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Wednesday, 10 January 2018 17:18

Power on par: Engine parity in Supercars

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How will Supercars manage engine parity when twin-turbo V6s go up against V8 engines from 2018? We quizzed key figures in pitlane to find out in V8X Supercar Magazine issue #102.

Issue #102 is on sale now in stores with the digital edition available in the official V8X app (in the App Store and Google Play), online at DigitalEdition.V8XMagazine.com.au and in the Magzter app store.

CLICK HERE for more information on issue #102.

Without a doubt the biggest challenge to the next generation of Supercars is parity and competitiveness between different format engines. But, in saying that, we are not breaking new ground or telling you something you didn't already know. While you can get the same power with either cubic capacity or with a boost (turbo), you can't get it in the same way.

Turbos have lag, the time taken for the exhaust gas to build up enough pressure to unleash hell and fury. They don’t have as much engine braking either, but that is much of a muchness in racing cars. And they can be a bit more muffled – remember, we are taking gas from the exhaust.

The Holden Sandman, which is the mule for Holden’s new twin-turbo V6 engine, was given a run at Bathurst with Greg Murphy at the wheel. And all the work the team put into the sound of the engine has worked just fine. When Murph put his foot down, it came to life.

But good or bad sound it will count for nothing if the engine is either not competitive or if it is dominant. There is also, as it stands today, no guarantee that all Holden runners will make the switch since there is nothing other than Holden compelling them to do so. There remains plenty of unknowns as we move towards the 2019 full-time debut of the engine.

The sport’s technical director, David Stuart, is confident he and his team have all the pieces in place to prevent either of the above outcomes.

“It may appear to be a complex process but the philosophy’s pretty simple really,” he says.

“The twin-turbo V6 will have to go through the same homologation process as the current V8 engines that are used in the category.

“We’ve been working on this now for 18 months to two years. We’ve had our own engine running for the past eight or nine months, so we’ve been doing a lot of development work on the dyno and we’ve also been working closely with Red Bull Holden Racing Team on their program.

“So, essentially, the homologation process is as the engine is presented, it’s run on the dyno. It is a reasonably simple operation to mimic the current Supercar power curve with a twin-turbo V6, and we’ve done that ourselves. We’ve also got various methods of engine control in place with the new engine-management system that Motec has developed for us.”

CLICK HERE to purchase issue #102 to read the full feature.

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Event Date
Superloop Adelaide 500 February 20-23
Melbourne 400 March 12-15
Tyrepower Tasmania Super400  April 3-5
ITM Auckland Super400 April 24-26
PIRTEK Perth SuperNight May 15-17
Truck Assist Winton Super400 June 5-7
Watpac Townsville 400 June 26-28
BetEasy Darwin Triple Crown July 17-19
Sydney SuperNight August 28-30
OTR The Bend 500 September 18-20
Supercheap Auto Bathurst 1000 October 8-11
Vodafone Gold Coast 600 Oct. 30-Nov. 1
Penrite Oil Sandown Super400  November 20-22
Coates Hire Newcastle 500 December 4-6
   
   

 

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1. Scott McLaughlin
288  
2. Jamie Whincup
261 -27
3. Chaz Mostert
234 -54
4. Cameron Waters
231 -57
5. Will Davison
231 -57
6. David Reynolds
210 -78
7. Lee Holdsworth
171 -117
8. Mark Winterbottom
162 -126
9. Fabian Coulthard
162 -126
10. Rick Kelly
150 -138

Full championship standings