Sorry, I meant Peter Brock.
On Mar 9, 2008, at 7:46 PM, Greg Lunker Hilyer wrote:
> From what I understand, Datsun 510's & 240Z's first got by [SCCA]
> under the premise that their chin spoilers were actually brake
> cooling enhancers and dealer sales brochures marketed them that way.
> Brock Yates or Peter Brock? One for Myth Busters?
> Greg "Lunker" Hilyer - Still contemplating thrust washers
> TR4 #314
> Albuquerque NM
>
> On Mar 9, 2008, at 8:06 PM, Bill Babcock wrote:
>
>> I never saw an air dam on a car until about 1972. As I recall it
>> was a
>> Brock Yates deal, and everyone thought he was nuts. There were some
>> rudimentary wings and spoilers early on, but air dams are a late
>> development of the aero age that started in the late sixties. Long
>> after people thought about wings they figured out that the air under
>> the car was important too.
>>
>> On Mar 9, 2008, at 6:55 PM, jwoesvra@aol.com wrote:
>>
>>> What puzzles me about authenticity is the ban by nearly all vintage
>>> sanctioning bodies on front air dams. It appears from historic
>>> photos that
>>> most production race cars in the 60s had them, and in all manner of
>>> "styles",
>>> from integrally designed molded fiberglass units to a square-cut
>>> sheet of
>>> aluminum tacked onto the face of the cowl with pop rivets.
>>> Steve P.
>>>
>>>
>>>
>>>
>>>
>>> Steve,
>>>
>>> I believe that you have some misconceptions about dates and time
>>> lines which
>>> are a vital part ofB the Vintage experience. Virtually all Vintage
>>> organizations have time lines that have historic precedents which
>>> must be
>>> respected.
>>>
>>> Rudimentary spoilers first appeared on production cars in 1969 with
>>> the BRE
>>> "spook". SCCA actually addressed spoilers in PCS about 1970.
>>> Spoilers always
>>> had to be below and between the spindle centerlines. Only in the
>>> late
>>> seventies did the actualB airdams become permitted.
>>>
>>> My point is the that the statement "most cars of 60's had them" is
>>> incorrect.
>>>
>>> You may very well see spoilers and airdams of the sorts you describe
>>> in
>>> photos. Rarely are those photos dated and it is easy for a layman to
>>> conclude
>>> that an 1963 MGB with an airdam is correct for Vintage Racing. That
>>> would be
>>> true in the post 1976 period. However, most Vintage organizations
>>> expect MGB's
>>> to be prepared to the pre-1972 or even pre-1967 periods.B
>>>
>>> As you can see, seemingly insignificant details can be significant
>>> in the eyes
>>> of a historian.B
>>>
>>> All Vintage organizations have the right and authority to specify
>>> time lines
>>> and periods of eligibility.
>>>
>>> If you are a year, month or even day past the time line, you don't
>>> fit the
>>> template. If you want to race MGBs, GT6s or TR6s with air dams, you
>>> are
>>> outside the acceptance envelope of most of the traditional
>>> organizations. If
>>> you want to use such a device, that is fine, just don't expect to to
>>> be racing
>>> against cars that are correctly prepared for the sixtiesB period.
>>>
>>> This may seem arbitrary, and it actually is in a sense. However, if
>>> you wish
>>> to participate in this arena you must respect the standards as they
>>> are
>>> defined and history dictates.
>>>
>>> Jack Woehrle
>>>
>>> SVRA Technical Director
>>> _______________________________________________
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>>
>> Bill Babcock
>> Babcock & Jenkins
>> Billb@bnj.com
>> 503.936.7660
>> www.bnj.com
>> _______________________________________________
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>>
>> Fot mailing list
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>> You are subscribed as lunkercars@earthlink.net
>
Bill Babcock
Babcock & Jenkins
Billb@bnj.com
503.936.7660
www.bnj.com
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