Ask Tadge Poll: Ending 1/7/18 - CorvetteForum - Chevrolet Corvette Forum Discussion

Ask Tadge Post your questions here for Corvette's Chief Engineer Tadge Juechter and then discuss the questions and his answers.
View Poll Results: Which question should we send to Tadge?
Spring Rates
1.09%
New Oil Fill 0W40
70.65%
Engine Cavity and Wheel Cavity Air Management
10.87%
Voters: 92. You may not vote on this poll

Ask Tadge Poll: Ending 1/7/18

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Old 12-31-2017, 11:15 AM
  #1  
jvp
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Default Ask Tadge Poll: Ending 1/7/18

Vote for which of these 4 you'd like to have Tadge answer. The winner will be submitted 1/7/18.

The questions are posted in the replies below, with links to their respective threads.
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Old 12-31-2017, 11:23 AM
  #2  
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Default C7 ZR1: Brakes

The original question is here.

jvp asked:
There's been a lot of interesting information available online since your introduction of the new C7 ZR1. One intriguing bit that caught my attention is the new brakes for the ZR1. Could you explain how they differ from what's available on today's Z07-equipped car?
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Old 12-31-2017, 11:24 AM
  #3  
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Default Spring Rates

The original question is here.

Chris Edwards asked:
Can we expand on the spring rate chart below? I'd like to know the differences in spring rates between FE1, FE2, FE3, and FE4, specifically in the exact differences in spring rates between FE2 and FE4.

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Old 12-31-2017, 11:25 AM
  #4  
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Default New Oil Fill 0W40

The original question is here.

BlueDevilZ51 asked:
Do you recommend 2014-18 C7s use the new Mobil 1 0w40 dexos2 engine oil that has been announced to be the factory oil fill for 2019s? I'd prefer to use one oil instead of having to change from 5w30 to 15w50 for track use. If you don't recommend the earlier C7 using 0w40, why?
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Old 12-31-2017, 11:27 AM
  #5  
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Default Engine Cavity and Wheel Cavity Air Management

The original question is here.

skank asked:
I've read and observed with great interest the air management advancements of the new ZR1. Could you explain the air flow paths through the new front fascia and how they are designed and engineered to move air through those internal locations. Knowing that you have already developed brake ducts to direct air to the brake discs, would directional(asymmetrical) fan style wheels help in the air flow path? I also noticed that the new ZR1 wheels are asymmetrical and therefore look different from driver side to passenger side. Would four location specific wheels be required to optimize the aero through the wheel cavity area or is it not worth the extra cost to the ZR1 budget?
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