I compared that to what is listed at the Brad Penn site. They have .15 zinc,
.14 phosphorus in all but the 0W-30. The VR1 is .14 zinc and.13 phosphorus
for all viscocities. I think both these numbers are good enough for flat
tappet cam use and for the difference in price and ease of purchase I'll
stick with the VR1.
----- Original Message -----
From: "Greg & Alison Blake" <ablake2@austin.rr.com>
To: "''Friends of Triumph' Triumph'" <fot@autox.team.net>
Sent: Tuesday, January 05, 2010 12:05 AM
Subject: Re: [Fot] Oil weights?
> >From the data available on the Valvoline website, there does not appear
> to be a difference in zinc and phosphorus content between grades of the
> VR1 SM oil. All are listed at 0.14/0.13 (don't know the units). Follow
> this link for a product data sheet.
>
> http://www.valvoline.com/pdf/VR-1_Racing_Motor_Oil.pdf
>
> I could not find the same level of detail on their synthetic racing oil.
>
> -----Original Message-----
> From: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] On
> Behalf Of Kramer, Robert
> Sent: Monday, January 04, 2010 12:45 PM
> To: ''Friends of Triumph' Triumph'
> Subject: Re: [Fot] Oil weights?
>
> I could be wrong but I think that the 20-50W oils like Valvoline VR1
> have
> added the zinc back in, but formulations graded less than 20W have not.
> I
> think that once they took the zinc out, the engines damage began to
> occur,
> word got out and eventually sales got hurt. Since the 20-50W oils are
> to be
> used in late model cars that could have emissions components damaged the
> oil
> companies probably saw the light and put the zinc back in. I'd make sure
> that
> any 5 or 10w oil had the zinc or I'd add it. The cheap solution in VR1,
> as it
> now costs the same as most good oils, $3.99 a quart.
>
> Bob Kramer
> Sales Manager
> RDO Equipment Company
> 16415 N. IH 35
> Pflugerville, TX 78660
> 512-272-4141
>
> -----Original Message-----
> From: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] On
> Behalf
> Of MadMarx
> Sent: Monday, January 04, 2010 11:48 AM
> To: ''Friends of Triumph' Triumph'
> Subject: Re: [Fot] Oil weights?
>
> Take a Mobil 5w50 oil. It is doing okay.
>
> Cheers
> Chris
>
> -----Urspr|ngliche Nachricht-----
> Von: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] Im
> Auftrag von Scott Janzen
> Gesendet: Montag, 4. Januar 2010 17:37
> An: 'Friends of Triumph' Triumph
> Betreff: [Fot] Oil weights?
>
> I've been running 20-50 Brad Penn (high zinc) for the last season, but
> as I'm about to order some for the upcoming season, I'm wondering
> whether the engine really needs 20-50, as opposed to 10-40. Used
> exclusively for racing, engine with fairly tight bearing clearances
> (when assembled).
>
> Thoughts?
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