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BROCK AND THE VL

By late 1986 the Holden Dealer Team had a much greater variety of cars to offer than five years previously. In 1981 there had been one model – the VC HDT Commodore, that Brock-modded SL/E that effectively started the legend. The closest 1986 equivalent to the HDT Commodore was the VL Calais Director.
It was not necessary, however, to buy a Calais to obtain Brock modifications. At the bottom end of the price scale was the Corsa, an HDT package available on either SL or Berina. The basic HDT Corsa pack included the following items, HDT gas pressure shock absorbers, HDT gas pressure strut inserts, HDT front and rear springs, HDT stabiliser bars, HDT 15 x 7 alloy wheels, Bridgestone 225/60s and that vital HDT modification emblem/build number. Externally the VL acquired a front air dam, a sports grill, a rear boot lid spoiler and HDT decals, while the interior was upgraded with an HDT/Momo wheel and gear knob (manual only of course). Then there was the item that by late 1986 was creating considerable conflict between GM-H and the HDT, namely the ‘energy polariser’.

Without offering any option on this device, it – that is, Brock’s endorsement of it – was proving more than a trifle embarrassing to GM-H as Christmas 1986 approached. Brock had been GM-H’s most influential and charismatic ambassador for more than half a decade. Then suddenly, he’s invented an "energy polariser’, declared its fantastic capabilities and watched GM-H react at first with "no comments" then later with an official rejection of the claims.

The HDT press release described the ‘polariser’ briefly as "a new development, which improves overall vehicle efficiency, ride comfort and stability." Among the claims made by Peter Brock for his invention were that it enabled a car tuned for super petrol to run ULP with no ill effects whatsoever. Such a claim is in defiance of all normal logic, but Brock insisted on the truth of it. He admitted that this was "way out thinking" but it was clear that his faith was beyond question or challenge. On the other hand, GM-H dismissed it in these terms; "as far as the energy polariser is concerned GM-H can see no technical merit in it and cannot endorse its use". Peter Brock’s clash with GM-H peaked in February ’87, with the announcement that the long-standing relationship with HDT and GM-H was over.

But back to the VL Brockmobiles. The Corsa variants offered no engine modifications over the standard (turbo or non-turbo) Commodores. The price of the kit was $4050 on a 3.0-litre Ei, SL or Berlina and $5200 on the turbo versions.

Moving a little further up the price scale, was the Calais LE. Once again there were no engine fiddles. The price was $4500 on the turbo variant. The Turbo LE had the new HDT Momo 16-inch star-pattern alloy wheels as standard equipment, shod with Bridgestone 205/55VR16 RE71 tyres. This combination accounted for most of that $2650 price difference.

Essentially the LE pack did for a Calais what the Corsa did for SL and Belina. In fact it was the LE that was Brock’s initial foray into VL modification.

The Calais Director was the full-on luxury V8, described in the HDT press release as "an entirely new concept in luxury motoring, tailored to the needs of today’s demands".

Without delving too far into what "the needs of today’s demands" might mean, it is fair to say that the VL Director did take the Commodore into new realms. For starters it was far more expensive than any previous Brockmobile and it wasn’t too difficult to stich together a $50,000 price tag. But for what the car provided, even this sum looked reasonable.

The newer aspect of the Director’s specifications was the option of independent rear suspension for the first time. Peter Brock and his team based their design heavily on the Opel IRS, but made it considerably stronger. Obviously, all the usual Bilsteins, re-rated coils and HDT stabiliser were part of the deal. The Director’s wheels and tyres were sensational by any standards. The HDT Momo star-pattern alloys came in get-serious 16 x 8 size and were shod with 245/45VR16 Bridgestone’s. Heavy company, indeed! Peter Brock’s energy polariser was also standard equipment.

Other Director options apart from the independent rear suspension included sports-style interior, electric sunroof, shadow-tone colour co-ordinated bumpers and deep-section side mouldings. Unlike the six-cylinder VLs, the V8 Calais received the Brock imprint on its motor, although – with the advent of ULP – the changes didn’t produce so dramatic an improvement as on the VK model. Where the VK Director could comfortably crack the 15 seconds barrier for the standing quarter, 15.6 or 15.7 was the norm for a VL. The norm? Well, it must be said that Brockmobiles continued to vary considerably in their performance. Certainly some VLs would have been good for 15.2, but others would have been battling to break 16 seconds.

The magic of these cars had to do with their capacity to load effortlessly and comfortably between far-flung capital cities. The five-speed HDT Borg-Warner manual gearbox provided a 0.73 overdrive and therefore a long-legged stride made maximum use of the engine’s abundant torque. The Calais Director offered all the plushness expected of an executive sedan with sports car-beating acceleration.

The Brock organisation offered a choice of eight colours on the VL Director. Colour coding of those stylish Momo wheels was also available. Heading up the blood red, red-blooded VL Group A, everything was looking roses. Or apples, if you prefer…

Commodore Crazy

Article reproduced courtesy of Sean Walker -Commodore Crazy - FPC Magazines.
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