Will 2019 ZR1 beat the 2019 NA GT3 RS at the 'Ring?
04-27-2018, 06:52 PM
#101
Le Mans Master
911's using stability braking in and ediff out!?
All true. I do think I can ultimately be faster in the GT3 as I learn how a 911 handles as it’s VERY different than the Vette. I’m very experienced with Vettes, 911 not so much. That said, the way the 911 digs out of a corner is extremely impressive. Right at apex, just nail the gas and the car sits down in the back and just rockets out of the corner with the slightest bit of push that I believe is almost negated with the rear wheel steer. Also, the braking is immense even with the steel brakes. It’s much more benign that I expected as I thought it would be tail happy, but it’s way less so than the ZR1.
Anyway, just love both cars for very different reasons. The ZR1 is a keeper I’ve had since new for over 7 years and I still smile when I drive it. That said, the 9,000rpm wail of the flat six is impressive especially with a GRP center exhaust bypass. Below is a quick clip of me running down the front straight at COTA:
https://youtu.be/GQfGgH9435s
Then again, this is my ZR1 and that beautiful LS9 running down the back straight at COTA:
https://youtu.be/CiJCWia5le0
04-27-2018, 07:02 PM
#102
Drifting
I'm a former ZR1 owner and loved that car. However, comparing what a used car goes for commonly, to the new price of its competitor really means nothing. Further, the GT3 is pretty ,much the same since 2014. I do agree its still impressive on the part of the ZR1 however.
I don't agree the GT3 hasn't changed much since 2014... 4.0 motor... 9000 RPM, solid lifter... 6spd Manual... more downforce, less drag, the car is significantly faster than the .1 GT3 and .1 RS due to the sum of it's components.
Quickag, I'll be testing at COTA next Friday... not sure if you're planning on making it? 162 on the back straight is flying! What do you hit in the 500HP GT3?
Best Regards,
Dave
Last edited by Dave Schotz; 04-27-2018 at 07:03 PM.
04-27-2018, 07:07 PM
#103
Le Mans Master
I too am a former ZR1 owner, and on high HP tracks, and comparable tires a C6 ZR1 will give any car a run for it's money.
I don't agree the GT3 hasn't changed much since 2014... 4.0 motor... 9000 RPM, solid lifter... 6spd Manual... more downforce, less drag, the car is significantly faster than the .1 GT3 and .1 RS due to the sum of it's components.
Quickag, I'll be testing at COTA next Friday... not sure if you're planning on making it? 162 on the back straight is flying! What do you hit in the 500HP GT3?
Best Regards,
Dave
I don't agree the GT3 hasn't changed much since 2014... 4.0 motor... 9000 RPM, solid lifter... 6spd Manual... more downforce, less drag, the car is significantly faster than the .1 GT3 and .1 RS due to the sum of it's components.
Quickag, I'll be testing at COTA next Friday... not sure if you're planning on making it? 162 on the back straight is flying! What do you hit in the 500HP GT3?
Best Regards,
Dave
04-27-2018, 07:36 PM
#104
Pro
I think Sport Auto will deliver with a ZR1 Ring time, with which we can compare their C7 Z06 Ring time of 7:13.90 to see the delta between the two cars
Last edited by furiousox; 04-27-2018 at 07:37 PM.
04-27-2018, 08:23 PM
#108
Le Mans Master
All true. I do think I can ultimately be faster in the GT3 as I learn how a 911 handles as it’s VERY different than the Vette. I’m very experienced with Vettes, 911 not so much. That said, the way the 911 digs out of a corner is extremely impressive. Right at apex, just nail the gas and the car sits down in the back and just rockets out of the corner with the slightest bit of push that I believe is almost negated with the rear wheel steer. Also, the braking is immense even with the steel brakes. It’s much more benign that I expected as I thought it would be tail happy, but it’s way less so than the ZR1.
Anyway, just love both cars for very different reasons. The ZR1 is a keeper I’ve had since new for over 7 years and I still smile when I drive it. That said, the 9,000rpm wail of the flat six is impressive especially with a GRP center exhaust bypass. Below is a quick clip of me running down the front straight at COTA:
https://youtu.be/GQfGgH9435s
Then again, this is my ZR1 and that beautiful LS9 running down the back straight at COTA:
https://youtu.be/CiJCWia5le0
04-28-2018, 04:02 AM
#109
https://www.corvetteforum.com/forums...27-2018-a.html
This was yesterday. 4/5 track tests mentioned not a word on the Nurb. ZR1 selling 15 cars @150K a day=forget about the Nurb...in fact I am starting to thing Tadge is "dissing it" on purpose...
