 1/5/2010, Rocky Entriken wrote:
>I've not heard that. My engine builder (who's also a Spitfire racer)
>swears by the synthetic. He's who got me on it. I was using
>Valvoline Racing (mineral), then DuraBlend. He got me to full
>synthetic. But I still have Valvoline Racing on the shelf for break-ins.
>
>--rocky
>
>----- Original Message ----- From: "Jim Gray" <toodamnfunky@comcast.net>
>To: "'Rocky Entriken'" <rocky@spitfire4.com>; "'Randall'"
><tr3driver@ca.rr.com>; "''Friends of Triumph'Triumph'" <fot@autox.team.net>
>Sent: Monday, January 04, 2010 10:28 PM
>Subject: RE: [Fot] Oil weights?
>
>
>>I thought true synthetics we
>>bad for our Flat Tappet Motors
>>?
>>Jim G
>>
>>-----Original Message-----
>>From:
>>fot-bounces@autox.team.net
>>[mailto:fot-bounces@autox.team
>> > .net] On Behalf Of Rocky
>>Entriken
>>Sent: Monday, January 04, 2010
>>7:24 PM
>>To: Randall; ''Friends of
>>Triumph'Triumph'
>>Subject: Re: [Fot] Oil
>>weights?
>>
>>Reasonable point.
>>
>>Of course, a race is not an
>>economy run so you don't
>>really care about fuel
>>mileage other than having
>>enough to reach the checker.
>>Power loss is another
>>thing altogether. Depends on
>>your priorities, I guess. If I
>>had the budget
>>that my primary focus was on
>>winning, then presumably I
>>could afford to go
>>through a few engines, or
>>rebuilds, to find the optimum
>>oiling scheme. But
>>as Clay Reggazoni said: "To
>>win is nice; to race is
>>enough." I just want to
>>get out there, race with
>>whomever is about my speed,
>>and have fun driving my
>>car. It's important to keep it
>>in one piece (you get
>>aggressive with me in a
>>corner, I'll probably chicken
>>out and let ya have it) so I
>>can race it again
>>next time.
>>
>>--Rocky
>>
>>----- Original Message ----- From: "Randall"
>><tr3driver@ca.rr.com>
>>To: "''Friends of
>>Triumph'Triumph'"
>><fot@autox.team.net>
>>Sent: Monday, January 04, 2010
>>6:29 PM
>>Subject: Re: [Fot] Oil
>>weights?
>>
>>
>>>>20-50 vs. 10-40? If 20-50
>>is overkill, so what?
>>>
>>>What about the power lost
>>pumping that heavier oil
>>around? That's the
>>>whole
>>>reason for the push to
>>thinner oils for modern cars,
>>they help improve
>>>fuel
>>>mileage by reducing losses
>>within the motor.
>>>
>>>-- Randall
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