Gen7?

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Rollo75

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Dec 1, 2018
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No.
Is Gen 7 seriously considering the V8 Supercars regs? Are they trying to reinvent the wheel?

mustang-supercar-t.jpg-w.jpg


The regs in Australia call for 5L engines (305.1187 cid) and the racing Chev engine works out to be 305, while the Ford is a 302 Windsor derivative. Also, because the rear wing is higher up. cars follow each other nose to tail. There is already plans by Walkinshaw-Andretti to bring the Camaro to Oz, and the Mustang as pictured here was DJR Penske.

Already that gives you Mustang, Buick Regal, Nissan Altima as exisitng cars; I can imagine that Roger Penske will probably want to rent the IP as well.

Coyote is mostly a horrible engine to go racing with; so I imagine that FoMoCo America would run with the tried and tested Windsor.
 
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Rollo75

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No.
The problem with that is that parity becomes a massive bunfight. NASCAR had similar issues in the early 1980s when the rules were rewritten (?) for mid-size cars to be fiddled with.
Do you try to run closer to the road car and risk a bunfight, or run closer to a spec series which is kind of what exists now sort of.

Either way, I think that the rule makers do a pretty good juggling job.
 
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Rollo75

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No.
Also, Toyota's UZ engines ended in 2013 with the Crown Majesta.
Toyota make a 2UR whic appears in Lexii but that's a DOHC engine (which was used in Grand Am).
 

Rollo75

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No.
  • Toyota UZ
  • GM Small-Block 305
  • Ford Windsor 302
  • Ford Coyote/Miami
  • Nissan VK50
  • M-B M159
  • Mopar 302
  • Hyundai Tau

At a quick tally, that is 8 engines in production which could meet 306cid. (11 makes?)
 

Rollo75

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Dec 1, 2018
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No.
48390

Can we have the people who decide these things, give us this?

CoTF with its idiotic looking rear wing was awful. This comes directly out of NASCAR's own history and has the added benefit of putting the wing surface way above the front splitters of the cars that follow. Also, the two end plates would act as giant fins, which would stabilize the car in a straight line.
 

Rollo75

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Dec 1, 2018
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No.
From this month's edition of Motorsport magazine:

https://www.motorsportmagazine.com/news/nascar/gen-7-nascar-needs-big-overhaul
“Maybe as important or more important are changes to the body styling to make the car look even more like the street car – not that we expect or want it to be exactly the street car.
“As excited as we are with how our new Mustang looks on track this year, we think that some rules changes can be made to allow the race cars to even more closely represent the street cars.”

- Mark Rushbrook, as quoted

Hey Mark, we've already built the solution for you. Penske already builds these things. Walkinshaw Andretti racing is pushing for the Camaro.
 
S

SuperMemeMan

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Personally I think lower profile tires would not be able to handle the high speeds and other stresses of oval racing. Also lmao at the idea of having the body look just like the street cars, have fun with no bump drafting.
 

Rollo75

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Dec 1, 2018
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No.
Personally I think lower profile tires would not be able to handle the high speeds and other stresses of oval racing. Also lmao at the idea of having the body look just like the street cars, have fun with no bump drafting.

Cars follow each other within inches of each other in the V8 Supercars -

The tyres they run are 280/45 R17, which works our to be 680mm diameter. The stresses which pass through the wall of those things are pretty immense.
I would expect that someone in the wind tunnel would be able to do testing for lots of cars following each other. Engineers are pretty cluey people and should be able to fix that. I expect that the embarrassment of the CoT rear wing wouldn't be repeated.
 

Rollo75

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Dec 1, 2018
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No.
NASCAR already learned that lesson through the 1980s, when after stretching and smushing bodies, it was something of a nonsense.

I think that if there is going to be a compromise, then FIA GT3 has the answer of Balance Of Performance, and NASCAR already has closely regulated body tolerances. These are good solutions.
 

Rollo75

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Dec 1, 2018
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No.
From Autosport:
The introduction of hybrid power to NASCAR is "a matter of when, not if" according to Ford Performance's motorsport boss Mark Rushbrook.
The series looks to develop a next-generation powertrain from the 2022 season, with plans to introduce a new-specification of car - labelled the Gen-7 - for the 2021 season.


From Speedcafe:
Supercars is planning to introduce an evolution of its current technical regulations next year as it works towards a 2021 rollout of its Next Gen plans.
...
Discussions have included changes to the control chassis in a bid to entice more marques and studies into the use of hybrid technology, while the category has actively assessed templates used by the likes of DTM, NASCAR and the British Touring Car Championship.


- Andretti Autosport owns a significant stake in Walkinshaw Andretti Racing; Penske owns a chunk of DJR Penske.
- Both the Supercars and NASCAR are looking at a rollout of the next-gen c.2021/22
- Both will probably use the Mustang and Camaro
- Both are exploring V8 Hybrid options; around a 306cid drivetrain

I think that rules convergence is on the cars because someone has to fabricate all of this equipment. I think that the aero packages would be different but that would mostly be a cosmetic difference to do with the splitter and decklid assemblies. The cars could in theory be identical everywhere else.
 
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Rollo75

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Dec 1, 2018
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No.
There was a chap from Honda on ABC Radio this morning, saying that if NASCAR and the Supercars both went with Hybrid technology, they could have a 5L V8 and drivetrain based on their 3.7L V6 produced in less than a month.

3,664 / 6 = 610.66
610.66 x 8 = 4885cc

I'd imagine that they bore and stroke that.

Honda in NASCAR?
 

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