Thanks for the information from the Valvoline Motor Oil people! Very
interesting.
Jim
Jim Bauder
480-309-9525
'68 TR250 CD47L
Scottsdale, AZ
http://www.triumphowners.com/647
-----Original Message-----
From: triumphs-bounces@autox.team.net [mailto:triumphs-bounces@autox.team.net]
On Behalf Of J.C. Hassall
Sent: Friday, May 08, 2009 5:32 PM
To: Triumphs@autox.team.net
Subject: [TR] Fwd: Re: Regarding Oil (long, Pt. 1)
I sent this last night but it bumped up against the verbosity limiter; this is
part 1:
>Date: Thu, 07 May 2009 21:23:48 -0400
>To: Triumphs@autox.team.net
>From: "J.C. Hassall" <jhassall@blacksburg.net>
>Subject: Re: [TR] Regarding Oil
>
>At 01:57 PM 5/7/2009, jimmuller@rcn.com wrote:
>>David L wrote:
>> > a racing oil that is "not street legal" has a very short sump life
>> > and is intended to be used and dumped with a high frequency... The
>> > reason is; it does a very good job for a very short (by comparison)
>> > time. Amounts of ZDDP in excess of 1200 - 1300 ppm are not good
>> > for your motor... As a result of this article I chose Valvoline
>> > VR-1 20/50 Racing because of its availability and ZDDP levels in
>> > the 1200 - 1300 ppm range.
>>
>>This raises a few questions, if you please. Can we assume that
>>street-legal VR1 does have a long sump life even though the "not
>>street legal" does not? That seems to be your implication.
>>
>>Secondly, if the "not street legal" stuff is "not street legal"
>>because of its ZDDP content, how can the street-legal VR1 stuff still
>>contain ZDDP too?
>
>I posed this question to Valvoline:
>I have a flat tappet engine I'm about to break-in. Could you pls tell
>me, between VR-1 30wt and Valvoline Racing Oil ("not street legal")
>20W-50, which has the higher Zn and P content? It appears from the
>data sheets that VR-1 does, but that seems contrary to what the cam
>manufacturer says, and to reason, since more Zn would damage catalytic
>converters faster.
--
J.C. Hassall
Blacksburg VA
'63 TR4 in autox preparation
96% finished, 90% to go
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