V8Supercars: where theyve gone wrong (not a bash)

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19 Sep 2016 20:12 #1566 by Hingo
Hingo replied the topic: V8Supercars: where theyve gone wrong (not a bash)
Production is production but if you want to limit it to stuff the average buyer can get then the current VF SS-V runs an LS3 which is the same engine as in the Corvette Z06 GT3 which has had its share of success. Those GM LS engines are renowned for being almost bulletproof.

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19 Sep 2016 23:29 #1567 by Mixer
Mixer replied the topic: V8Supercars: where theyve gone wrong (not a bash)
NZ ST used crate motors to good effect.

I don't mind the TCR series, as a production based racing series.

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20 Sep 2016 07:06 - 20 Sep 2016 07:08 #1569 by Richo
Richo replied the topic: V8Supercars: where theyve gone wrong (not a bash)

Mixer wrote: These are exoticars. They are limited production at best.

If we want to talk real production vehicles how many make the cut if we need 5000?


Hardly exoticars. The Porsche would've met that number by now as would the the M6, likewise the Corvette and Camaro. Not sure on the rest but give it time and the likes of the Audi, Mercedes, Lambo would make it. The McLaren likely not but McLaren don't sell in those numbers so you wouldn't expect that. These aren't limited production or homologation specials. They might not be as common as a Corolla or Commodore but their numbers aren't capped. If you want to go buy one off the showroom floor provided you have the money you can have one.

They are most certainly production engines albeit modified to suit the rigours of a long endurance season. I believe the BMW uses something like 80% production engine parts and the Audi motor is similar.

They're a hell of a lot more production parts in them then the GTE engines. And don't get me started on GT1 of the 2000s, thats another league altogether.
Last Edit: 20 Sep 2016 07:08 by Richo.

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21 Sep 2016 07:16 #1590 by velly4
velly4 replied the topic: V8Supercars: where theyve gone wrong (not a bash)
Can't say for the current Audi but the previous generation the engine was completely stock road going engine bar 2 things. The cams and the ECU tuning.
Also the car was about 80% the road going car. Obviously the new generation doesn't share as much with its road going cousin.

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21 Sep 2016 10:13 - 21 Sep 2016 10:36 #1592 by StueyB83
StueyB83 replied the topic: V8Supercars: where theyve gone wrong (not a bash)

velly4 wrote: Can't say for the current Audi but the previous generation the engine was completely stock road going engine bar 2 things. The cams and the ECU tuning.
Also the car was about 80% the road going car. Obviously the new generation doesn't share as much with its road going cousin.


This is true - a fair number of the past generation of cars were road cars adapted to go racing.. The Ferrari 458 GT3 base was the Challenge which in turn was a stripped out road car..

I think GT3 is slowly being steered toward filling the gap left by GT1, with GT4 now filling the original GT3 spec!

The new cars are still production based where it matters - Shell and engine.. They've just cut out the need to strip out a road car and started pulling bare shells from the factory floor and starting with that. Of course such a move allows for the easier fitment of race specific subframes front and rear, but the benefit is that such race-specific items are cheaper to replace or repair in the event of an accident. Same goes for the exterior panelling - the new rules allow for the removal of all exterior panels - now to the point of full-carbon exteriors..

The 2015+ Audi R8 LMS for example - has the following changes from the Road Car shell (Roll cage obviously excluded):

Road Chassis


Chassis Mods:
Red: Removed
Green: Replaced
Blue: New Added


R8 LMS Chassis:


The now venerable Bentley GT3 starts life as a bare shell, but much of the chassis strength comes from the exterior skin - particularly in the rear area quarter panel (monocoque design)



You can imagine how much that would cost to fix every time the car has a prang on the side or the rear - in fact we've seen it twice in the first time the Bentleys turned up to B12hr (one factory car needed to go to TAFE, the flying B car took an age to repair post race).

Of course this style of design prevents the use of full carbon panelling because the rear quarter panel is part of the chassis. I think the new rules allow for greater use of the roll cage to take the structural loads and therefore allow for the skin panels to be removed and replaced with carbon - as noted by the BMW M6 GT3.

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Last Edit: 21 Sep 2016 10:36 by StueyB83.

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21 Sep 2016 17:10 #1600 by Hingo
Hingo replied the topic: V8Supercars: where theyve gone wrong (not a bash)
Good insight Stuey. I remember at the time thinking it was odd that the damage was still clearly visible on the TAFE repaired car but now it makes sense.

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