IMHO...
This was yesterday. 4/5 track tests mentioned not a word on the Nurb. ZR1 selling 15 cars @150K a day=forget about the Nurb...in fact I am starting to thing Tadge is "dissing it" on purpose...
IMHO...
04-28-2018, 11:21 PM
#110
Le Mans Master
Was Porsche aggressively there!? ;)
Were they crowding GM knowing their likely target time. Did VW want GM splitting their records in a budget sports car?
What do you think!
What do you think!
Last edited by johnglenntwo; 04-29-2018 at 08:44 AM.
04-28-2018, 11:57 PM
#111
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Do you run the RS front 265/35 tires being the wheels are only .5" wider and Vette's 9.5" fronts run 275/35 as well as 325/30 tires in the rear since they're 12" wide rims on the GT3 like the 505hp C6Z that runs that wheel/size tire? Always felt like Porsche must stretch smaller tires on it to help distinguish the RS in performance and the majority of that gap could be closed with a simple tire swap?
04-29-2018, 09:00 AM
#112
Le Mans Master
!?
Do you run the RS front 265/35 tires being the wheels are only .5" wider and Vette's 9.5" fronts run 275/35 as well as 325/30 tires in the rear since they're 12" wide rims on the GT3 like the 505hp C6Z that runs that wheel/size tire? Always felt like Porsche must stretch smaller tires on it to help distinguish the RS in performance and the majority of that gap could be closed with a simple tire swap?
After 60 years Porsche is finally making a stable working RWD 911 product. Their tire compound is working too, and the size is probably a secondary consideration. After all this time their setups are impeccably tuned, of course.
GM indirectly commented on the tire compound with respect to the ZR1's Ring endeaver!
PORSCHE IS ALL OVER IT! They don't need Your help!
Last edited by johnglenntwo; 04-29-2018 at 09:12 AM.
04-30-2018, 01:17 PM
#113
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The RS sucked not that long ago! The base broke through. A magazine here in the U.S. had That right.
After 60 years Porsche is finally making a stable working RWD 911 product. Their tire compound is working too, and the size is probably a secondary consideration. After all this time their setups are impeccably tuned, of course.
GM indirectly commented on the tire compound with respect to the ZR1's Ring endeaver!
PORSCHE IS ALL OVER IT! They don't need Your help!
After 60 years Porsche is finally making a stable working RWD 911 product. Their tire compound is working too, and the size is probably a secondary consideration. After all this time their setups are impeccably tuned, of course.
GM indirectly commented on the tire compound with respect to the ZR1's Ring endeaver!
PORSCHE IS ALL OVER IT! They don't need Your help!
04-30-2018, 02:12 PM
#115
Le Mans Master
Last edited by QUIKAG; 04-30-2018 at 02:12 PM.
04-30-2018, 03:19 PM
#116
https://www.roadandtrack.com/new-car...ictures-price/
Last edited by Enzom; 04-30-2018 at 03:21 PM.
04-30-2018, 06:27 PM
#117
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So what about my question of running just the 265/35 & 335/30 cup 2s on the stock GT3 wheels? Having an extra 100mm of rubber should make a difference.
Last edited by PRE-Z06; 04-30-2018 at 06:33 PM.
04-30-2018, 09:27 PM
#118
Le Mans Master
It is not recommended from what I’ve read as it won’t fit with the suspension/wheel well clearance, wheel offset, etc. That said, I’d like to know specifics too. I will ask on the Porsche board.
04-30-2018, 10:29 PM
#119
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Last edited by PRE-Z06; 04-30-2018 at 11:03 PM.
05-01-2018, 08:56 AM
#120
Le Mans Master
https://rennlist.com/forums/991-gt3-...on-rs-gt3.html
So, no go based on consensus. Doesn’t fit. They advise just doing the Hoosiers for extra grip versus wider Michelin’s.
I hadn’t seen that video of the 991. Impressive time! I haven’t run the 1.7 yet. I’ve only done the 3.1 and am down to a 2:19. Need to get it aligned and learn the car better and I bet there is another second or two out there for sure.
So, no go based on consensus. Doesn’t fit. They advise just doing the Hoosiers for extra grip versus wider Michelin’s.
I hadn’t seen that video of the 991. Impressive time! I haven’t run the 1.7 yet. I’ve only done the 3.1 and am down to a 2:19. Need to get it aligned and learn the car better and I bet there is another second or two out there for sure.
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PRE-Z06 (05-01-2018)