As far as I know, you could update so long as the club you race with has a
cut-off that would take in the date it was updated. For instance, CVAR has a
wings and slicks group that takes in Formula cars made through 1980. If the
conversion was made prior to 1981, then it is OK. However, it would not be
legal for a club that cut off their cars prior to the date that the conversion
took place.
Harold Pace
CVAR
In a message dated 1/20/99 9:06:43 PM, rmccurdy@quicklink.com wrote:
>Well, this roller-rocker thing has me thinking about an issue that may
>be unique to the class I run in but, hey, I'm new at this so what do I
>know? I'm one of the few guys out there running an air-cooled
>supervee. First a little (potentially inaccurate) history. My car,
>built in 74, was fitted with a 1600 cc engine. The SCCA later updated
>that to 1700. A few years later in the series, the water-cooled rabbit
>engine replaced the weezer bringing a ton more horsepower. A lot of
>the air-cooled cars were updated to water-cooled but still proved
>uncompetitive against the newer purpose built chassis. So now, back to
>the present day. My conversations with the engine builders tells me
>that in order to achieve the HP reported in the original air-cooled
>engine, I basically have to build a grenade. Since my car is always
>lumped in with the Atlantics, Indy cars and F1's, every pony counts. My
>question is: since a lot of these cars (not my car) were converted to
>water-cooled engine late in their pro careers, would it be vintage
>anathema for me to convert it now. I know where I can find an original,
>supplied by Carl Haas conversion kit so originality, non period issues
>are, well, not the issue.
>
>Just wanted to see what everybody's opinion is on this.
>
>Robert McCurdy
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