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Video celebrating 30 years of most popular classic race series in NZ
http://forum.triumphdolomite.co.uk/viewtopic.php?f=3&t=37052
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Author:  gmsclassics [Sat Jan 01, 2022 12:00 am ]
Post subject:  Video celebrating 30 years of most popular classic race series in NZ

Thought this might be of interest. With the series being based on handicapped starts it made for very close and exciting racing, hence its popularity. I raced my maple Sprint from 2000, starting as a stock standard car (with over 200,00km on the clock), to 2017 by which time it was very highly modified, but all in period.

Filmed mostly at Hampton Downs, but also footage at Pukekohe and Taupo circuits.

https://youtu.be/LMFoDobEceg

Geoff

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Author:  xvivalve [Sat Jan 01, 2022 10:04 pm ]
Post subject:  Re: Video celebrating 30 years of most popular classic race series in NZ

Thanks for sharing that Geoff, it looked a lot of fun.

Author:  Philip Larmour [Tue Jun 07, 2022 7:33 am ]
Post subject:  Re: Video celebrating 30 years of most popular classic race series in NZ

Looks like a great series Geoff
What modifications are allowed to keep the cars within their period performance potential?
The Improved Production category in Australia is very liberal with allowed modifications- so we end up with Escorts using Duratec and Zetec engines, which makes the Dolomites no longer competitive!

Philip

Author:  gmsclassics [Sat Jun 11, 2022 8:26 am ]
Post subject:  Re: Video celebrating 30 years of most popular classic race series in NZ

Good to hear from you Philip

The series I ran in over the 18 years was ‘ERC’ (Europeans Racing Classics). This was the most popular classic series and due to numbers was split into two speed groups so as not to exceed grid limits. All cars were basically to Motorsport NZ T&C regs (Thoroughbred and Classic) groups 1 & 2. This is for classics prior to 1978, although run over models past this date were allowed. Certain T&C group 3 & 4 cars, ’78 onwards but over 20 years old, were accepted on a case by case basis.

Modifications were limited to those used in period, both in the car model in question, or to others produced in that period. Engines were restricted to those used by the specific manufacturer in that model and timeframe. Therefore I couldn’t put a Rover V8 in the Sprint, but could be used in a TR7. Wheels could only be 1” bigger and tyres had to be road legal. Neither could I widen the track with wheel arches, nor modify suspension type nor mounting points. Shocks and springs could be changed. I was allowed to use other brake components for safety reasons, but I found bigger vented rotors on a 77 BMW that could be modified, along with period type Willwood calipers. Cars were also expected to look like the original road version, hence chrome bumpers, lights and interiors (excepting roll cages and race front seats).

No-one really seemed to mind these limitations as at each meeting, after the practice and a scratch race, the main parts of the event were the following two handicapped races with staggered starts, aiming to get all cars to the finish line together! Handicaps were worked out on the basis of, for each car, at each circuit, the fastest time previously set. There were also a number of series rules around driving standards, such as not deliberately blocking overtaking cars, especially on corners.

This ‘formula’ produced very close exciting racing, both for drivers and spectators. Incidents were relatives rare. While points were awarded, this was very much second to having fun. So much so that in the latter years cumulative results during the season were no longer even published!

Geoff

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