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Old 08-10-2021   #1
Erik
 
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Default Was a ZR-1 Ever Tested at 180mph?

Did an independent magazine test ever manage to get a ZR-1 to 180mph? I remember a bunch of tests at 175+ but don't recall seeing anyone get one up to an actual, life begins at, 180mph. Does anyone know of one?
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Last edited by Erik; 08-10-2021 at 10:37 PM.
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Old 08-10-2021   #2
HAWAIIZR-1
 
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Here you go.

https://youtu.be/X4AwBohyxNI


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Old 08-10-2021   #3
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Great question. That translates to 181 mph. Just how stock was the car?
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Old 08-11-2021   #4
Erik
 
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Quote:
Originally Posted by HAWAIIZR-1 View Post
Here you go.

https://youtu.be/X4AwBohyxNI


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One of my favourite videos, but not exactly what I meant. Proper top speed testing is an average of two runs, one in either direction. Only a few car magazines bother to do it right.
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"All Corvettes are red. The rest are mistakes." - John Heinricy
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Old 08-11-2021   #5
Erik
 
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Quote:
Originally Posted by Vetman View Post
Great question. That translates to 181 mph. Just how stock was the car?
Just minor mods, iirc. Headers and exhaust, a bit of porting work. Just a ZR-1 uncorked.
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Old 08-11-2021   #6
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Appeared to be still gaining speed had there been more road.
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Old 08-11-2021   #7
HAWAIIZR-1
 
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Default Was a ZR-1 Ever Tested at 180mph?

Quote:
Originally Posted by Erik View Post
One of my favourite videos, but not exactly what I meant. Proper top speed testing is an average of two runs, one in either direction. Only a few car magazines bother to do it right.


Sorry, I missed the main part of independent magazine test. [emoji38] Hopefully one of the diehard old timers will chime in. Where is Hib when you need him?


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Old 08-11-2021   #8
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Quote:
Originally Posted by Vetman View Post
Great question. That translates to 181 mph. Just how stock was the car?

181 mph is 291+ km/h

At what engine rpm?
Which Transmission?
Which Differential?
I can calculate rolling rear tire diameters.

Last edited by Dynomite; 08-11-2021 at 03:59 AM.
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Old 08-11-2021   #9
Erik
 
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Quote:
Originally Posted by Dynomite View Post
181 mph is 291+ km/h

At what engine rpm?
Which Transmission?
Which Differential?
I can calculate rolling rear tire diameters.
I'm taking nothing away from him and the achievement of his run, but not a stock ZR-1 and not a proper, 2 way top speed test.
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Old 08-11-2021   #10
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Default Re: Was a ZR-1 Ever Tested at 180mph?

Id have to go pull the articles, I think Corvette Fever did it, Automobile magazine, and Hot Rod magazine. One of the articles mentioned that cars were often tested on a track that didnt allow a true top speed due to nature of banking, straightaway length and also temperatures.
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