I believe racing oil lacks detergent additives (this, to prevent foaming).
So it is not recommended for longer change intervals. So you would have to
change it considerably more often -- how much more often, I don't know. 500
miles? The length of a race weekend?
BTW, I just used VR1 for break-in of the new cam in my MGB. But I only left
it in for 100 miles.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 6/17/09 10:55 AM, Bob Donahue at bobmgtd@comcast.net wrote:
> Valvoline is touting it's VR1 racing oil as having plenty of Zinc (ZDDP I
> guess). Is there any down side to using this "racing oil" in my non-racing MGB
> and TD?
>
> Bob Donahue (Still Stuck in the '50s)
> Email - bobmgtd@comcast.net
> Cars: 52 MGTD - #17639
> 71 MGB - #GHN5UB254361
> Member: NEMGTR #11470
> NAMGBR # 7-3336
> Hoosier MGB Club
> Olde Octagons of Indiana
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