2015 Viper under 85K

gmd2003 · 01-07-2015, 10:07 PM

Quote:

Originally Posted by alms21

Quote:

Originally Posted by gmd2003

Z06 sets VIR Grand Course production car record with lead engineer driving . 8 seconds faster than the TA's Lightning lap, and 2 seconds faster than the 918 on the same course . Peak speed is no faster than 150mph because of the downforce with the Z07 package , so it's all cornering .

You mean 2:41 not 7:41

Yep

krnnerdboy · 01-07-2015, 11:38 PM

Who was driving the 918 and ta laps? The car and driver hot shoes?

gmd2003 · 01-08-2015, 06:18 AM

Quote:

Originally Posted by krnnerdboy

Who was driving the 918 and ta laps? The car and driver hot shoes?

Yes the same car and driver hot shoe . Good non pro vs good non pro .

Revcrazy · 01-08-2015, 10:12 AM

Quote:

Originally Posted by gmd2003

Quote:

Originally Posted by Divexxtreme

Quote:

Originally Posted by gmd2003

I read the thread you linked and it has zero useful additional information . Several people passed off quotes and times from the Car and driver test as a new test .

You obviously didn't read the thread. I'll make it easier for you:

In the thread that I linked, people who had the newest issue of Corvette magazine in their hands were posting that Corvette magazine themselves quoted the same times as Car and Driver's previous test, and that nowhere in the magazine is there any mention of a 10.8 @ 133 run. That information is wrong. The car never ran that time. End of story.

Quote:

There has been one magazine test period , using a car that they mentioned was having issues .

There have been at least 9 tests of the Z06. Not one. I'm tired of doing your research for you, but once again I find myself doing it. Here is link to the 9 different tests. http://www.corvetteblogger.com/2014/...-corvette-z06/" rel="nofollow" target="_blank">http://<a href="http://www.corvetteb...vette-z06/</a>" rel="nofollow" target="_blank">http://<a href="http://<a href="http...e-z06/</a></a>

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Do you really think a car with SAE 650hp/tq will trap consistently 124mph.

The car does NOT make 650 hp when it gets hot. It loses power, and it even does it in winter! That's what timing being pulled by the ECU means. Add the fact that it weighs 3550 lbs, and that's why it's underperforming. GM has already confirmed that the ECU pulls timing (decreases power) to protect the engine, and they have also stated they aren't going to fix it. This leaves owners two choices: leave the car as is, or install an aftermarket tune which will void your warranty. It's a $100k car loaded. Neither of these options are acceptable.

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It's ok to not like the car but you know that won't be the case . For the record I don't like Chevy or Dodge particularly .

This has nothing to do with liking or disliking a brand. I owned a C7 Z51 before my Viper and had a C7 Z on order. I wanted to like it, but because of the issues that I've mentioned over and over again, it's become a sub-par vehicle to me and many, many others at this point.

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I've just seen amazing lap times out of the C7 z51 chassis at local NASA events, and being an enthusiast appreciate what they have done with it .as good as the Lt-1 is and how it responds to boost , multiple C7's are trapping 140's supercharged , I don't see how these numbers can be the norm

Because GM used a undersized roots-style blower for the Z06 which creates a massive amount of heat. Now introduce an inferior cooling system, then top it off with a ECU that pulls timing within a few minutes, and you have a car goes from 650 hp to 550'ish hp when driving it hard.

They took a wonderful C7 chassis and ruined it by adding a massive amount of weight and a horribly deigned supercharger system with a overly-sensitive ECU. Had they simply stuck with a high-powered and reliable N/A motor and kept the car light (like a Viper), it might just be the world-beater is was supposed to be.

Z06 sets VIR Grand Course production car record with lead engineer driving 2:41 seconds . 8 seconds faster than the TA's Lightning lap, and 2 seconds faster than the 918 LL on the same course . Peak speed is no faster than 150mph because of the downforce with the Z07 package , so it's all cornering .

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Just to clarify. GM was there for days and spent countless hours testing the car with a pro driver and a team of people.
The 918 time was set by a C&D journalist not a pro. Give the 918 more than a single lap, a team and a pro driver and I'm guessing the times would be in the 2:30s.
On the other side, the z06 in the hands of the same guy from C&D who drove the 918 would likely have been 2:45-2:48 or a long ways off the 918.

CirrusSR22 · 01-08-2015, 10:29 AM

^ Car and Driver spends 3 full days at VIR doing Lightning Lap, not a "single lap".

Here's the Porsche 918's lap. You can see the giant wood crate as it pulls out of the garage (0:22) that says "PCNA 918 Spyder Toolbox". So Porsche North America was there supporting those laps.

Revcrazy · 01-08-2015, 10:44 AM

Quote:

Originally Posted by CirrusSR22

^ Car and Driver spends 3 full days at VIR doing Lightning Lap, not a "single lap".

Here's the Porsche 918's lap. You can see the giant wood crate as it pulls out of the garage (0:22) that says "PCNA 918 Spyder Toolbox". So Porsche North America was there supporting those laps.

Still a huge difference between a pro and a journalist.

gmd2003 · 01-08-2015, 12:28 PM

Quote:

Originally Posted by Revcrazy

Quote:

Originally Posted by CirrusSR22

^ Car and Driver spends 3 full days at VIR doing Lightning Lap, not a "single lap".

Here's the Porsche 918's lap. You can see the giant wood crate as it pulls out of the garage (0:22) that says "PCNA 918 Spyder Toolbox". So Porsche North America was there supporting those laps.

Still a huge difference between a pro and a journalist.

Still a big difference between a pro and an engineer too lol .

turbo8765 · 01-08-2015, 08:18 PM

Quote:

Originally Posted by Revcrazy

Just to clarify. GM was there for days and spent countless hours testing the car with a pro driver and a team of people.
The 918 time was set by a C&D journalist not a pro. Give the 918 more than a single lap, a team and a pro driver and I'm guessing the times would be in the 2:30s.
On the other side, the z06 in the hands of the same guy from C&D who drove the 918 would likely have been 2:45-2:48 or a long ways off the 918.

Jim Mero is not a pro.

How do you know how many hours GM tested? Exactly how many laps did they run?

Divexxtreme · 01-19-2015, 10:52 AM

Modded C7 Z06 (661whp Mustang) vs modded Viper TA (607whp Dynojet):

Dethred · 02-01-2015, 06:07 PM

From what I've seen, the re-paved/conditioned VIR course is around 4-seconds a lap faster now, so you can automatically knock 4 seconds off the 918 difference, and throw the journalist drive in the Z06 as well, and I'd bet my house that the Z06 isn't even within 5 seconds of the 918 time.

Honestly, to release such a time on a track that has been repaved, with a more experienced/better driver, is pretty shady and poor form from GM. Not entirely unexpected though.

See5 · 02-01-2015, 07:11 PM

Quote:

Originally Posted by Dethred

From what I've seen, the re-paved/conditioned VIR course is around 4-seconds a lap faster now, so you can automatically knock 4 seconds off the 918 difference, and throw the journalist drive in the Z06 as well, and I'd bet my house that the Z06 isn't even within 5 seconds of the 918 time.

Honestly, to release such a time on a track that has been repaved, with a more experienced/better driver, is pretty shady and poor form from GM. Not entirely unexpected though.

The 918 time was recorded on the repaved track.

SYT_Shadow · 02-02-2015, 01:39 PM

This is sad

http://www.motortrend.com/roadtests/...n/viewall.html

The worst part is 'add to that the fact the engine overheats after one lap'. Really? Come on

CirrusSR22 · 02-02-2015, 01:49 PM

Quote:

Originally Posted by SYT_Shadow

This is sad

http://www.motortrend.com/roadtests/...n/viewall.html

The worst part is 'add to that the fact the engine overheats after one lap'. Really? Come on

I don't see that quote you posted in the article. Did you just make that up?

SYT_Shadow · 02-02-2015, 01:54 PM

Quote:

Originally Posted by CirrusSR22

I don't see that quote you posted in the article. Did you just make that up?

Here is the verbatim version
"Add to that the Z06's tendency to get hot after one lap and the computer's decision to reduce power to compensate, and you have a lap slower than expected.

Read more: http://www.motortrend.com/roadtests/coupes/1504_2015_chevrolet_corvette_z06_vs_2015_nissan_gt _r_nismo_comparison/track_performance.html#ixzz3QcChfH36"

01-07-2015, 11:38 PM	#178
krnnerdboy Colonel 192 Rep 2,431 Posts Drives: v10 m6 Join Date: Nov 2008 Location: so cal iTrader: (10)	Who was driving the 918 and ta laps? The car and driver hot shoes? __________________ F80 m3, 997 gt3, 14 ram ctd, f15 x5, drz400sm Gone:z4m, boss 302, c6 z06, m6,z3m
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01-08-2015, 10:29 AM	#181
CirrusSR22 Major 352 Rep 1,326 Posts Drives: BMW Join Date: Apr 2005 Location: Minnesota iTrader: (0)	^ Car and Driver spends 3 full days at VIR doing Lightning Lap, not a "single lap". Here's the Porsche 918's lap. You can see the giant wood crate as it pulls out of the garage (0:22) that says "PCNA 918 Spyder Toolbox". So Porsche North America was there supporting those laps.
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01-19-2015, 10:52 AM	#185
Divexxtreme Private First Class 9 Rep 161 Posts Drives: Viper & Macan Join Date: Dec 2011 Location: Garage iTrader: (0)	Modded C7 Z06 (661whp Mustang) vs modded Viper TA (607whp Dynojet): __________________ CURRENT: '15 Macan Turbo, '14 Viper TA (#8 of 33 in White) PAST: '07 Porsche 997TT 1054whp, '14 C7 Stingray Coupe - 7-MT, '13 GT-R 1137whp, '13 Porsche Cayenne GTS, '14 Porsche 991 GT3 (sold back to Porsche), '12 GT-R 900whp, '10 GT-R 1250whp, '10 GT-R 600hp, '03 Porsche 996 GT2 800whp, '01 Porsche 996TT 900whp, '06 Z06 722whp, '98 Supra 711whp, '01 M5, '05 M3, '03 M3 416whp
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02-01-2015, 06:07 PM	#186
Dethred New Member 8 Rep 14 Posts Drives: M4 Join Date: Jun 2014 Location: Virginia iTrader: (0)	From what I've seen, the re-paved/conditioned VIR course is around 4-seconds a lap faster now, so you can automatically knock 4 seconds off the 918 difference, and throw the journalist drive in the Z06 as well, and I'd bet my house that the Z06 isn't even within 5 seconds of the 918 time. Honestly, to release such a time on a track that has been repaved, with a more experienced/better driver, is pretty shady and poor form from GM. Not entirely unexpected though.
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02-02-2015, 01:39 PM	#188
SYT_Shadow ///M Powered for Life 11981 Rep 10,565 Posts Drives: E90M/E92M/M4GTS/M4GT4/X5M Join Date: Sep 2010 Location: Greenwich, CT iTrader: (2)	This is sad http://www.motortrend.com/roadtests/...n/viewall.html The worst part is 'add to that the fact the engine overheats after one lap'. Really? Come on
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